CN105847454A - Signal processing method and device - Google Patents

Signal processing method and device Download PDF

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Publication number
CN105847454A
CN105847454A CN201610249283.2A CN201610249283A CN105847454A CN 105847454 A CN105847454 A CN 105847454A CN 201610249283 A CN201610249283 A CN 201610249283A CN 105847454 A CN105847454 A CN 105847454A
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China
Prior art keywords
signal
analog control
analogue
control signal
digital
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Chinese (zh)
Inventor
赵庆
关彬
高超
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LeTV Holding Beijing Co Ltd
LeTV Mobile Intelligent Information Technology Beijing Co Ltd
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LeTV Holding Beijing Co Ltd
LeTV Mobile Intelligent Information Technology Beijing Co Ltd
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Priority to CN201610249283.2A priority Critical patent/CN105847454A/en
Publication of CN105847454A publication Critical patent/CN105847454A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/382—Information transfer, e.g. on bus using universal interface adapter
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4063—Device-to-bus coupling

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)

Abstract

An embodiment of the invention provides a signal processing method and a signal processing device. The signal processing method comprises the steps of: acquiring a first signal and a second signal; and superposing the first signal and the second signal to generate a superposed signal, and outputting the signals through the same physical port, wherein the superposed signal comprises a portion corresponding to the first signal and/or a portion corresponding to the second signal which can be extracted. By adopting the signal processing method and the signal processing device, data signals can be transmitted on multiplexing pins while transmitting control signals.

Description

Signal processing method and device
Technical field
The present embodiments relate to electronics or communication technical field, particularly relate to a kind of signal processing side Method and device.
Background technology
Along with the development of interface communication technology, all kinds of interface compatibilities are increasingly stronger, and limited draws Foot must take the form of multiplexing could meet more functional requirement, e.g., control signal and data Signal can share identical pin.
Inventor, during realizing the present invention, finds that prior art has following defects that and works as quilt When the pin of multiplexing is used for transmitting data signal, control signal then cannot be transmitted.
Summary of the invention
The embodiment of the present invention provides a kind of signal processing method and device, for the pin in multiplexing Also can transmission of control signals while transmission data signal.
For reaching above-mentioned purpose, the invention provides a kind of signal processing method, including: obtain the One signal and secondary signal；Described first signal and described secondary signal are overlapped, generate folded Plus signal, and being exported by Same Physical port, wherein, in described superposed signal, including can With the part corresponding with described first signal being extracted and/or the portion corresponding with described secondary signal Point.
Present invention also offers another kind of signal processing method, including: obtain folding in physical port Plus signal, described superposed signal includes the first signal section and secondary signal part；From described folded In plus signal, extract described first signal section and/or secondary signal part；To described first signal Part and/or described secondary signal part perform subsequent treatment.
Present invention also offers a kind of signal processing apparatus, including: the first acquisition module, it is used for obtaining Take the first signal and secondary signal；Laminating module, for by described first signal and described second letter Number it is overlapped, generates superposed signal；Output module, for passing through same by described superposed signal Physical port exports；Wherein, in described superposed signal, including can be extracted with described Part that one signal is corresponding and/or the part corresponding with described secondary signal.
Present invention also offers another kind of signal processing apparatus, including: the second acquisition module, it is used for Obtaining the superposed signal in physical port, described superposed signal includes the first signal section and second Signal section；Extraction module, for from described superposed signal, extracts described first signal section And/or secondary signal part；Subsequent treatment module, for described first signal section and/or described Secondary signal part performs subsequent treatment.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the present invention Technological means, and can be practiced according to the content of description, and the present invention's be upper in order to allow State and can become apparent with other objects, features and advantages, below especially exemplified by the concrete reality of the present invention Execute mode.
Accompanying drawing explanation
The method flow diagram of first embodiment of signal processing method that Fig. 1 provides for the present invention；
First method of second embodiment of signal processing method that Fig. 2 provides for the present invention Flow chart；
Second method of second embodiment of signal processing method that Fig. 3 provides for the present invention Flow chart；
3rd method of second embodiment of signal processing method that Fig. 4 provides for the present invention Flow chart；
First method of the 3rd embodiment of signal processing method that Fig. 5 provides for the present invention Flow chart；
Second method of the 3rd embodiment of signal processing method that Fig. 6 provides for the present invention Flow chart；
3rd method of the 3rd embodiment of signal processing method that Fig. 7 provides for the present invention Flow chart；
First method of the 4th embodiment of signal processing method that Fig. 8 provides for the present invention Flow chart；
Second method of the 4th embodiment of signal processing method that Fig. 9 provides for the present invention Flow chart；
3rd method of the 4th embodiment of signal processing method that Figure 10 provides for the present invention Flow chart；
The structural representation of first embodiment of signal processing apparatus that Figure 11 provides for the present invention Figure；
The structural representation of second embodiment of signal processing apparatus that Figure 12 provides for the present invention Figure；
The structural representation of the 3rd embodiment of signal processing apparatus that Figure 13 provides for the present invention Figure；
The signal processing apparatus from equipment side that Figure 14 provides for the present invention and peripheral equipment thereof Circuit structure diagram；
A kind of particular circuit configurations figure of the signal processing apparatus that Figure 15 provides for the present invention.
Description of reference numerals:
111-the first acquisition module, 112-laminating module, 113-output module, 1121-simulate superposition list Unit, 1122-numbers pile up unit, 131-the second acquisition module, 132-extraction module, the follow-up place of 133- Reason module, U1-TYPE-C port, U2-signal processing apparatus, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10-resistance；C1, C2, C4, C5-electric capacity.
Detailed description of the invention
It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although it is attached Figure shows the exemplary embodiment of the disclosure, it being understood, however, that can be with various shapes Formula realizes the disclosure and should not limited by embodiments set forth here.On the contrary, it is provided that these Embodiment is able to be best understood from the disclosure, and can be by the scope of the present disclosure Complete conveys to those skilled in the art.
Embodiment one
The method flow diagram of first embodiment of signal processing method that Fig. 1 provides for the present invention, The executive agent of the method is as having the terminal units such as the mobile phone of physical communication port, pad, Or it is integrated in the module on this terminal unit or chip.As it is shown in figure 1, this signal processing method Comprise the steps:
S110, obtains the first signal and secondary signal.
Wherein, the first signal can be that terminal laterally outside is from equipment such as earphone, mike, display screen Deng the data signal of transmission, including audio signal, video signal etc..Secondary signal is end side To outside from the control signal of equipment such as charger transmission, including: control charging voltage, charged electrical The signal in stream, charging interval etc..
S120, is overlapped the first signal and secondary signal, generates superposed signal, and by same One physical port output.
Concrete, comprise the steps that two numeral letters according to the data type of the first signal and secondary signal Number superposition or two analogue signal superpositions.Wherein, in superposed signal, including can be extracted The part corresponding with the first signal and/or the part corresponding with secondary signal.
Such as, in additive process, the first signal and secondary signal can be carried out coded treatment, when When needing to extract the first signal and/or signal corresponding to secondary signal from superposed signal, only need to carry out Decoding process to induction signal.It is digital signal that the method is primarily adapted for use in superposed signal.The most such as, In additive process, the first signal and secondary signal can be carried out carrier modulation treatment respectively, or right Superposed signal after superposition carries out carrier modulation treatment, with by superposed signal Central Plains the first signal and former Analogue signal partial modulation corresponding to secondary signal is to different frequency ranges.When needs are from superposition When signal extracts the first signal and/or signal corresponding to secondary signal, only need to carry out induction signal Demodulation or Filtering Processing.It is analogue signal that the method is primarily adapted for use in superposed signal.
