CN107424638A - A kind of audio play control method of car-mounted terminal, apparatus and system - Google Patents
A kind of audio play control method of car-mounted terminal, apparatus and system Download PDFInfo
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- CN107424638A CN107424638A CN201610349625.8A CN201610349625A CN107424638A CN 107424638 A CN107424638 A CN 107424638A CN 201610349625 A CN201610349625 A CN 201610349625A CN 107424638 A CN107424638 A CN 107424638A
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- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10018—Improvement or modification of read or write signals analog processing for digital recording or reproduction
- G11B20/10027—Improvement or modification of read or write signals analog processing for digital recording or reproduction adjusting the signal strength during recording or reproduction, e.g. variable gain amplifiers
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Abstract
A kind of audio play control method of car-mounted terminal, apparatus and system, methods described include：When there is the first source of sound interface for detecting the car-mounted terminal source of sound to connect and switch to the voice-grade channel of the first source of sound interface, the audio input from the first source of sound interface is determined whether, wherein：The broadcasting priority of the first source of sound interface is higher than other source of sound interfaces；When confirming audio input of the nothing from the first source of sound interface, continue to play the audio from other source of sound interfaces played before the first source of sound interface connection source of sound of the car-mounted terminal.There can be source of sound connection and after switching to the voice-grade channel of the first source of sound interface detect the first source of sound interface using such scheme, still can play the audio of other sources of sound.
Description
Technical field
The present invention relates to car-mounted terminal field, more particularly to a kind of audio play control method of car-mounted terminal, device and
System.
Background technology
In internet, the electronic equipment such as epoch, smart mobile phone of rapid development is more and more common, meanwhile, by feat of free and
The application of function software on the mobile terminals such as the features such as timely, smart mobile phone is updated more to be used by user is driven.Because valency
Lattice advantage, the vehicle entertainment system of low side are also more generally present, but the vehicle entertainment system does not have movement eventually
The function of application of function software on end.Therefore more universal phenomenon is exactly to be made using some application of function of mobile terminal
, can be by mobile terminal and the vehicle-mounted joy for vehicle-mounted application of function, and in order to avoid function reports the problem of sound is too small
Music system is connected with each other by a certain source of sound interface so that moves terminal by the internal loudspeaker in vehicle entertainment system
Application of function report.
At present, if the audio from non-a certain source of sound interface is currently played in car-mounted terminal, once car-mounted terminal
When detecting that there is source of sound to connect and switch to the voice-grade channel of the first source of sound interface for a certain source of sound interface, just always
Play the audio of the source of sound from a certain source of sound interface.
But in this case, can cause detect a certain source of sound interface have source of sound connect and switch
To the voice-grade channel of a certain source of sound interface, the audio of the source of sound from other interfaces can not be played.
The content of the invention
The present invention solves the problems, such as be how detect a certain source of sound interface have source of sound connect and described in switching to certain
After the voice-grade channel of one source of sound interface, the audio of other sources of sound still can be played.
To solve the above problems, the embodiments of the invention provide a kind of audio play control method of car-mounted terminal, it is described
Method includes：When there is the first source of sound interface for detecting the car-mounted terminal source of sound to connect and switch to the first source of sound interface
Voice-grade channel when, determine whether the audio input from the first source of sound interface, wherein：The first source of sound interface
Play priority and be higher than other source of sound interfaces；When confirming audio input of the nothing from the first source of sound interface, continue to play
The audio from other source of sound interfaces played before the first source of sound interface connection source of sound of the car-mounted terminal.
Alternatively, the first source of sound interface include it is following any one：AUX sources of sound interface, bluetooth, radio source of sound connect
Mouth, storage device source of sound interface.
Alternatively, methods described also includes：When confirming to have the audio input from the first source of sound interface, stop broadcasting
The audio from other source of sound interfaces played before the first source of sound interface connection source of sound of the car-mounted terminal is placed on, is played
Audio from the first source of sound interface.
Alternatively, after the audio of the broadcasting from the first source of sound interface, methods described also includes：When default
Duration in when being not detected by the audio input from the first source of sound interface, continue to play the first of the car-mounted terminal
The audio from other source of sound interfaces played before source of sound interface connection source of sound.
Alternatively, methods described also includes：When confirming to have the audio input from the first source of sound interface, broadcast simultaneously
Put and come from from the first source of sound interface with what is played before the first source of sound interface of the car-mounted terminal is connected source of sound
The audio of other source of sound interfaces；Wherein：Play before the first source of sound interface in the car-mounted terminal connects source of sound and broadcast
The volume for the audio from other source of sound interfaces put is less than audio of the broadcasting from the first source of sound interface.
The embodiments of the invention provide a kind of audio broadcast control device of car-mounted terminal, described device includes：First connects
Unit is received, the first detection signal that there is the first source of sound interface of the car-mounted terminal source of sound to connect is characterized suitable for receiving；Switching
Unit, suitable for switching voice-grade channel；Second receiving unit, have audio defeated suitable for characterizing the first source of sound interface suitable for receiving
The second detection signal entered；First judging unit, suitable for when first receiving unit receive the first detection signal and
When the switch unit switches to the voice-grade channel of the first source of sound interface, judge whether second receiving unit receives
Second detection signal；Control unit, suitable for determining that second receiving unit does not receive when first judging unit
During second detection signal, the first control signal is exported, first control signal, which is suitable to indicate that, to be continued to play in the car
The audio from other source of sound interfaces played before the first source of sound interface connection source of sound of mounted terminal；Wherein：Described first
The broadcasting priority of source of sound interface is higher than other source of sound interfaces.
