CN102355562A - Volume control method and equipment - Google Patents
Volume control method and equipment Download PDFInfo
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- CN102355562A CN102355562A CN2011102759709A CN201110275970A CN102355562A CN 102355562 A CN102355562 A CN 102355562A CN 2011102759709 A CN2011102759709 A CN 2011102759709A CN 201110275970 A CN201110275970 A CN 201110275970A CN 102355562 A CN102355562 A CN 102355562A
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Abstract
The embodiment of the invention relates to the field of electronic equipment, in particular to a volume control method and volume control equipment, which are used for solving the problem that the volume of sound signals output by a television cannot be automatically adjusted when the volume of the sound signals output by the television is increased or decreased suddenly in the prior art. The volume control method provided by the embodiment of the invention comprises the following steps of: determining a volume value of the received sound signals; comparing the volume value of the sound signals with a preset volume value range; and when the volume value of the received sound signals is out of the volume value range, adjusting the volume level of monitored equipment to make the adjusted volume value of the sound signals output by the monitored equipment within the volume value range. The embodiment of the invention can automatically adjust the volume level of the monitored equipment to make the adjusted volume value of the sound signals output by the monitored equipment within the volume value range, and also can set a threshold value of the volume value range according to needs.
Description
Technical field
The present invention relates to electronic device field, particularly a kind of method for controlling volume and equipment thereof.
Background technology
Raising along with people's living standard; Television set, DVD (Digital Versatile Disc; Digital versatile disc) etc. multimedia home electrical equipment has been come in the daily life; And becoming electronic equipment indispensable in people's daily life, people's free life has been enriched in the application of television set.The principle of present television for play TV programme is: radio frequency or digital signal through to input are carried out rectification, are separated audio-video signal; Transmission of sound signals to its inner voicefrequency circuit to play television field frame, is driven display unit to show television image with video signal transmission to its inner video circuit.
Because the program that television reception arrives is from different TV stations; The program source of TV station does not have general standard on processing sound; So just might there be very big difference in the volume of the TV programme of the different TV stations that television set receives; When usually can appear at switching TV channel, volume becomes big situation suddenly; Even same television channel, because the stability of the sound signal of different TV programme is different, same television channel is when playing different program; Also can there be very big difference in its volume; For example, when breaking for commercialsy, the volume of advertisement video might reach very big value; And for example, the volume value of current channel maybe be moderate, but when switching to another channel, the volume value of another channel may be very little.When the volume of the voice signal of television set output becomes big suddenly or diminishes, the volume value of television set output sound is regulated in the prior art through remote controller.
In sum, when the volume of the voice signal of television set output becomes big suddenly or diminishes, can't realize the volume of the voice signal of television set output is automatically adjusted.
Summary of the invention
The embodiment of the invention provides a kind of method for controlling volume and equipment thereof, is used for when the output volume of monitored equipment becomes big suddenly or diminishes, can regulating the output volume of monitored equipment automatically.
The embodiment of the invention provides a kind of method for controlling volume, comprising:
The volume value of the voice signal of confirming to receive; Wherein, said voice signal comprises the voice signal of monitored equipment output;
The volume value of said voice signal is compared with preset volume value scope; Wherein, said volume value scope is confirmed by first threshold value and second threshold value, and said first threshold value is greater than said second threshold value;
The volume value of said voice signal is regulated the level of sound volume of said monitored equipment outside said volume value scope the time, and the volume value of voice signal that makes the said monitored equipment output after the adjusting is within said volume value scope;
Wherein, the setting of said first threshold value and second threshold value comprises:
According to the threshold value regulating command of receiving, play the reference voice signal that is used for the adjustment doors limit value;
According to the volume value regulating command of receiving, the volume value of said reference voice signal is regulated;
Confirm instruction according to the threshold value of receiving, with the current volume value of said reference voice signal as said first threshold value or second threshold value.
The embodiment of the invention provides a kind of volume control apparatus, comprising:
Monitoring means is used to confirm the volume value of the voice signal received; Wherein, said voice signal comprises the voice signal of monitored equipment output;
Comparing unit is used for the volume value of said voice signal is compared with preset volume value scope; Wherein, said volume value scope is confirmed by first threshold value and second threshold value, and said first threshold value is greater than said second threshold value;
Regulon; Be used for volume value at said voice signal outside said volume value scope the time; Level of sound volume to said monitored equipment is regulated, and the volume value of voice signal that makes the said monitored equipment output after the adjusting is within said volume value scope;
The threshold value regulon is used for playing the reference voice signal that is used for the adjustment doors limit value according to the threshold value regulating command of receiving; According to the volume value regulating command of receiving, the volume value of said reference voice signal is regulated; Confirm instruction according to the threshold value of receiving, with the current volume value of said reference voice signal as said first threshold value or second threshold value.