Above two Signal averaging process, its purpose is, and in superposed signal, formation includes can With the part corresponding with the first signal being extracted and/or the part corresponding with secondary signal.So, Even if export the first signal and secondary signal by Same Physical port simultaneously, it is possible to make to receive letter Number after equipment extracts relative data signal from superposed signal or control signal is carried out Continuous process.
Those skilled in the art may be used without other Signal averaging modes to above-mentioned first signal and second Signal is overlapped, and the mode of Signal averaging is not limited by the present embodiment.
The signal processing method that the present embodiment provides, is overlapped the first signal and secondary signal, Generate the part corresponding with the first signal and/or the portion corresponding with secondary signal including being extracted Point, and exported by Same Physical port, so that receiving can believing from equipment of signal from superposition Accurately extract relative data signal in number or control signal carries out subsequent treatment, improve The physical port multiplexing efficiency of communication interface.
Embodiment two
In the present embodiment, as a example by superposed signal is as analogue signal, during Signal averaging, First signal and secondary signal are carried out carrier modulation treatment so that in superposed signal, the first letter Number and analogue signal corresponding to secondary signal be partially in the processing scheme of different frequency ranges will It is described in detail.
Second method stream of second embodiment of signal processing method that Fig. 2 provides for the present invention Cheng Tu, this signal processing method can be considered the specific implementation of signal processing method shown in Fig. 1. The superposed signal related to is analogue signal, and the first signal and secondary signal are analogue signal.As Shown in Fig. 2, this signal processing method includes:
S210, is modulated to the analogue signal of different frequency scope, so by the first signal and secondary signal Rear simulation superposition, generates superposed signal.
Wherein, the first signal is analog control signal, and secondary signal is analog data signal.For For transmitting the kind of the data signal that the physical port of signal is transmitted, i.e. voiceband data signal end Mouth or video data signal port etc., also can be further defined to analogue audio frequency by above-mentioned secondary signal Signal or analog video signal.
Analog control signal and simulated audio signal/analog video signal are modulated different frequency respectively Form new analogue signal in scope, the most again the analogue signal after modulation is overlapped, generates Superposed signal.
S220, is exported superposed signal by Same Physical port.
Such as, the superposed signal participating in simulated audio signal producing is by voiceband data signal port Output, is exported the superposed signal that analog video signal participates in producing by video data signal port.
With secondary signal as simulated audio signal, corresponding physical port is for being used for transmitting audio signal L channel port and R channel port as a example by, then corresponding secondary signal is simulated audio signal, And it includes left channel analog audio signal and right channel analog audio signal, corresponding left sound respectively Road port and R channel port carry out data signal transmission.
On this basis, the first corresponding signal Ke Wei mono-tunnel control signal or be two path control signal, Can corresponding be overlapped with left channel analog audio signal and/or right channel analog audio signal respectively.
As it is shown on figure 3, second of second embodiment of signal processing method provided for the present invention Method flow diagram, the first signal shown in this embodiment includes two path control signal, i.e. includes first Analog control signal and the second analog control signal.This two-way analog control signal respectively with L channel The method step of simulated audio signal superposition corresponding with right channel analog audio signal is as follows.
S310, by the first analog control signal and the second analog control signal respectively with left channel analog Audio signal and right channel analog audio signal are simulated superposition.
Wherein, the first analog control signal and the second analog control signal respectively with left channel analog sound Frequently signal and right channel analog audio signal are in different frequency ranges.
Such as, the first analog control signal is simulated superposing with left channel analog audio signal, and The first analog control signal after superposition is in different frequency models from left channel analog audio signal Enclose；Second analog control signal is simulated superposing with right channel analog audio signal, and after superposition The second analog control signal be in different frequency ranges from right channel analog audio signal.
S320, is exported by L channel port and R channel port respectively by superposed signal.
Above-mentioned first analog control signal and the second analog control signal can be that amplitude is identical, frequency Identical, phase state does not do the two-way analogue signal limited.So, end side utilizes the first simulation Control signal and the second analog control signal realize different controls by different phase state combinations State processed, to send distinguishing control instruction to from equipment.
Such as, the combination of above-mentioned phase state include in following phase state at least one:
First analog control signal and the second analog control signal phase place are identical；
First analog control signal and the second analog control signal phase place are different.
The most such as, the combination of above-mentioned phase state include in following phase state at least one:
First analog control signal and the second analog control signal phase place are identical；
The phase place of advanced second analog control signal of phase place of the first analog control signal；
The phase place of delayed phase second analog control signal of the first analog control signal.
The most such as, the combination of above-mentioned phase state include in following phase state at least one:
First analog control signal is identical with described second analog control signal phase place；
The one of the phase place of advanced or delayed second analog control signal of the phase place of the first analog control signal Individual or multiple predetermined phases.
Above-mentioned three groups of corresponding phase states combination can realize the control logic of three groups of control signals.
As shown in Figure 4, the 3rd of second embodiment of signal processing method provided for the present invention Method flow diagram, the first signal shown in this embodiment includes a road control signal, and this road controls letter Number can with left channel analog audio signal or right channel analog audio signal be overlapped process, specifically Method step is as follows.
S410, enters the first signal with left channel analog audio signal or right channel analog audio signal Row simulation superposition.Wherein, the first signal and left channel analog audio signal or right analog audio Signal is in different frequency ranges.
S420, is exported superposed signal by L channel port or R channel port.
Meanwhile, by the left channel analog audio signal not being overlapped or right analog audio Signal is exported by corresponding L channel port or R channel port.
Equally, the superposed positions (L channel port or R channel port) of end side profit the first signal Or the occurrences such as the frequency of the first signal, amplitude also can realize different controlled state, with to from Equipment sends distinguishing control instruction.
The present embodiment is the signal of analogue signal for superposed signal, the first signal and secondary signal Additive process, and the physical port that output uses illustrated, and also gives end Side utilizes two-way analog control signal to realize different control by different phase state combinations State, to send distinguishing control instruction to from equipment.
Embodiment three
In the present embodiment, as a example by superposed signal is as analogue signal, during Signal averaging, First signal and secondary signal are carried out carrier modulation treatment so that in superposed signal, the first letter Number and analogue signal corresponding to secondary signal be partially in the processing scheme of different frequency ranges will It is described in detail.
First method stream of the 3rd embodiment of signal processing method that Fig. 5 provides for the present invention Cheng Tu, this signal processing method can be considered the specific implementation of signal processing method shown in Fig. 1. The superposed signal related to is analogue signal, and the first signal and secondary signal are digital signal.This The digital signal related in embodiment is the analog data amount expressed in digital form, i.e. simulates The discrete form of data.As it is shown in figure 5, this signal processing method includes:
S510, carries out numbers pile up by the first signal and secondary signal, after then carrying out digital-to-analogue conversion, Generate superposed signal.
Wherein, the first signal is digital controlled signal, and secondary signal is digital data signal.For For transmitting the kind of the data signal that the physical port of signal is transmitted, i.e. voiceband data signal end Mouth or video data signal port etc., also can be further defined to DAB by above-mentioned secondary signal Signal or digital video signal.
Digital controlled signal and digital audio and video signals/digital video signal are carried out digital signal mixing After, carry out digital-to-analogue conversion, generate the superposed signal of simulation.Wherein, during numbers pile up, Make the analogue signal part after the digital-to-analogue conversion corresponding to the first signal and the number corresponding to secondary signal Analogue signal after mould conversion is partially in different frequency ranges.