Alternatively, the first source of sound interface include it is following any one：AUX sources of sound interface, bluetooth, radio source of sound connect
Mouth, storage device source of sound interface.
Alternatively, described control unit, it is further adapted for when first judging unit determines that second receiving unit receives
During to second detection signal, the second control signal is exported, second control signal is suitable to indicate that stopping is played described
The audio from other source of sound interfaces played before the first source of sound interface connection source of sound of car-mounted terminal, is played from described
The audio of first source of sound interface.
Alternatively, described device also includes：Timing unit, described first is come from suitable for being played in described control unit instruction
After the audio of source of sound interface, when first judging unit determines that second receiving unit does not receive second detection
Signal rises, and starts timing, until first judging unit determines that second receiving unit receives second inspection again
Survey signal, the duration that timing result is obtained as timing；Second judging unit, suitable for judge that the timing unit obtains when
Whether length exceedes default duration；Described control unit, it is further adapted for when second judging unit determines that the timing unit obtains
When the duration arrived is more than the default duration, the 3rd control signal is exported, the 3rd control signal, which is suitable to indicate that, to be continued to broadcast
It is placed on the audio from other source of sound interfaces played before the first source of sound interface connection source of sound of the car-mounted terminal.
Alternatively, described control unit, it is further adapted for when first judging unit determines that second receiving unit receives
During to second detection signal, control the 4th control signal of output, the 4th control signal, which is suitable to indicate that while played, to be come
Coming from for being played from the first source of sound interface and before the first source of sound interface connection source of sound of the car-mounted terminal is other
The audio of source of sound interface；Wherein：What the first source of sound interface in the car-mounted terminal was played before connecting source of sound comes from
The broadcast sound volume of the audio of other source of sound interfaces is less than the broadcast sound volume of the audio from the first source of sound interface.
The embodiments of the invention provide a kind of audio broadcasting control system of car-mounted terminal, the system includes：Above institute
The audio broadcast control device for any car-mounted terminal stated；First source of sound interface；Other source of sound interfaces；First source of sound connects
The broadcasting priority of mouth is higher than other source of sound interfaces；Loudspeaker, suitable for playing from the first source of sound interface and described
The audio of other source of sound interfaces；First source of sound interface detection unit, and other source of sound interfaces respectively with the car-mounted terminal
Audio broadcast control device coupling, other source of sound interfaces and the first source of sound interface detection unit are raised with described respectively
Sound device couples；The first source of sound interface detection unit, is adapted to detect for the audio input from the first source of sound interface, and defeated
Enter to the audio broadcast control device.
Alternatively, the first source of sound interface include it is following any one：AUX sources of sound interface, bluetooth, radio source of sound connect
Mouth, storage device source of sound interface.
Alternatively, the system also includes：Audio signal processing unit, coupled with the loudspeaker, suitable for being raised described
Before sound device plays the audio from the first source of sound interface and other source of sound interfaces, the audio is handled.
Compared with prior art, technical scheme has advantages below：
Although the broadcasting priority of the first source of sound interface is higher than other source of sound interfaces, the first of car-mounted terminal is being detected
There is source of sound to connect and switch to the voice-grade channel of the first source of sound interface for source of sound interface, but confirm that nothing comes from first sound
During the audio input of source interface, continue to play what is played before the first source of sound interface connection source of sound of the car-mounted terminal
Audio from other source of sound interfaces, so as to detect that the first source of sound interface there is source of sound to connect and switches to described the
After the voice-grade channel of one source of sound interface, the audio of other sources of sound still can be played, therefore audio playing efficiency can be improved, is lifted
Consumer's Experience.
Further, when confirming to have the audio input from the first source of sound interface, by stopping playing in the car
The audio from other source of sound interfaces played before the first source of sound interface connection source of sound of mounted terminal, then play and come from institute
The audio of the first source of sound interface is stated, it is manually operated without user, but automatically switch, and ensure the sound of the first source of sound interface
Frequency can be played preferentially.
Further, when confirming to have the audio input from the first source of sound interface, by playing from described simultaneously
First source of sound interface connects with what is played before the first source of sound interface of the car-mounted terminal is connected source of sound from other sources of sound
The audio of mouth, and the broadcast sound volume of the audio of the first source of sound interface is more than the audio of other source of sound interfaces, it is different by setting
Volume, the audio of two source of sound interfaces can be avoided to interfere so that user listens to the audio of two source of sound interfaces simultaneously.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of the audio play control method of car-mounted terminal in the embodiment of the present invention；
Fig. 2 is a kind of structural representation of the audio broadcast control device of car-mounted terminal in the embodiment of the present invention；
Fig. 3 is a kind of structural representation of the audio control system of car-mounted terminal in the embodiment of the present invention；
Fig. 4 is the structural representation of the audio control system of another car-mounted terminal in the embodiment of the present invention.