The embodiment of the invention compares with preset volume value scope through the volume value of the voice signal that will receive; Can regulate the level of sound volume of monitored equipment automatically; The volume value of voice signal that makes the monitored equipment output after the adjusting is within the volume value scope; Thereby realized when the output volume of monitored equipment becomes big suddenly or diminishes (such as switching TV channel; Or same television channel is play different programs), the output volume value with monitored equipment is adjusted within the volume value scope of setting automatically.
Description of drawings
Fig. 1 is the structural representation of first kind of volume control apparatus of the embodiment of the invention;
Fig. 2 is the structural representation of second kind of volume control apparatus of the embodiment of the invention;
Fig. 3 is the structural representation of the third volume control apparatus of the embodiment of the invention;
Fig. 4 is the hardware circuit sketch map of the volume control apparatus of the embodiment of the invention;
Fig. 5 is the schematic flow sheet of the method for controlling volume of the embodiment of the invention;
Fig. 6 is the workflow sketch map of the volume control apparatus of the embodiment of the invention.
Embodiment
When the volume of the voice signal of television set output becomes big suddenly or diminishes, can't realize the volume of the voice signal of television set output is automatically adjusted in the background technology; The embodiment of the invention compares with preset volume value scope through the volume value of the voice signal that will receive; Can regulate the level of sound volume of monitored equipment automatically; The volume value of voice signal that makes the monitored equipment output after the adjusting is within the volume value scope; Thereby realized that volume at the voice signal of television set output becomes big suddenly or when diminishing, the volume of the voice signal of television set output has been automatically adjusted.
Monitored equipment in the embodiment of the invention can be multimedia playing apparatus such as television set, DVD (Digital Versatile Disc, digital versatile disc), set-top box.
Below in conjunction with Figure of description the embodiment of the invention is described in further detail.
A kind of volume control apparatus of the embodiment of the invention, as shown in Figure 1, volume control apparatus comprises:
Monitoring means 10 is used to confirm the volume value of the voice signal received; Wherein, voice signal comprises the voice signal of monitored equipment output;
Comparing unit 20 is used for the volume value of voice signal is compared with preset volume value scope; Wherein, the volume value scope is confirmed by first threshold value and second threshold value, and first threshold value is greater than second threshold value;
Regulon 30 is used for volume value at voice signal outside the volume value scope time, and the level of sound volume of monitored equipment is regulated, and the volume value of voice signal that makes the monitored equipment output after the adjusting is within the volume value scope;
The volume value of the voice signal of receiving is if equal first threshold value or second threshold value, and the volume value that can be used as this voice signal is within preset volume value scope.Certainly, also can set as required if equal first threshold value or second threshold value, as the volume value of this voice signal outside preset volume value scope.
Preferably, as shown in Figure 2, the volume control apparatus of the embodiment of the invention also comprises:
Concrete, in order to reach power saving effect, monitoring means 10 can adopt the intermittently used mode, promptly receives voice signal and calculating at monitoring means of a Preset Time internal trigger 10, and is not in running order always.The duration at intermittence of twice triggering also can be arranged to the different intermittent times as required; Such as, when long-time collection during less than voice signal, the monitoring gap can extend to 1min; And when collecting one relatively during the loud noise signal, the monitoring gap can shorten to a few tens of milliseconds, and when being in general intensity of sound, the monitoring gap can be set at 2s.
When the volume control apparatus of the embodiment of the invention is activated at trigger element 50, get into monitoring pattern work, promptly trigger 10 pairs of voice signals of monitoring means and gather; Monitoring means 10 inputs to comparing unit 20 with the volume value of the voice signal that collects, thereby triggers comparing unit 20 work; Comparing unit 20 compares the volume value of the voice signal received with preset volume value scope, and when the volume value of this voice signal is outside the volume value scope, trigger regulon 30 work, and the result that will compare inputs to regulon 30; Regulon 30 is regulated the level of sound volume of monitored equipment according to the comparative result of receiving, the volume value of voice signal that makes the monitored equipment output after the adjusting is within the volume value scope.
Need to prove that the volume control apparatus of the embodiment of the invention can be integrated in monitored equipment inside; Also can be independent of monitored equipment, be arranged at the outside of monitored equipment; Can also be arranged in the remote controller of monitored equipment.
The volume control apparatus of the embodiment of the invention also can be integrated in the electronic equipments such as mobile phone, panel computer; Such as a mobile phone with infrared receiving/transmission; Change and software development through suitable hardware; Can send the instruction of regulating the television set output volume to television set through the infrared transceiver module of mobile phone, make mobile phone have the function that the output volume of television set is regulated.
Need to prove, comprise the voice signal of monitored equipment output in the voice signal that volume control apparatus is received through monitoring means 10, also possibly also comprise the noise signal in the environment.
Preferably, do not comprise that the noise signal in the environment, monitoring means 10 also are used for the signal of telecommunication of the voice signal of receiving is carried out Filtering Processing in order to guarantee in the voice signal that monitoring means 10 receives as far as possible; Because the frequency of the voice signal of television set output generally between 100Hz～15KHz, can be fallen the target signal filter of other frequency ranges outside this frequency range, to guarantee the accuracy of sound signal collecting as far as possible;
Preferably; Compare for the ease of the signal of telecommunication of the voice signal that will receive and first threshold value and second threshold value; Monitoring means 10 also need carry out quantification treatment to the signal after the Filtering Processing; Obtain the volume value of this voice signal, and this volume value is inputed to comparing unit 20 compare.