Intelligible, the order performing above-mentioned numbers pile up process and digital-to-analogue transformation process can also be run Fall, first the first signal and secondary signal carried out digital-to-analogue conversion respectively, then carrying out numbers pile up, Will first carry out analog digital conversion by two digital signals, the most again two analogue signals after conversion be entered Row overlap-add procedure, generates superposed signal.And in the analogue signal after this superposition, former first signal institute Mould after the corresponding analogue signal part after digital-to-analogue conversion and the digital-to-analogue conversion corresponding to secondary signal Intend signal section and be in different frequency ranges.
S520, is exported superposed signal by Same Physical port.
Such as, the superposed signal participating in digital audio and video signals producing is by voiceband data signal port Output, is exported the superposed signal that digital video signal participates in producing by video data signal port.
With secondary signal as digital audio and video signals, corresponding physical port is for being used for transmitting audio signal L channel port and R channel port as a example by, then corresponding secondary signal is digital audio and video signals, And it includes left channel digital audio signal and right channel digital audio signal, corresponding left sound respectively Road port and R channel port carry out data signal transmission.
On this basis, the first corresponding signal Ke Wei mono-tunnel control signal or be two path control signal, Can corresponding be overlapped with left channel digital audio signal and/or right channel digital audio signal respectively.
As shown in Figure 6, second of the 3rd embodiment of signal processing method provided for the present invention Method flow diagram, the first signal shown in this embodiment includes two path control signal, i.e. includes first Digital controlled signal and the second digital controlled signal.This two-way digital controlled signal respectively with L channel The method step of digital audio and video signals superposition corresponding with right channel digital audio signal is as follows.
S610, by digital with L channel respectively to the first digital controlled signal and the second digital controlled signal Audio signal and right channel digital audio signal carry out numbers pile up.
Wherein, after the first digital controlled signal and the digital-to-analogue conversion corresponding to the second digital controlled signal Analogue signal part and digital audio and video signals carry out digital-to-analogue conversion after analogue signal be partially in not Same frequency range.
Such as, the first digital controlled signal is overlapped with left channel digital audio signal, then will be folded Digital signal after adding carries out the analogue signal after digital-to-analogue conversion forms superposition, and first after superposition Two analogue signals after the digital-to-analogue conversion that digital controlled signal is corresponding with left channel digital audio signal It is partially in different frequency ranges；Second digital controlled signal enters with right channel digital audio signal Row superposition, then the digital signal after superposition is carried out the analogue signal after digital-to-analogue conversion forms superposition, And after the digital-to-analogue conversion corresponding with left channel digital audio signal of the first digital controlled signal after superposition Two analogue signals be partially in different frequency ranges.
S620, is exported by L channel port and R channel port respectively by superposed signal.
Above-mentioned first digital controlled signal and second numeral analog control signal after digital-to-analogue conversion can Think that amplitude is identical, frequency is identical, phase state does not do the two-way analogue signal limited.So, End side is utilized and is turned by the digital-to-analogue corresponding to the first digital controlled signal and the second digital controlled signal The different phase state combination of the analogue signal part after changing realizes different controlled state, with Distinguishing control instruction is sent to from equipment.
Such as, the combination of above-mentioned phase state include in following phase state at least one:
The analogue signal part that first digital controlled signal is corresponding is corresponding with the second digital controlled signal The phase place of analogue signal part is identical；
The analogue signal part that first digital controlled signal is corresponding is corresponding with the second digital controlled signal The phase place of analogue signal part is different.
The most such as, the combination of above-mentioned phase state include in following phase state at least one:
The analogue signal part that first digital controlled signal is corresponding is corresponding with the second digital controlled signal The phase place of analogue signal part is identical；
The advanced second digital control letter of phase place of the analogue signal part that the first digital controlled signal is corresponding The phase place of number corresponding analogue signal part；
The digital control letter of delayed phase second of the analogue signal part that the first digital controlled signal is corresponding The phase place of number corresponding analogue signal part.
The most such as, the combination of above-mentioned phase state include in following phase state at least one:
The analogue signal part that first digital controlled signal is corresponding is corresponding with the second digital controlled signal The phase place of analogue signal part is identical；
Advanced or delayed second numeral of phase place of the analogue signal part that the first digital controlled signal is corresponding The one or more predetermined phase of phase place of the analogue signal that control signal part is corresponding.
Above-mentioned three groups of corresponding phase states combination can realize the control logic of three groups of control signals.
As it is shown in fig. 7, the 3rd of the 3rd embodiment of signal processing method provided for the present invention Method flow diagram, the first signal shown in this embodiment includes a road control signal, and this road controls letter Number can with left channel digital audio signal or right channel digital audio signal be overlapped process, specifically Method step is as follows.
S710, enters the first signal with left channel digital audio signal or right channel digital audio signal Row number superposition.Wherein, the analogue signal part after the digital-to-analogue conversion corresponding to the first signal is with left Simulation letter after digital-to-analogue conversion corresponding to channel digital audio signal or right channel digital audio signal Number it is partially in different frequency ranges.
S720, is exported superposed signal by L channel port or R channel port.
Meanwhile, by the left channel digital audio signal not being overlapped or right channel digital audio After signal carries out digital-to-analogue conversion formation analogue signal, by corresponding L channel port or R channel end Mouth output.
Equally, the superposed positions of end side profit first signal analogue signal after digital-to-analogue conversion is (left Sound channel port or R channel port) or the frequency of first signal analogue signal after digital-to-analogue conversion, The occurrences such as amplitude also can realize different controlled state, to send distinguishing control to from equipment Instruction.
The present embodiment is analogue signal for superposed signal, and the first signal and secondary signal are numeral letter Number Signal averaging process, and output use physical port illustrated, and also Give end side and utilize two-way digital controlled signal analogue signal after digital-to-analogue conversion, by not Same phase state combination realizes different controlled state, to send distinguishing control to from equipment System instruction.
In embodiment of the method shown in Fig. 1-Fig. 7, involved physical port is in TYPE-C interface, For transmitting the port of audio signal or video signal.Concrete, when superposed signal is analogue signal Time, above-mentioned physical port is DP and the DN port of TYPE-C interface.
Embodiment four
The first method stream of the 4th embodiment of signal processing method that Fig. 8 provides for the present invention Cheng Tu, the executive agent of the method is for having physical communication port, and is such as mobile phone, pad Deng terminal unit from equipment, such as earphone, mike, display screen, charger etc., or collection Become at this module from equipment or chip.These pass through physical communication port with right from equipment The terminal unit answered achieves a butt joint and data are transmitted.As shown in Figure 8, this signal processing method is During terminal unit performs signal processing method shown in Fig. 1, corresponding from performed by equipment Procedure, comprises the steps:
S810, obtains the superposed signal in physical port, and this superposed signal includes the first signal section Divide and secondary signal part.
Wherein, superposed signal is in Fig. 1, the superposed signal of terminal its physical port lateral output. By by the physical port of terminal unit and the physical port grafting from equipment, it is achieved data are transmitted, Make to obtain the superposed signal physical port from equipment.
Concrete, in superposed signal, corresponding with the first signal before superposition including can be extracted Part and/or the part corresponding with secondary signal before superposition.
S820, from superposed signal, extracts the first signal section and/or secondary signal part.
Wherein, the process that signal is overlapped by the extraction process of signal and aforementioned terminals side can be considered For inverse process.
Such as, in additive process, the first signal and secondary signal can be carried out coded treatment, when When needing to extract the first signal and/or signal corresponding to secondary signal from superposed signal, only need to carry out Decoding process to induction signal.It is digital signal that the method is primarily adapted for use in superposed signal.The most such as, In additive process, the first signal and secondary signal can be carried out carrier modulation treatment respectively, or right Superposed signal after superposition carries out carrier modulation treatment, with by superposed signal Central Plains the first signal and former Analogue signal partial modulation corresponding to secondary signal is to different frequency ranges.When needs are from superposition When signal extracts the first signal and/or signal corresponding to secondary signal, only need to carry out induction signal Demodulation or Filtering Processing.It is analogue signal that the method is primarily adapted for use in superposed signal.