Embodiment
In internet, the electronic equipment such as epoch, smart mobile phone of rapid development is more and more common, meanwhile, by feat of free and
The navigation software on the mobile terminals such as the features such as timely, smart mobile phone is updated more to be used by user is driven.Because price is excellent
Gesture, the vehicle entertainment system of low side are also more generally present, but the vehicle entertainment system does not have some functions and answered
With, such as navigation feature.Therefore more universal phenomenon is exactly that the navigation using mobile terminals such as smart mobile phones is led as vehicle-mounted
Boat, but in the navigation procedure of the mobile terminals such as smart mobile phone, because navigation hint sound comes from the mobile terminals such as smart mobile phone,
Therefore the usual very little of volume, along with in-car and pass-by noise influence, user is driven in driving procedure, it is more likely that can not listen
The report clearly navigated.The mobile terminals such as smart mobile phone are typically passed through into a certain source of sound interface, such as AUX sources of sound interface or indigo plant
Tooth (Bluetooth, BT) is connected with vehicle entertainment system so that is navigated by the internal loudspeaker in vehicle entertainment system
Report, with avoid navigation report sound it is too small the problem of.
At present, if the audio from non-a certain source of sound interface is currently played in car-mounted terminal, once car-mounted terminal
When detecting that there is source of sound to connect and switch to the voice-grade channel of a certain source of sound interface for a certain source of sound interface, just always
Play the audio of the source of sound from a certain source of sound interface.
But in this case, it can cause detecting connecting and switching to described with source of sound for a certain interface
After the voice-grade channel of a certain source of sound interface, the audio of the source of sound from other interfaces can not be played.
To solve the above problems, the embodiments of the invention provide the audio play control method of car-mounted terminal, this is being used
During control method, although the broadcasting priority of the first source of sound interface is higher than other source of sound interfaces, car-mounted terminal is being detected
There is source of sound to connect and switch to the voice-grade channel of the first source of sound interface for first source of sound interface, but confirm without from described the
During the audio input of one source of sound interface, continue to play and broadcast before the first source of sound interface connection source of sound of the car-mounted terminal
The audio from other source of sound interfaces put, so as to detect that the first source of sound interface there is source of sound to connect and switches to institute
After the voice-grade channel for stating the first source of sound interface, the audio of other sources of sound still can be played, therefore audio playing efficiency can be improved,
Lift Consumer's Experience.
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
A kind of schematic flow sheet of the audio play control method of car-mounted terminal in the embodiment of the present invention is shown below,
As shown in figure 1, the control method may include steps of：
S11：Whether the first source of sound interface for detecting the car-mounted terminal has source of sound connection, and switches to first sound
The voice-grade channel of source interface.
It should be noted that after source of sound is attached by the first source of sound interface and the car-mounted terminal, can
In a manner of by automatic switchover or manual switching, to switch to the voice-grade channel of the first source of sound interface.
In an embodiment of the present invention, car-mounted terminal can be vehicle entertainment system.
It should be noted that the broadcasting priority of the first source of sound interface is higher than other source of sound interfaces.Specific
In implementation, those skilled in the art according to being actually needed, can select the first source of sound interface of suitable type, such as described first
Source of sound interface can be AUX source of sound interfaces, or bluetooth, can also be radio source of sound interface, or storage is set
Standby source of sound interface.The particular type of the first source of sound interface, any restrictions are not formed to the present invention.For a vehicle-mounted end
For end, once it is determined that first source of sound interface, comparatively, the other port with car-mounted terminal coupling,
For other ports.Such as if the first source of sound interface on a car-mounted terminal is AUX source of sound interfaces, and with the vehicle-mounted end
End coupling also has radio source of sound interface and bluetooth source of sound interface, then for AUX source of sound interfaces, the radio sound
Source interface and bluetooth source of sound interface are other source of sound interfaces, and for the car-mounted terminal, AUX source of sound interfaces have highest
Play priority.
When the first source of sound interface for detecting the car-mounted terminal has source of sound connection, and switch to the first source of sound interface
Voice-grade channel when, perform S12；Conversely, terminate flow.
S12：Determine whether the audio input from the first source of sound interface.
In specific implementation, in order to improve the audio playing efficiency of car-mounted terminal, the first source of sound interface tool is being confirmed
When having source of sound connection, and switching to the voice-grade channel of the first source of sound interface, it can be determined that whether have from described first
The audio input of source of sound interface.
When being not detected by the audio input from the first source of sound interface, S13 is performed, conversely, S14 can be performed.
S13：Continue to play played before the first source of sound interface connection source of sound of the car-mounted terminal from other
The audio of source of sound interface.
In specific implementation, when confirming audio input of the nothing from the first source of sound interface, broadcasting can be continued and existed
The audio from other source of sound interfaces played before the first source of sound interface connection source of sound of the car-mounted terminal.Such one
Come, it is possible to detecting that the first source of sound interface there is source of sound to connect and switches to the voice-grade channel of the first source of sound interface
Afterwards, the audio of other sources of sound can still be played, that is to say, that although there is the first source of sound interface highest to play preferentially
Level, but when it does not have audio input and played out to the car-mounted terminal, it is other than the low audio of priority still
It can play, therefore the playing efficiency of car-mounted terminal can be improved.
S14：What stopping broadcasting being played before the first source of sound interface connection source of sound of the car-mounted terminal comes from other
The audio of source of sound interface, play the audio from the first source of sound interface.