Above two Signal averaging process, its purpose is, and in superposed signal, formation includes can With the part corresponding with the first signal extracted from equipment and/or the part corresponding with secondary signal. So, even if export the first signal and secondary signal by Same Physical port simultaneously, it is possible to make Receive signal extracts relative data signal or control signal from equipment from superposed signal Carry out subsequent treatment.
Those skilled in the art may be used without other Signal averaging modes to above-mentioned first signal and second Signal is overlapped, and the mode of Signal averaging is not limited by the present embodiment.Accordingly, from setting Standby side, the anti-signal extraction mode released of basis signal stacked system, from superposed signal, obtain the One signal section and/or secondary signal part.
S830, performs subsequent treatment to the first signal section and/or secondary signal part.
Subsequent treatment is carried out according to the data type of the first signal section and/or secondary signal part, as The speaker that audio signal data can transmit to earphone plays out, and it can be entered by control signal data Send after row further analyzing and processing to controlling port thus control the work shape from equipment from equipment State.
The signal processing method that the present embodiment provides, is exported by Same Physical port for end side Superposed signal, accurately extract relative data signal from equipment or after control signal carries out Continuous process, improves the physical port multiplexing efficiency of communication interface.
Further, above-mentioned physical port is for transmitting the L channel port of audio signal and right sound Road port；First signal section is analogue signal；Secondary signal part is audio signal, including a left side Channel audio signal part and right channel audio signal part.
On this basis, above-mentioned first signal section Ke Wei mono-tunnel analogue signal or for two-way simulation letter Number, corresponding respectively and left channel audio signal and/or right channel audio signal are superimposed as control Make from the analog control signal of equipment, and this analog control signal and the L channel sound being superimposed Frequently signal or right channel audio signal are in different frequency ranges.
As it is shown in figure 9, second of the 4th embodiment of signal processing method provided for the present invention Method flow diagram, the first signal section shown in this embodiment includes two-way analog control signal, i.e. Including the first analog control signal part and the second analog control signal part.The simulation of this two-way controls Signal superposition corresponding with left channel audio signal and right channel audio signal respectively.Corresponding from equipment The signal processing of side is:
S910, is filtered L channel port and R channel port processing respectively, obtains the respectively One analog control signal part and the second analog control signal part.
Wherein, the frequency range of Filtering Processing is for the first analog control signal part and the second simulation control Frequency range corresponding to signal section processed.
S920, identifies the first analog control signal part and the phase place of the second analog control signal part Combinations of states, combines executive control operation according to phase state.
Above-mentioned first analog control signal and the second analog control signal can be that amplitude is identical, frequency Identical, phase state does not do the two-way analogue signal limited.So, first is identified from equipment side After the phase place of analog control signal and the second analog control signal, combined by different phase states Realize different controlled state, with to controlling the port distinguishing control instruction of transmission.
Such as, the combination of above-mentioned phase state include in following phase state at least one:
First analog control signal and the second analog control signal phase place are identical；
First analog control signal and the second analog control signal phase place are different.
The most such as, the combination of above-mentioned phase state include in following phase state at least one:
First analog control signal and the second analog control signal phase place are identical；
The phase place of advanced second analog control signal of phase place of the first analog control signal；
The phase place of delayed phase second analog control signal of the first analog control signal.
The most such as, the combination of above-mentioned phase state include in following phase state at least one:
First analog control signal is identical with described second analog control signal phase place；
The one of the phase place of advanced or delayed second analog control signal of the phase place of the first analog control signal Individual or multiple predetermined phases.
Above-mentioned three groups of corresponding phase states combination can realize the control logic of three groups of control signals.
As shown in Figure 10, the 3rd of the 4th embodiment of signal processing method provided for the present invention Individual method flow diagram, the first signal section shown in this embodiment includes a road control signal, this road Control signal can be overlapped with left channel audio signal or right channel audio signal.Corresponding from setting The signal processing of standby side is:
S101, to L channel port and R channel port, one of them is filtered processing, and obtains the One signal section.
The sound channel port being superimposed with the first signal section it is by the sound channel port being filtered processing.
S102, according to the first signal section executive control operation.
Equally, superposed positions (L channel port or the R channel end of end side profit the first signal section Mouthful) or the occurrence such as the frequency of the first signal section, amplitude also can realize different controlled state, To send distinguishing control instruction to from the specified control port of equipment.
Further, the frequency range of above-mentioned first signal section is in the audio frequency that human ear can be heard Outside the frequency range of signal.So, by for transmit audio signal L channel port and When R channel port is overlapped signal extraction, identification extraction is only needed to go out the first signal section. Meanwhile, directly as audio signal, superposed signal can be sent into audio-frequence player device to play out, also User acoustically will not be interfered.
Further, in embodiment of the method shown in Fig. 8-Figure 10, involved physical port is In TYPE-C interface, for transmitting the port of audio signal or video signal.Concrete, work as superposition When signal is analogue signal, above-mentioned physical port is DP and the DN port of TYPE-C interface.
The present embodiment is for the signal extraction process of the first signal section, and acquisition superposed signal is adopted Physical port illustrated, and also give from equipment side utilize two-way simulation control Signal processed realizes different controlled state, with to from equipment by different phase state combinations Specified control port sends distinguishing control instruction.
Embodiment five
The structural representation of first embodiment of signal processing apparatus that Figure 11 provides for the present invention, Can be used for the method step performed as shown in Figure 1.As shown in figure 11, this signal processing apparatus Including: the first acquisition module 111, laminating module 112 and output module 113, wherein:
First acquisition module 111, for obtaining the first signal and secondary signal；Laminating module, is used for First signal and secondary signal are overlapped, generate superposed signal；Output module 113, being used for will Superposed signal is exported by Same Physical port；Wherein, in superposed signal, including being carried The part corresponding with the first signal taken and/or the part corresponding with secondary signal.
The signal processing apparatus that the present embodiment provides, is overlapped the first signal and secondary signal, Generate the part corresponding with the first signal and/or the portion corresponding with secondary signal including being extracted Point, and exported by Same Physical port, so that receiving can believing from equipment of signal from superposition Accurately extract relative data signal in number or control signal carries out subsequent treatment, improve The physical port multiplexing efficiency of communication interface.
Further, above-mentioned superposed signal is analogue signal, above-mentioned laminating module 112 specifically for, First signal and secondary signal are overlapped so that in superposed signal, the first signal and second Analogue signal corresponding to signal is partially in different frequency ranges.
Embodiment six
The structural representation of second embodiment of signal processing apparatus that Figure 12 provides for the present invention, Can be considered the refinement structure of signal processing apparatus shown in Figure 11, for performing such as Fig. 2-Figure 10 Shown method step.As shown in figure 12, this signal processing apparatus includes: the first acquisition module 111, laminating module 112 and output module 113, and corresponding with the module shown in Figure 11 identical.
On this basis, the first signal and secondary signal can be analogue signal or digital signal.
When the first signal and secondary signal are analogue signal, above-mentioned laminating module 112 specifically includes:
Simulation superpositing unit 1121, for being modulated to different frequency model by the first signal and secondary signal The analogue signal enclosed, is then simulated superposition, generates superposed signal.
Further, above-mentioned physical port is for transmitting the L channel port of audio signal and right sound Road port；First signal is analog control signal；Secondary signal is simulated audio signal, and it includes Left channel analog audio signal and right channel analog audio signal.
Further, the first signal includes the first analog control signal and the second analog control signal； Simulation superpositing unit 1121 specifically for, by the first analog control signal and the second analog control signal It is simulated superposing with left channel analog audio signal and right channel analog audio signal respectively, wherein, First analog control signal and the second analog control signal respectively with left channel analog audio signal and the right side Channel analog audio signals is in different frequency ranges.
Further, the first analog control signal and the second analog control signal are by different phase places State group is incompatible realizes different controlled state.
Further, the combination of above-mentioned phase state include in following phase state at least one:
First analog control signal and the second analog control signal phase place are identical；
First analog control signal and the second analog control signal phase place are different.
Alternatively, the combination of above-mentioned phase state include in following phase state at least one:
First analog control signal is identical with described second analog control signal phase place；
The phase place of the most described second analog control signal of phase place of the first analog control signal；
The phase place of the second analog control signal described in the delayed phase of the first analog control signal.
Alternatively, at least one during above-mentioned phase combination includes following phase state:
First analog control signal and the second analog control signal phase place are identical；
The one of the phase place of advanced or delayed second analog control signal of the phase place of the first analog control signal Individual or multiple predetermined phases.
Further, when the first signal is a road control signal, above-mentioned simulation superpositing unit 1121 Specifically it is additionally operable to, by the first signal and left channel analog audio signal or right channel analog audio signal It is simulated superposition, wherein, the first signal and left channel analog audio signal or right analog sound Frequently signal is in different frequency ranges.
When the first signal and secondary signal are digital signal, above-mentioned laminating module 112 specifically includes: Numbers pile up unit 1122, for the first signal and secondary signal are carried out numbers pile up, then counts After mould conversion, generate superposed signal, wherein, during numbers pile up, make the first signal institute Mould after the corresponding analogue signal part after digital-to-analogue conversion and the digital-to-analogue conversion corresponding to secondary signal Intend signal section and be in different frequency ranges.
Further, above-mentioned physical port is for transmitting the L channel port of audio signal and right sound Road port；First signal is digital controlled signal；Secondary signal is digital audio and video signals, including a left side Channel digital audio signal and right channel digital audio signal.
Further, the first signal includes the first digital controlled signal and the second digital controlled signal； Numbers pile up unit 1122 specifically for, by the first digital controlled signal and the second digital controlled signal Numbers pile up is carried out respectively with left channel digital audio signal and right channel digital audio signal, wherein, The analogue signal after digital-to-analogue conversion corresponding to first digital controlled signal and the second digital controlled signal Part carries out the analogue signal after digital-to-analogue conversion from digital audio and video signals and is partially in different frequency models Enclose.
Further, by the number corresponding to the first digital controlled signal and the second digital controlled signal The different phase state combination of the analogue signal part after mould conversion realizes different control shapes State.
Further, the combination of above-mentioned phase state include in following phase state at least one:
The analogue signal part that first digital controlled signal is corresponding is corresponding with the second digital controlled signal The phase place of analogue signal part is identical；
The analogue signal part that first digital controlled signal is corresponding is corresponding with the second digital controlled signal The phase place of analogue signal part is different.
Alternately, the combination of above-mentioned phase state include in following phase state at least one:
The analogue signal part that first digital controlled signal is corresponding is corresponding with the second digital controlled signal The phase place of analogue signal part is identical；
The advanced second digital control letter of phase place of the analogue signal part that the first digital controlled signal is corresponding The phase place of number corresponding analogue signal part；
The digital control letter of delayed phase second of the analogue signal part that the first digital controlled signal is corresponding The phase place of number corresponding analogue signal part.
Alternately, at least one during above-mentioned phase combination includes following phase state:
The analogue signal part that first digital controlled signal is corresponding is corresponding with the second digital controlled signal The phase place of analogue signal part is identical；
Advanced or delayed second numeral of phase place of the analogue signal part that the first digital controlled signal is corresponding The one or more predetermined phase of phase place of the analogue signal that control signal part is corresponding.
Further, when the first signal is a road control signal, above-mentioned numbers pile up unit is concrete For, by the first signal and left channel digital audio signal or right channel digital audio signal number Word superposition, wherein, the analogue signal part after the digital-to-analogue conversion corresponding to the first signal and L channel Analogue signal portion after digital-to-analogue conversion corresponding to digital audio and video signals or right channel digital audio signal Office is in different frequency ranges.
Further, above-mentioned physical port is in TYPE-C interface, be used for transmitting audio signal or The port of video signal.
Further, above-mentioned physical port is DP and the DN port of TYPE-C interface.
The signal processing apparatus that the embodiment of the present invention provides, for superposed signal be analogue signal, the One signal and secondary signal are the Signal averaging process of analogue signal or digital signal, and output Use physical port illustrated, and also give end side utilize two-way simulation control Signal processed realizes different controlled state, to send out to from equipment by different phase state combinations Send distinguishing control instruction.
Embodiment seven
The structural representation of the 3rd embodiment of signal processing apparatus that Figure 13 provides for the present invention, Can be used for the method step performed as shown in Figure 8.As shown in figure 13, this signal processing apparatus Including: the second acquisition module 131, extraction module 132 and subsequent treatment module 133, wherein:
Second acquisition module 131, for obtaining the superposed signal in physical port, in this superposed signal Including the first signal section and secondary signal part；Extraction module 132, is used for from superposed signal, Extract the first signal section and/or secondary signal part；Subsequent treatment module 133, for first Signal section and/or secondary signal part perform subsequent treatment.
The signal processing apparatus that the present embodiment provides, is exported by Same Physical port for end side Superposed signal, accurately extract relative data signal or control signal carry out subsequent treatment, Improve the physical port multiplexing efficiency of communication interface.
Further, above-mentioned physical port is for transmitting the L channel port of audio signal and right sound Road port；First signal section is analogue signal；Secondary signal part is audio signal, including a left side Channel audio signal part and right channel audio signal part.
On this basis, above-mentioned first signal section Ke Wei mono-tunnel analogue signal or for two-way simulation letter Number, corresponding respectively and left channel audio signal and/or right channel audio signal are superimposed as control Make from the analog control signal of equipment, and this analog control signal and the L channel sound being superimposed Frequently signal or right channel audio signal are in different frequency ranges.
Embodiment eight
On the basis of above-described embodiment, the first signal section include the first analog control signal part and Second analog control signal part, corresponding extraction module 132 is for L channel port and R channel Port is filtered processing respectively, obtains the first analog control signal part and the second simulation control respectively Signal section processed.
Further, subsequent treatment module 133 is for identifying the first analog control signal part and the The phase state combination of two analog control signal parts, combines executive control operation according to phase state.
Further, the combination of above-mentioned phase state include in following phase state at least one:
First analog control signal part is identical with the second analog control signal fractional phase；
First analog control signal part is different with the second analog control signal fractional phase.
Alternately, the combination of above-mentioned phase state include in following phase state at least one:
First analog control signal part is identical with the second analog control signal fractional phase；
The phase place of the advanced second analog control signal part of phase place of the first analog control signal part；
The phase place of delayed phase the second analog control signal part of the first analog control signal part.
Alternately, at least one during above-mentioned phase combination includes following phase state:
First analog control signal part is identical with the phase place of the second analog control signal part；
Advanced or the delayed second analog control signal part of phase place of the first analog control signal part One or more predetermined phases of phase place.
Further, when the first signal section includes a road analog control signal part, extract mould Block 132, for one of them is filtered processing to L channel port and R channel port, obtains the One signal section.
Further, the frequency range of above-mentioned first signal section is in the audio frequency that human ear can be heard Outside the frequency range of signal, and subsequent treatment module 133 is additionally operable to, using superposed signal as sound Frequently signal feeding audio-frequence player device plays out.