In specific implementation, the first source of sound interface can be arranged to priority highest source of sound interface, described
Car-mounted terminal has several source of sound interfaces to connect simultaneously, has been switched to voice-grade channel corresponding to the first source of sound interface and several
It is preferential to play the audio from the first source of sound interface after source of sound has audio input.
In an embodiment of the present invention, when confirming to have the audio input from the first source of sound interface, can stop
The audio from other source of sound interfaces played before the first source of sound interface connection source of sound of the car-mounted terminal is played, only
It is to play the audio from the first source of sound interface, can so allows driving user to understand and know from described first
The audio-frequency information of source of sound interface.
In an alternative embodiment of the invention, in order that must drive user is knowing the audio-frequency information of the first source of sound interface
While, moreover it is possible to using the audio from other source of sound interfaces as background, for example driver comes from first source of sound listening to
While the navigation information of interface, the music from other source of sound interfaces is can listen to, is confirming have from first sound
During the audio input of source interface, it can control while play from the first source of sound interface and the first of the car-mounted terminal
The audio from other source of sound interfaces played before source of sound interface connection source of sound, but play described in the car-mounted terminal
The first source of sound interface connection source of sound before the volume of the audio from other source of sound interfaces that is played, come from institute than playing
It is low to state the volume of the audio of the first source of sound interface, the low degree of the volume, those skilled in the art can set as needed
Put.
In specific implementation, in order to avoid the playback equipment on car-mounted terminal is always by from the first source of sound interface
Shared by audio, audio input can be also constantly detected whether after the audio from the first source of sound interface is played,
And in default duration, when not detecting the audio input from the first source of sound interface, continue to allow the car
The broadcasting of the audio from other source of sound interfaces played before the first source of sound interface connection source of sound of mounted terminal.By this
Method, it is possible to avoid after the playback component on car-mounted terminal commences play out the audio from the first source of sound interface,
The problem of audio from other source of sound interfaces can not just be played.
It is also provided below to realize above-mentioned car to cause those skilled in the art to more fully understand and realizing the present invention
The device of the audio play control method of mounted terminal, i.e. audio broadcast control device can use the audio in above-described embodiment to broadcast
Place control method, it is controlled to be played to audio.As shown in Fig. 2 described device can include：First receiving unit 21, cut
Unit 22, the second receiving unit 23, the first judging unit 24 and control unit 25 are changed, wherein：
First receiving unit 21, there is source of sound connection suitable for receiving the first source of sound interface for characterizing the car-mounted terminal
First detection signal；
The switch unit 22, suitable for switching voice-grade channel；
Second receiving unit 23, have the second of audio input suitable for characterizing the first source of sound interface suitable for receiving
Detection signal；
First judging unit 24, suitable for receiving the first detection signal and institute when first receiving unit 21
When stating switch unit 22 and switching to the voice-grade channel of the first source of sound interface, judge whether second receiving unit 23 receives
To second detection signal；
Described control unit 25, suitable for determining that second receiving unit 23 does not receive when first judging unit 24
During second detection signal, the first control signal is exported, first control signal, which is suitable to indicate that, to be continued to play in the car
The audio from other source of sound interfaces played before the first source of sound interface connection source of sound of mounted terminal；Wherein：Described first
The broadcasting priority of source of sound interface is higher than other source of sound interfaces.
From the foregoing, it will be observed that by using the device in the embodiment of the present invention, although the broadcasting priority of the first source of sound interface is high
In other source of sound interfaces, but when the first judging unit determines that the second receiving unit does not receive the second detection signal, control is single
Member still exports the first control signal, continues to play before the first source of sound interface connection source of sound of the car-mounted terminal with instruction
The audio from other source of sound interfaces played, so as to detect the first source of sound interface have source of sound connect and switch
To the voice-grade channel of the first source of sound interface, the audio of other sources of sound still can be played, therefore audio broadcasting can be improved
Efficiency, lift Consumer's Experience.
Specifically, the so-called first source of sound interface is the source of sound interface for playing highest priority, that is to say, that
When multiple source of sound interfaces have audio input, the audio from the first source of sound interface can be preferentially played.According to being actually needed,
Those skilled in the art can select different source of sound interfaces as the first source of sound interface, for example can connect AUX sources of sound
Mouth is used as the first source of sound interface, can also can also connect radio source of sound using bluetooth as the first source of sound interface
Mouth is used as the first source of sound interface, can also be using storage device source of sound interface as the first source of sound interface.
In an embodiment of the present invention, described control unit 25, it is further adapted for when described in first judging unit 24 determination
When second receiving unit 23 receives second detection signal, the second control signal is exported, second control signal is suitable to
What instruction stopping broadcasting being played before the first source of sound interface connection source of sound of the car-mounted terminal comes from other source of sound interfaces
Audio, play the audio from the first source of sound interface.Because the first source of sound interface priority is higher, to a certain degree
Upper audio of the expression from the first source of sound interface is more important, therefore so, it is possible to avoid missing described in more
Aggravate the broadcasting of audio wanted.