The signal processing apparatus of the offer of the present embodiment can be used for performing the side as shown in Fig. 9-Figure 10 Method step, does not repeats step principle at this.
Further, Figure 14 be the signal processing apparatus from equipment side shown in the present embodiment and The circuit structure diagram of its peripheral equipment.As shown in figure 14, this circuit structure includes: TYPE-C Port U1, and each pin definitions of TYPE-C port U1 and numbering meet existing TYPE-C Interface standard, explains the most one by one at this.
Signal processing apparatus U2 shown in the present embodiment simultaneously with the data of TYPE-C port U1 Transmission port DP, DN, charger circuit and simulation earphone/simulation digital earphone a left side, R channel port connects.Meanwhile, TYPE-C port U1 opposite side connects terminal unit, fills Appliance circuit absorbs rechargeable electrical energy by the Vbus of TYPE-C port U1.
From data transmission port DP of TYPE-C port U1, the superposed signal one of DN output Road is transported to simulate the left and right sound channels port of earphone/simulation digital earphone and carries out audio signal and broadcast Put, lead up to signal processing apparatus U2, to extract the first signal section from superposed signal Divide and carry out subsequent treatment, and the signal that will obtain after processing is input to the control of charger circuit End CTL processed, is controlled with the duty to charger circuit.Wherein, signal processing Device U2 specifically includes the filter circuit being connected respectively with data transmission port DP, DN, This filter circuit is for obtaining the first analog control signal and/or the second mould from superposed signal Intend control signal.Then the first analog control signal and/or the second analog control signal are as defeated Go out signal to be input in difference channel, thus obtain the first analog control signal and the second simulation The multiple phase combination state of control signal, thus obtain distinguishing control signal.
As shown in figure 15, it is shown that a kind of particular circuit configurations of signal processing apparatus U2, The input of this circuit structure is the audio signal obtained from TYPE-C port, including L channel sound Frequently signal section LEFT and right channel audio signal part RIGHT.This two-way audio signal is respectively By by resistance R1, R2, the filtered process of filter circuit of electric capacity C1, C2 composition obtains correspondence The first analog control signal and/or the second analog control signal.The the first simulation control that will obtain Signal processed and/or the second analog control signal as differential input signal, through by resistance R4, The difference of R5, R6, R7, R8, R9, R10, electric capacity C5, comparison amplifier U1-A composition Circuit, the output signal obtained can also obtain after resistance R3 and electric capacity C4 is filtered processing again To final control signal output to the control end CTL of charger circuit.
Specifically, Tu15Zhong, by C1, R1 and C2, two wave filter of R2 composition, cuts Only frequency about 18KHz, this frequency, close to human auditory system border, belongs to ultrasound wave.With this frequency Segment signal can not affect the normal audition of user as analog control signal.
Wherein, Vout=20* (Vright-Vleft)
The Vout=(Vcc) * 1/2 when Vright with Vleft phase place is identical, CTL signal is steady State, charger attonity.
When Vright phase place is beyond Vleft 0～90 degree, Vout=VCC, CTL signal is high, Charger adjusts High Output Current, large current charge.
As Vright delayed phase Vleft 0～90 degree, Vout=0, CTL signal is low, Charger reduces output electric current, low current charge.
Figure 15 is only to carrying out interpretation of structure from the signal processing apparatus of equipment side, rather than right Its version is defined.Those skilled in the art also can be according to the signal of the present embodiment at The operation principle of reason device, relates to the functional circuit with other structures.
One of ordinary skill in the art will appreciate that: realize the whole of above-mentioned each method embodiment Or part steps can be completed by the hardware that programmed instruction is relevant.Aforesaid program is permissible It is stored in a computer read/write memory medium.This program upon execution, performs to include State the step of each method embodiment；And aforesaid storage medium includes: ROM, RAM, magnetic The various medium that can store program code such as dish or CD.
It is last it is noted that various embodiments above is only in order to illustrate technical scheme, It is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments, It will be understood by those within the art that: foregoing embodiments still can be remembered by it The technical scheme carried is modified, or carries out the most some or all of technical characteristic With replacing；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this Invent the scope of each embodiment technical scheme.

Claims (62)

1. a signal processing method, it is characterised in that including:
Obtain the first signal and secondary signal；
Described first signal and described secondary signal are overlapped, generate superposed signal, and exported by Same Physical port, wherein, in described superposed signal, including the part corresponding with described first signal that can be extracted and/or the part corresponding with described secondary signal.
Signal processing method the most according to claim 1, it is characterised in that
Described superposed signal is analogue signal, is overlapped including by described first signal and described secondary signal:
Described first signal and described secondary signal being overlapped so that in described superposed signal, the analogue signal corresponding to described first signal and described secondary signal is partially in different frequency ranges.
Signal processing method the most according to claim 2, it is characterised in that
Described first signal and described secondary signal are analogue signal,
Described first signal and described secondary signal being overlapped, the process generating superposed signal includes:
Described first signal and described secondary signal are modulated to the analogue signal of different frequency scope, are then simulated superposition, generate described superposed signal.
Signal processing method the most according to claim 2, it is characterised in that
Described first signal and described secondary signal are digital signal,
Described first signal and described secondary signal being overlapped, the process generating superposed signal includes:
Described first signal and described secondary signal are carried out numbers pile up, then after carrying out digital-to-analogue conversion, generate described superposed signal, wherein, during described numbers pile up, the analogue signal part after the digital-to-analogue conversion corresponding to described first signal and the analogue signal after the digital-to-analogue conversion corresponding to described secondary signal is made to be partially in different frequency ranges.
Signal processing method the most according to claim 3, it is characterised in that
Described physical port is for transmitting the L channel port of audio signal and R channel port；
Described first signal is analog control signal；
Described secondary signal is simulated audio signal, and it includes left channel analog audio signal and right channel analog audio signal.
Signal processing method the most according to claim 5, it is characterised in that
Described first signal includes the first analog control signal and the second analog control signal；
Described first signal and described secondary signal are modulated to the analogue signal of different frequency range, and the process being then simulated superposition includes:
It is simulated superposing with described left channel analog audio signal and right channel analog audio signal respectively by described first analog control signal and the second analog control signal, wherein, described first analog control signal and the second analog control signal are in different frequency ranges from described left channel analog audio signal and right channel analog audio signal respectively.
Signal processing method the most according to claim 6, it is characterised in that
Described first analog control signal and the second analog control signal realize different controlled state by different phase state combinations.
Signal processing method the most according to claim 7, it is characterised in that
The combination of described phase state include in following phase state at least one:
Described first analog control signal is identical with described second analog control signal phase place；
Described first analog control signal is different with described second analog control signal phase place.
Signal processing method the most according to claim 7, it is characterised in that
The combination of described phase state include in following phase state at least one:
Described first analog control signal is identical with described second analog control signal phase place；
The phase place of the most described second analog control signal of phase place of described first analog control signal；
The phase place of the second analog control signal described in the delayed phase of described first analog control signal.
Signal processing method the most according to claim 7, it is characterised in that
Described phase combination includes at least one in following phase state:
Described first analog control signal is identical with described second analog control signal phase place；
One or more predetermined phases of the phase place of advanced or delayed second analog control signal of phase place of described first analog control signal.
11. signal processing methods according to claim 5, it is characterised in that
Described first signal and described secondary signal are modulated to the analogue signal of different frequency range, and the process being then simulated superposition includes:
Being simulated superposing with described left channel analog audio signal or right channel analog audio signal by described first signal, wherein, described first signal is in different frequency ranges from described left channel analog audio signal or right channel analog audio signal.