In an alternative embodiment of the invention, for the more preferable audio playing function for efficiently utilizing car-mounted terminal, the control
Device can also include：The judging unit 27 of timing unit 26 and second, wherein：The timing unit 26, suitable in the control
After the instruction of unit 25 plays the audio from the first source of sound interface, when first judging unit 24 determines described second
Receiving unit 23 does not receive second detection signal and risen, and starts timing, until described in first judging unit 24 determination
Second receiving unit 23 receives second detection signal, the duration that timing result is obtained as timing again；Described
Two judging units 27, suitable for judging whether the duration that the timing unit 26 obtains exceedes default duration；Described control unit
25, it is further adapted for when second judging unit 27 determines that the duration that the timing unit 26 obtains is more than the default duration
When, the 3rd control signal is exported, the 3rd control signal, which is suitable to indicate that, to be continued to play the first source of sound in the car-mounted terminal
The audio from other source of sound interfaces played before interface connection source of sound.So, can avoid once having begun to
After playing the audio from first source of sound, the problem of can not just playing the audio from other sources of sound, with effective use car
The audio playing function of mounted terminal.
In an alternative embodiment of the invention, listened in order that user must be driven from the relative of the first source of sound interface
While important audio, additionally it is possible to which the audio from other source of sound interfaces is listened in enjoyment, described control unit 25, is further adapted for working as
When first judging unit 24 determines that second receiving unit 23 receives second detection signal, control output the 4th
Control signal, the 4th control signal are suitable to indicate that while played from the first source of sound interface and in the car-mounted terminal
The first source of sound interface connection source of sound before the audio from other source of sound interfaces that is played；Wherein：It is described described vehicle-mounted
The broadcast sound volume of the audio from other source of sound interfaces played before the first source of sound interface connection source of sound of terminal is less than next
From the broadcast sound volume of the audio of the first source of sound interface.
To cause those skilled in the art to more fully understand and realizing the present invention, the following provide in the embodiment of the present invention
The audio broadcasting control system of car-mounted terminal, the audio that the system can include above-described any car-mounted terminal play
Control device, the first source of sound interface, other source of sound interfaces, the first source of sound interface detection unit and suitable for play come from described first
The loudspeaker of the audio of source of sound interface and other source of sound interfaces.Wherein：The broadcasting priority of the first source of sound interface is high
In other source of sound interfaces, that is to say, that there are several source of sound interfaces to connect simultaneously in the car-mounted terminal, have been switched to institute
State after voice-grade channel and several sources of sound have audio input corresponding to the first source of sound interface, preferential play comes from first source of sound
The audio of interface.And the first source of sound interface and other source of sound interfaces play with the audio of the car-mounted terminal respectively
Control device couples, and other source of sound interfaces and the first source of sound interface detection unit couple with the loudspeaker respectively；
The first source of sound interface detection unit, the audio input from the first source of sound interface is adapted to detect for, and inputted to described
Audio broadcast control device.
In an embodiment of the present invention, in order to lift the quality of audio broadcasting, the system can also include：Audio signal
Processing unit, the audio signal processing unit can be coupled with the loudspeaker, and institute is come from suitable for being played in the loudspeaker
Before the audio for stating the first source of sound interface and other source of sound interfaces, the audio is handled, the main bag of processing
Include the amplification to audio power.Also, the real work parameter of the audio signal processing unit may be entered according to usage scenario
Row adjustment, such as the difference according to usage scenario, can adjust high frequency of the audio signal processing unit respectively to audio, in
Frequency either do pointedly enhancing or weaken by low frequency part.
In specific implementation, according to being actually needed, those skilled in the art can select different source of sound interfaces as institute
State the first source of sound interface, for example, can using AUX sources of sound interface as the first source of sound interface, bluetooth can also be used as described in
First source of sound interface, can also be using radio source of sound interface as the first source of sound interface, can also be by storage device source of sound
Interface is as the first source of sound interface.
It is understood that on a car-mounted terminal, typically there was only a first source of sound interface.Implement in the present invention one
In example, the first source of sound interface is AUX source of sound interfaces, and correspondingly, the first source of sound interface detection unit is examined for AUX sources of sound
Survey unit.
It is AUX sounds in the first source of sound interface to cause those skilled in the art to more fully understand and realizing the present invention
During source interface, below in conjunction with a kind of audio broadcasting control system knot of car-mounted terminal in the embodiment of the present invention shown in Fig. 3
Structure schematic diagram, said system to be introduced：
In specific implementation, the audio broadcasting control system of car-mounted terminal can include various tone sources interface, such as AUX sources of sound
Interface 31, radio source of sound interface 34, USB/SD sources of sound interface 35 and other source of sound interfaces 36, controller 32 and loudspeaker 38
Deng, by these source of sound interfaces can respectively with corresponding source of sound connect.Connected in corresponding source of sound and switch to institute in selection
When stating source of sound passage corresponding to source of sound interface, the controller 32 is the controllable loudspeaker 38 by the vehicle entertainment system
Play the audio of the source of sound.
In order to realize that the audio of multiple source of sound interfaces can play simultaneously, can be set in the audio broadcasting control system
AUX detection units 33 are put, wherein：The AUX detection units 33, twin wire universal serial bus (Inter- can be passed through
Integrated Circuit, I2C), universal asynchronous receiving-transmitting transmitter (Universal Asynchronous Receiver/
Transmitter, UART) or Serial Peripheral Interface (SPI) (Serial Peripheral Interface, SPI) and controller 32
Communication is established, the AUX sources of sound interface 31 for being adapted to detect for characterizing the car-mounted terminal has the detection signal of source of sound connection, and transmits
To the controller 32, then under the control of the controller 32, detection, which characterizes the AUX sources of sound interface 31, has audio defeated
The detection signal entered, also transmit to the controller 32.