12. signal processing methods according to claim 4, it is characterised in that
Described physical port is for transmitting the L channel port of audio signal and R channel port；
Described first signal is digital controlled signal；
Described secondary signal is digital audio and video signals, including left channel digital audio signal and right channel digital audio signal.
13. signal processing methods according to claim 12, it is characterised in that
Described first signal includes the first digital controlled signal and the second digital controlled signal；
The process that described first signal and described secondary signal carry out numbers pile up is included:
Described first digital controlled signal and the second digital controlled signal are carried out numbers pile up with described left channel digital audio signal and right channel digital audio signal respectively, wherein, the analogue signal part after described first digital controlled signal and the digital-to-analogue conversion corresponding to described second digital controlled signal carries out the analogue signal after digital-to-analogue conversion from described digital audio and video signals and is partially in different frequency ranges.
14. signal processing methods according to claim 13, it is characterised in that
Different controlled state is realized by the different phase state combination of the analogue signal part after the digital-to-analogue conversion corresponding to described first digital controlled signal and described second digital controlled signal.
15. signal processing methods according to claim 14, it is characterised in that
The combination of described phase state include in following phase state at least one:
The phase place of the analogue signal part that analogue signal part that described first digital controlled signal is corresponding is corresponding with described second digital controlled signal is identical；
The phase place of the analogue signal part that analogue signal part that described first digital controlled signal is corresponding is corresponding with described second digital controlled signal is different.
16. signal processing methods according to claim 14, it is characterised in that
The combination of described phase state include in following phase state at least one:
The phase place of the analogue signal part that analogue signal part that described first digital controlled signal is corresponding is corresponding with described second digital controlled signal is identical；
The phase place of the analogue signal part that the most described second digital controlled signal of phase place of the analogue signal part that described first digital controlled signal is corresponding is corresponding；
The phase place of the analogue signal part that the second digital controlled signal described in the delayed phase of the analogue signal part that described first digital controlled signal is corresponding is corresponding.
17. signal processing methods according to claim 14, it is characterised in that
Described phase combination includes at least one in following phase state:
The phase place of the analogue signal part that analogue signal part that described first digital controlled signal is corresponding is corresponding with described second digital controlled signal is identical；
The one or more predetermined phase of phase place of the analogue signal that the advanced or delayed described second digital controlled signal part of phase place of the analogue signal part that described first digital controlled signal is corresponding is corresponding.
18. signal processing methods according to claim 12, it is characterised in that
The process that described first signal and described secondary signal carry out numbers pile up is included:
Described first signal is carried out numbers pile up with described left channel digital audio signal or described right channel digital audio signal, wherein, the analogue signal part after the digital-to-analogue conversion corresponding to described first signal is partially in different frequency ranges from the analogue signal after the digital-to-analogue conversion corresponding to described left channel digital audio signal or right channel digital audio signal.
19. signal processing methods according to claim 1, it is characterised in that
Described physical port is in TYPE-C interface, for transmitting the port of audio signal or video signal.
20. according to the arbitrary described signal processing method of claim 3 to 18, it is characterised in that
Described physical port is DP and the DN port of TYPE-C interface.
21. 1 kinds of signal processing methods, it is characterised in that including:
Obtaining the superposed signal in physical port, described superposed signal includes the first signal section and secondary signal part；
From described superposed signal, extract described first signal section and/or secondary signal part；
Described first signal section and/or described secondary signal part are performed subsequent treatment.
22. signal processing methods according to claim 21, it is characterised in that
Described superposed signal is analogue signal, and in described superposed signal, described first signal section and described secondary signal are partially in different frequency ranges；
From described superposed signal, the process extracting described first signal section and/or secondary signal includes:
Described superposed signal is performed Filtering Processing, to obtain described first signal section and/or secondary signal part.
23. signal processing methods according to claim 22, it is characterised in that
Described physical port is for transmitting the L channel port of audio signal and R channel port；
Described first signal section is analogue signal；
Described secondary signal part is audio signal, including left channel audio signal part and right channel audio signal part.
24. signal processing methods according to claim 23, it is characterised in that
Described first signal section includes the first analog control signal part and the second analog control signal part,
Described superposed signal is performed Filtering Processing, includes obtaining the process of described first signal section:
It is filtered respectively processing to described L channel port and described R channel port, obtains described first analog control signal part and described second analog control signal part respectively.
25. signal processing method according to claim 24, it is characterised in that
Described first signal section is performed subsequent treatment include:
Identify the phase state combination of described first analog control signal part and the second analog control signal part, combine executive control operation according to described phase state.
26. signal processing methods according to claim 25, it is characterised in that
The combination of described phase state include in following phase state at least one:
Described first analog control signal part is identical with described second analog control signal fractional phase；
Described first analog control signal part is different with described second analog control signal fractional phase.
27. signal processing methods according to claim 25, it is characterised in that
The combination of described phase state include in following phase state at least one:
Described first analog control signal part is identical with described second analog control signal fractional phase；
The phase place of the most described second analog control signal part of phase place of described first analog control signal part；
The phase place of the second analog control signal part described in the delayed phase of described first analog control signal part.
28. signal processing methods according to claim 25, it is characterised in that
Described phase combination includes at least one in following phase state:
Described first analog control signal part is identical with the phase place of the second analog control signal part；
One or more predetermined phases of the phase place of the advanced or delayed second analog control signal part of phase place of described first analog control signal part.
29. signal processing methods according to claim 23, it is characterised in that
Described superposed signal is performed Filtering Processing, includes obtaining the process of described first signal:
To described L channel port and described R channel port, one of them is filtered processing, and obtains described first signal section.
30. according to the arbitrary described signal processing method of claim 23 to 29, it is characterised in that
The frequency range of described first signal section is in outside the frequency range of the audio signal that human ear can be heard,
Described signal processing method also includes:
As audio signal, described superposed signal is sent into audio-frequence player device play out.
31. signal processing methods according to claim 23, it is characterised in that
Described physical port is in TYPE-C interface, for transmitting the port of audio signal or video signal.
32. according to the arbitrary described signal processing method of claim 23 to 29, it is characterised in that.
33. 1 kinds of signal processing apparatus, it is characterised in that including:
First acquisition module, for obtaining the first signal and secondary signal；
Laminating module, for described first signal and described secondary signal being overlapped, generates superposed signal；
Output module, for exporting described superposed signal by Same Physical port；
Wherein, in described superposed signal, including the part corresponding with described first signal that can be extracted and/or the part corresponding with described secondary signal.
34. signal processing apparatus according to claim 33, it is characterised in that described superposed signal is analogue signal, described laminating module specifically for,
Described first signal and described secondary signal being overlapped so that in described superposed signal, the analogue signal corresponding to described first signal and described secondary signal is partially in different frequency ranges.
35. signal processing apparatus according to claim 34, it is characterised in that described first signal and described secondary signal are analogue signal, described laminating module specifically includes:
Simulation superpositing unit, for described first signal and described secondary signal are modulated to the analogue signal of different frequency scope, are then simulated superposition, generate described superposed signal.
36. signal processing apparatus according to claim 34, it is characterised in that described first signal and described secondary signal are digital signal, described laminating module specifically includes:
Numbers pile up unit, for described first signal and described secondary signal are carried out numbers pile up, then after carrying out digital-to-analogue conversion, generate described superposed signal, wherein, during described numbers pile up, the analogue signal part after the digital-to-analogue conversion corresponding to described first signal and the analogue signal after the digital-to-analogue conversion corresponding to described secondary signal is made to be partially in different frequency ranges.
37. signal processing apparatus according to claim 35, it is characterised in that
Described physical port is for transmitting the L channel port of audio signal and R channel port；
Described first signal is analog control signal；
Described secondary signal is simulated audio signal, and it includes left channel analog audio signal and right channel analog audio signal.