For example when the AUX detection units 33 detect AUX analog signal input, controller 32, institute are informed in communication
Stating control 32 can be according to the analog signal, it is determined that there is the audio input from AUX COBBAIFs.Matter is played to improve audio
Amount, the system can also include：Audio signal processing unit 37, it is connected, fits with AUX detection units 33 and loudspeaker 38 respectively
In to be handled by the audio that loudspeaker 38 plays.
So, if user needs to use the navigation feature of the mobile terminals such as mobile phone, and it is desirable that raised one's voice by described
When device 38 plays back, the mobile terminals such as mobile phone can be connected by the user with the AUX sources of sound interface 31, then described
AUX detection units 33 are the detectable signal for characterizing the AUX sources of sound interface 31 and there is source of sound to connect, because AUX sources of sound connect
For the car-mounted terminal, there is mouth 31 highest to play priority, therefore afterwards may be by driving user or the control
Device 32 switches to the voice-grade channel of AUX sources of sound interface 31, and then AUX detection units 33 can be connect with cycle detection from AUX sources of sound
Analog signal input is reported in the navigation of mouth 31.If detect that analog signal is reported in the navigation not from AUX sources of sound interface 31
During input, the controller 32 is informed in communication, and controller 32 can control vehicle entertainment system to continue to play by loudspeaker 38
From the radio source of sound interface 34, USB/SD sources of sound interface 35, other source of sound interfaces 36 audio.
When needing to report if the navigation information from AUX sources of sound interface 31, i.e., AUX detection units 33 detect navigation
When reporting analog signal input, the controller 32 can control plays leading from AUX sources of sound interface 31 by loudspeaker 38
Boat information, and predetermined control strategy is taken to the audio from other source of sound interfaces.And come from AUX sources of sound commencing play out
After the navigation information of interface 31, the AUX detection units 33 also constantly monitor its broadcast state, if the controller 32 is sentenced
It is scheduled in default duration, the AUX detection units 33 are not detected by the navigation from AUX sources of sound interface 31 and report simulation letter
Number input, it is described control 32 can be restarted with controlling loudspeaker 38 play from the radio source of sound interface 34, USB/SD
The audio of source of sound interface 35, other source of sound interfaces 36.
In specific implementation, the predetermined control strategy can be that directly stopping comes from used by the controller 32
The radio source of sound interface 34, USB/SD sources of sound interface 35, other source of sound interfaces 36 audio broadcasting.Vehicle entertainment system
Beyond audio in addition to AUX sources of sound interface 31, can only at most there is a kind of audio of source of sound interface to be in broadcast state, thus it is described
The control strategy of agreement can also be to reduce from the radio source of sound interface 34, USB/SD sources of sound interface 35, other sources of sound
The broadcast sound volume of the audio of interface 36, as long as its broadcasting, which does not influence driving user, listens to the sound from the AUX sources of sound interface 31
Frequency.
In specific implementation, in order that vehicle entertainment system more hommization is obtained, can be to the vehicle entertainment system system
Fixed two kinds of audio broadcast strategy patterns are for switching：a：Conventional audio play mode, AUX detection units 33 do not work, now may be used
To be switched over manually in vehicle entertainment system between each source of sound, can not be played simultaneously between different sources of sound, and do not do mixed
Sound processing.b：The preferential play mode of AUX audio mixings, now AUX detection units 33 work.
In an alternative embodiment of the invention, the first source of sound interface is bluetooth, accordingly, the first source of sound interface
Detection unit is bluetooth detection unit.To cause those skilled in the art to more fully understand and realizing the present invention, described first
When source of sound interface is bluetooth, control is played below in conjunction with a kind of audio of car-mounted terminal in the embodiment of the present invention shown in Fig. 4
System, said system to be introduced：
In specific implementation, the audio broadcasting control system of car-mounted terminal can include various tone sources interface, such as bluetooth sound
Source interface 41, radio source of sound interface 44, USB/SD sources of sound interface 45 and other source of sound interfaces 46, controller 42 and loudspeaker
48 etc., it can be connected respectively with corresponding source of sound by these source of sound interfaces.Connect in corresponding source of sound and switched in selection
Corresponding to the source of sound interface during source of sound passage, the controller 42 is the controllable loudspeaker by the vehicle entertainment system
48 play the audio of the source of sound.
In order to realize that the audio of multiple source of sound interfaces can play simultaneously, can be set in the audio broadcasting control system
Bluetooth detection unit 43 is put, wherein：The bluetooth detection unit 43, twin wire universal serial bus (Inter- can be passed through
Integrated Circuit, I2C), universal asynchronous receiving-transmitting transmitter (Universal Asynchronous Receiver/
Transmitter, UART) or Serial Peripheral Interface (SPI) (Serial Peripheral Interface, SPI) and controller 42
Communication is established, the bluetooth source of sound interface 41 for being adapted to detect for characterizing the car-mounted terminal has the detection signal of source of sound connection, and passes
The controller 42 is transported to, then under the control of the controller 42, detection, which characterizes the bluetooth source of sound interface 41, has sound
The detection signal of frequency input, is also transmitted to the controller 42.
For example when the bluetooth detection unit 43 detects the analog signal input of bluetooth, controller 42 is informed in communication,
The control 42 can be according to the analog signal, it is determined that there is the audio input from Bluetooth audio frequency interface.Played to improve audio
Quality, the system can also include：Audio signal processing unit 47, connect respectively with bluetooth detection unit 43 and loudspeaker 48
Connect, suitable for to be handled by the audio that loudspeaker 48 plays.
So, if user needs to use the navigation feature of the mobile terminals such as mobile phone, and it is desirable that raised one's voice by described
When device 48 plays back, the mobile terminals such as mobile phone can be connected by the user with the bluetooth source of sound interface 41, then described
Bluetooth detection unit 43 is the detectable signal for characterizing the bluetooth source of sound interface 41 and there is source of sound to connect, due to bluetooth source of sound
For the car-mounted terminal, there is interface 41 highest to play priority, therefore afterwards may be by driving user or the control
Device 42 processed switches to the voice-grade channel of bluetooth source of sound interface 41, and then bluetooth detection unit 43 can come from bluetooth sound with cycle detection
Analog signal input is reported in the navigation of source interface 41.
If detect that analog signal input is reported in the navigation not from bluetooth source of sound interface 41, communication is informed described
Controller 42, controller 42 can control vehicle entertainment system to continue broadcasting by loudspeaker 48 and be connect from the radio source of sound
Mouth 44, USB/SD sources of sound interface 45, the audio of other source of sound interfaces 46；If the navigation information from bluetooth source of sound interface 41
When needing to report, i.e., when bluetooth detection unit 43 detects that analog signal input is reported in navigation, the controller 42 can control
Navigation information from bluetooth source of sound interface 41 is played by loudspeaker 48, and the audio from other source of sound interfaces taken pre-
Fixed control strategy.And after the navigation information from bluetooth source of sound interface 41 is commenced play out, the bluetooth detection unit
43 also constantly monitor its broadcast state, if the controller 42 is judged in default duration, the bluetooth detection unit 43
It is not detected by the navigation from bluetooth source of sound interface 41 and reports analog signal input, the control 42 can be with controlling loudspeaker 48
Restart play from the radio source of sound interface 44, USB/SD sources of sound interface 45, other source of sound interfaces 46 audio.
In specific implementation, the predetermined control strategy can be that directly control stops used by the controller 42
From the radio source of sound interface 44, USB/SD sources of sound interface 45, other source of sound interfaces 46 audio broadcasting.And except indigo plant
Beyond audio outside tooth source of sound interface 41, vehicle entertainment system can only at most have a kind of audio of source of sound interface to be in activation shape
State, thus can also be reduce from the radio source of sound interface 44, USB/SD sources of sound interface 45, other source of sound interfaces 46 sound
The broadcast sound volume of frequency, as long as its broadcasting, which does not influence driving user, listens to the audio from the bluetooth source of sound interface 41.
In specific implementation, in order that vehicle entertainment system more hommization is obtained, can be to the vehicle entertainment system system
Fixed two kinds of audio broadcast strategy patterns are for switching：a：Conventional audio play mode, bluetooth detection unit 43 do not work, now may be used
To be switched over manually in vehicle entertainment system between each source of sound, can not be played simultaneously between different sources of sound, and do not do mixed
Sound processing.b：The preferential play mode of bluetooth audio mixing, now bluetooth detection unit 43 work.
Understand from the above mentioned, it is vehicle-mounted in the embodiment of the present invention on the basis of low side vehicle entertainment system price advantage
Entertainment systems change is that AUX/BT source of sound interfaces rear end installs source of sound detection unit additional, to differentiate AUX/BT audio input situations, is done
While to the audio for listening to other sources of sound, it can also intelligently switch to the navigation from AUX/BT interfaces and report, without leading
When boat is reported, the broadcasting of other sources of sound is nor affected on, therefore the cost of vehicle entertainment system can be reduced.And it can avoid
It is too small and the shortcomings that using other entertainment audios can not be listened to during Mobile Telephone Gps using sound during Mobile Telephone Gps, can be with
Improve the comfortableness driven.Moreover, report Mobile Telephone Gps to send by the loudspeaker of vehicle entertainment system, navigation is reported
It is more loud, while the frequency for driving user's viewing mobile phone is reduced, the risk taken a wrong way is reduced, navigation efficiency can be improved
And drive safety.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
To instruct the hardware of correlation to complete by program, the program can be stored in computer-readable recording medium, to store
Medium can include：ROM, RAM, disk or CD etc..
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art, this is not being departed from
In the spirit and scope of invention, it can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
The scope of restriction is defined.
Claims (13)
- A kind of 1. audio play control method of car-mounted terminal, it is characterised in that including：When there is the first source of sound interface for detecting the car-mounted terminal source of sound to connect and switch to the sound of the first source of sound interface During frequency passage, the audio input from the first source of sound interface is determined whether, wherein：The broadcasting priority of the first source of sound interface is higher than other source of sound interfaces；When confirming audio input of the nothing from the first source of sound interface, continue to play the first source of sound in the car-mounted terminal The audio from other source of sound interfaces played before interface connection source of sound.
- 2. the audio play control method of car-mounted terminal according to claim 1, it is characterised in that first source of sound connects Mouthful include it is following any one：AUX sources of sound interface, bluetooth, radio source of sound interface, storage device source of sound interface.