38. according to the signal processing apparatus described in claim 37, it is characterised in that
Described first signal includes the first analog control signal and the second analog control signal；
Described simulation superpositing unit specifically for,
It is simulated superposing with described left channel analog audio signal and right channel analog audio signal respectively by described first analog control signal and the second analog control signal, wherein, described first analog control signal and the second analog control signal are in different frequency ranges from described left channel analog audio signal and right channel analog audio signal respectively.
39. according to the signal processing apparatus described in claim 38, it is characterised in that
Described first analog control signal and the second analog control signal realize different controlled state by different phase state combinations.
40. according to the signal processing apparatus described in claim 39, it is characterised in that
The combination of described phase state include in following phase state at least one:
Described first analog control signal is identical with described second analog control signal phase place；
Described first analog control signal is different with described second analog control signal phase place.
41. according to the signal processing apparatus described in claim 39, it is characterised in that
The combination of described phase state include in following phase state at least one:
Described first analog control signal is identical with described second analog control signal phase place；
The phase place of the most described second analog control signal of phase place of described first analog control signal；
The phase place of the second analog control signal described in the delayed phase of described first analog control signal.
42. according to the signal processing apparatus described in claim 39, it is characterised in that
Described phase combination includes at least one in following phase state:
Described first analog control signal is identical with described second analog control signal phase place；
One or more predetermined phases of the phase place of advanced or delayed second analog control signal of phase place of described first analog control signal.
43. according to the signal processing apparatus described in claim 37, it is characterised in that
Described simulation superpositing unit specifically for,
Being simulated superposing with described left channel analog audio signal or right channel analog audio signal by described first signal, wherein, described first signal is in different frequency ranges from described left channel analog audio signal or right channel analog audio signal.
44. signal processing apparatus according to claim 36, it is characterised in that
Described physical port is for transmitting the L channel port of audio signal and R channel port；
Described first signal is digital controlled signal；
Described secondary signal is digital audio and video signals, including left channel digital audio signal and right channel digital audio signal.
45. signal processing apparatus according to claim 44, it is characterised in that
Described first signal includes the first digital controlled signal and the second digital controlled signal；
Described numbers pile up unit specifically for,
Described first digital controlled signal and the second digital controlled signal are carried out numbers pile up with described left channel digital audio signal and right channel digital audio signal respectively, wherein, the analogue signal part after described first digital controlled signal and the digital-to-analogue conversion corresponding to described second digital controlled signal carries out the analogue signal after digital-to-analogue conversion from described digital audio and video signals and is partially in different frequency ranges.
46. signal processing apparatus according to claim 45, it is characterised in that
Different controlled state is realized by the different phase state combination of the analogue signal part after the digital-to-analogue conversion corresponding to described first digital controlled signal and described second digital controlled signal.
47. signal processing apparatus according to claim 46, it is characterised in that
The combination of described phase state include in following phase state at least one:
The phase place of the analogue signal part that analogue signal part that described first digital controlled signal is corresponding is corresponding with described second digital controlled signal is identical；
The phase place of the analogue signal part that analogue signal part that described first digital controlled signal is corresponding is corresponding with described second digital controlled signal is different.
48. signal processing apparatus according to claim 46, it is characterised in that
The combination of described phase state include in following phase state at least one:
The phase place of the analogue signal part that analogue signal part that described first digital controlled signal is corresponding is corresponding with described second digital controlled signal is identical；
The phase place of the analogue signal part that the most described second digital controlled signal of phase place of the analogue signal part that described first digital controlled signal is corresponding is corresponding；
The phase place of the analogue signal part that the second digital controlled signal described in the delayed phase of the analogue signal part that described first digital controlled signal is corresponding is corresponding.
49. signal processing apparatus according to claim 46, it is characterised in that
Described phase combination includes at least one in following phase state:
The phase place of the analogue signal part that analogue signal part that described first digital controlled signal is corresponding is corresponding with described second digital controlled signal is identical；
The one or more predetermined phase of phase place of the analogue signal that the advanced or delayed described second digital controlled signal part of phase place of the analogue signal part that described first digital controlled signal is corresponding is corresponding.
50. signal processing apparatus according to claim 44, it is characterised in that
Described numbers pile up unit specifically for,
Described first signal is carried out numbers pile up with described left channel digital audio signal or described right channel digital audio signal, wherein, the analogue signal part after the digital-to-analogue conversion corresponding to described first signal is partially in different frequency ranges from the analogue signal after the digital-to-analogue conversion corresponding to described left channel digital audio signal or right channel digital audio signal.
51. signal processing apparatus according to claim 33, it is characterised in that
Described physical port is in TYPE-C interface, for transmitting the port of audio signal or video signal.
52. according to the arbitrary described signal processing apparatus of claim 35 to 50, it is characterised in that
Described physical port is DP and the DN port of TYPE-C interface.
53. 1 kinds of signal processing apparatus, it is characterised in that including:
Second acquisition module, for obtaining the superposed signal in physical port, described superposed signal includes the first signal section and secondary signal part；
Extraction module, for from described superposed signal, extracts described first signal section and/or secondary signal part；
Subsequent treatment module, for performing subsequent treatment to described first signal section and/or described secondary signal part.
54. signal processing apparatus according to claim 53, it is characterised in that
Described superposed signal is analogue signal, and in described superposed signal, described first signal section and described secondary signal are partially in different frequency ranges；
Described extraction module is used for,
Described superposed signal is performed Filtering Processing, to obtain described first signal section and/or secondary signal part.
55. signal processing apparatus according to claim 54, it is characterised in that
Described physical port is for transmitting the L channel port of audio signal and R channel port；
Described first signal section is analogue signal；
Described secondary signal part is audio signal, including left channel audio signal part and right channel audio signal part.
56. signal processing apparatus according to claim 55, it is characterised in that
Described first signal section includes the first analog control signal part and the second analog control signal part,
Described extraction module is used for,
It is filtered respectively processing to described L channel port and described R channel port, obtains described first analog control signal part and described second analog control signal part respectively.
57. signal processing apparatus according to claim 56, it is characterised in that
Described subsequent treatment module is used for,
Identify the phase state combination of described first analog control signal part and the second analog control signal part, combine executive control operation according to described phase state.
58. signal processing apparatus according to claim 57, it is characterised in that
The combination of described phase state include in following phase state at least one:
Described first analog control signal part is identical with described second analog control signal fractional phase；
Described first analog control signal part is different with described second analog control signal fractional phase.
59. signal processing apparatus according to claim 57, it is characterised in that
The combination of described phase state include in following phase state at least one:
Described first analog control signal part is identical with described second analog control signal fractional phase；
The phase place of the most described second analog control signal part of phase place of described first analog control signal part；
The phase place of the second analog control signal part described in the delayed phase of described first analog control signal part.
60. signal processing apparatus according to claim 57, it is characterised in that
Described phase combination includes at least one in following phase state:
Described first analog control signal part is identical with the phase place of the second analog control signal part；
One or more predetermined phases of the phase place of the advanced or delayed second analog control signal part of phase place of described first analog control signal part.
61. signal processing apparatus according to claim 55, it is characterised in that
Described extraction module is used for,
To described L channel port and described R channel port, one of them is filtered processing, and obtains described first signal section.
62. according to the arbitrary described signal processing apparatus of claim 55 to 61, it is characterised in that
The frequency range of described first signal section is in outside the frequency range of the audio signal that human ear can be heard,
Described subsequent treatment module is additionally operable to,
As audio signal, described superposed signal is sent into audio-frequence player device play out.
CN201610249283.2A 2016-04-20 2016-04-20 Signal processing method and device Pending CN105847454A (en)

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Application publication date: 20160810