- 3. the audio play control method of car-mounted terminal according to claim 1, it is characterised in that also include：When confirming to have the audio input from the first source of sound interface, stop playing the first source of sound in the car-mounted terminal The audio from other source of sound interfaces played before interface connection source of sound, plays the sound from the first source of sound interface Frequently.
- 4. the audio play control method of car-mounted terminal according to claim 3, it is characterised in that the broadcasting comes from institute After the audio for stating the first source of sound interface, in addition to：When being not detected by the audio input from the first source of sound interface in default duration, continue to play in the car The audio from other source of sound interfaces played before the first source of sound interface connection source of sound of mounted terminal.
- 5. the audio play control method of car-mounted terminal according to claim 1, it is characterised in that also include：When confirm have the audio input from the first source of sound interface when, while play from the first source of sound interface with The audio from other source of sound interfaces played before the first source of sound interface connection source of sound of the car-mounted terminal；Wherein：Broadcast Put the audio from other source of sound interfaces played before the first source of sound interface connection source of sound of the car-mounted terminal Volume less than play the audio from the first source of sound interface.
- A kind of 6. audio broadcast control device of car-mounted terminal, it is characterised in that including：First receiving unit, the first detection that there is the first source of sound interface of the car-mounted terminal source of sound to connect is characterized suitable for receiving Signal；Switch unit, suitable for switching voice-grade channel；Second receiving unit, suitable for receiving the second detection signal for being suitable to sign the first source of sound interface and there is audio input；First judging unit, suitable for receiving the first detection signal and the switch unit is cut when first receiving unit When shifting to the voice-grade channel of the first source of sound interface, judge whether second receiving unit receives the second detection letter Number；Control unit, suitable for determining that second receiving unit does not receive the second detection letter when first judging unit Number when, export the first control signal, first control signal be suitable to indicate that continues play the car-mounted terminal the first sound The audio from other source of sound interfaces played before source interface connection source of sound；Wherein：The broadcasting of the first source of sound interface Priority is higher than other source of sound interfaces.
- 7. the audio broadcast control device of car-mounted terminal according to claim 6, it is characterised in that first source of sound connects Mouthful include it is following any one：AUX sources of sound interface, bluetooth, radio source of sound interface, storage device source of sound interface.
- 8. the audio broadcast control device of car-mounted terminal according to claim 6, it is characterised in that described control unit, It is further adapted for when first judging unit determines that second receiving unit receives second detection signal, output second Control signal, second control signal, which is suitable to indicate that, to be stopped playing the first source of sound interface connection source of sound in the car-mounted terminal The audio from other source of sound interfaces played before, plays the audio from the first source of sound interface.
- 9. the audio broadcast control device of car-mounted terminal according to claim 8, it is characterised in that also include：Timing unit, after indicating to play the audio from the first source of sound interface in described control unit, when described First judging unit determines that second receiving unit does not receive second detection signal and risen, and starts timing, until described First judging unit determines that second receiving unit receives second detection signal again, using timing result as timing Obtained duration；Second judging unit, suitable for judging whether the duration that the timing unit obtains exceedes default duration；Described control unit, is further adapted for that to determine that the duration that the timing unit obtains is more than described pre- when second judging unit If duration when, export the 3rd control signal, the 3rd control signal be suitable to indicate that continues play in the car-mounted terminal The audio from other source of sound interfaces played before first source of sound interface connection source of sound.
- 10. the audio broadcast control device of car-mounted terminal according to claim 6, it is characterised in that described control unit, It is further adapted for when first judging unit determines that second receiving unit receives second detection signal, control output 4th control signal, the 4th control signal are suitable to indicate that while played from the first source of sound interface and described vehicle-mounted The audio from other source of sound interfaces played before the first source of sound interface connection source of sound of terminal；Wherein：It is described described The broadcast sound volume of the audio from other source of sound interfaces played before the first source of sound interface connection source of sound of car-mounted terminal is low In the broadcast sound volume of the audio from the first source of sound interface.
- A kind of 11. audio broadcasting control system of car-mounted terminal, it is characterised in that including：The audio broadcast control device of any described car-mounted terminal of claim 6 to 10；First source of sound interface；Other source of sound interfaces；The broadcasting priority of the first source of sound interface is higher than other source of sound interfaces；Loudspeaker, suitable for playing the audio from the first source of sound interface and other source of sound interfaces；First source of sound interface detection unit, and other source of sound interfaces play control dress with the audio of the car-mounted terminal respectively Coupling is put, other source of sound interfaces and the first source of sound interface detection unit couple with the loudspeaker respectively；Described One source of sound interface detection unit, the audio input from the first source of sound interface is adapted to detect for, and inputs to the audio and broadcast Put control device.
- 12. the audio broadcasting control system of car-mounted terminal according to claim 11, it is characterised in that first source of sound Interface include it is following any one：AUX sources of sound interface, bluetooth, radio source of sound interface, storage device source of sound interface.
- 13. the audio broadcasting control system of car-mounted terminal according to claim 11, it is characterised in that also include：Audio Signal processing unit, coupled with the loudspeaker, suitable for being played in the loudspeaker from the first source of sound interface and described Before the audio of other source of sound interfaces, the audio is handled.
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