Preferably; As shown in Figure 3; The volume control apparatus of the embodiment of the invention also comprises communication unit 60; Be used for the instruction of the adjusting level of sound volume of regulon 30 is sent to monitored equipment; This monitored equipment is through the instruction of the adjusting level of sound volume of its this volume control apparatus transmission of inner receiving element reception, and resolving should instruction and execution operation accordingly.
Modes such as concrete, that the communication unit 60 of the embodiment of the invention can adopt is infrared, bluetooth or radio communication, but need be corresponding with the receiving element of monitored equipment; For example, the receiving element of monitored equipment is an infrared receiving module, and then the communication unit 60 of the embodiment of the invention should be infrared transmission module, with communicating by letter between the volume control apparatus of realizing the embodiment of the invention and the monitored equipment.
Volume control apparatus with the embodiment of the invention is independent of the monitored equipment outside below, and monitored equipment is that television set is an example, and control is elaborated to volume; Volume control apparatus be integrated in monitored equipment, volume control apparatus be arranged in the remote controller of monitored equipment and monitored equipment similar for the control of the volume under the situation such as other multimedia playing apparatus with it, repeat no more here.
When within the volume value scope that the volume value of the voice signal of receiving is being set, comparing unit 20 does not trigger regulon 30 work; When outside the volume value scope that the volume value of the voice signal of receiving is being set, the level of sound volume that comparing unit 20 triggers 30 pairs of monitored equipments of regulons is regulated, and specifically comprises following two kinds of situation:
(1) at the volume value of the voice signal of receiving during greater than first threshold value, then the level of sound volume with monitored equipment reduces N
1Individual grade, the volume value that makes the voice signal of confirming after the level of sound volume that reduces monitored equipment is within the volume value scope;
Wherein, N
1It is positive integer.
The volume value of the voice signal of confirming by monitoring means 10 to receive, and this volume value inputed in the comparing unit 20 compare;
Comparing unit 20 obtains the result of the volume value of the current voice signal of receiving greater than first threshold value through this volume value and first threshold value and second threshold value are compared, and triggers regulon 30 work, and this comparative result is inputed to regulon 30;
Regulon 30 is according to the comparative result of receiving; Receiving element to television set sends the instruction that reduces level of sound volume, wherein, comprises the level of sound volume number that at every turn monitored equipment is reduced in this reduction level of sound volume instruction; This number is a positive integer, can set as required;
After the receiving element of television set was received the instruction of this reduction level of sound volume, resolving should instruction, and this instruction is inputed to the processor of television set, carried out the operation of corresponding reduction level of sound volume;
The volume value of the voice signal after the level of sound volume of the reduction monitored equipment of confirming to receive by monitoring means 10 again, and this volume value inputed in the comparing unit 20 compare;
Comparing unit 20 compares above-mentioned volume value and first threshold value and second threshold value, if this volume value, then triggers regulon 30 work still greater than first threshold value, and this comparative result is inputed to regulon; If this volume value in the volume value scope of setting, does not then trigger regulon 30 work;
If the volume value that reduces the voice signal after the level of sound volume for the first time is still greater than first threshold value; Then regulon 30 is according to the comparative result of receiving; Receiving element to television set sends the instruction that reduces level of sound volume once more, is carried out the operation that reduces level of sound volume for the second time by the processor of television set;
The rest may be inferred, until the volume value of the voice signal of confirming after the level of sound volume that reduces television set of receiving till within the volume value scope.
Be 90 decibels with first threshold value below, second threshold value is 80 decibels, and the volume value of the current voice signal of receiving is 100 decibels and for example the adjusting of the level of sound volume of monitored equipment is described.
Suppose level of sound volume of every adjusting in the television set, correspondence increases the output volume value of television set or reduces by 3 decibels on the basis of current volume value;
If indication reduces a grade with the level of sound volume of television set in the reduction level of sound volume instruction that regulon 30 sends; The volume value of the voice signal that receives for the first time is 100 decibels; The output volume value of the television set after reducing level of sound volume for the first time is 97 decibels; Because this volume value still greater than 90 decibels of first threshold value, then triggers and carries out reducing the second time level of sound volume operation; The output volume value of the television set after reducing level of sound volume for the second time is 94 decibels; Because this volume value is still greater than 90 decibels of first threshold value; Triggering reduces the level of sound volume operation for the third time; The rest may be inferred; The output volume value of the television set after the 4th reduction level of sound volume is 88 decibels; Reduce the level of sound volume instruction because this volume value in preset volume value scope, stops to send, promptly comparing unit 20 does not trigger regulon 30 work; At this moment, N
1Be 4.
If indication reduces Three Estate with the level of sound volume of television set in the reduction level of sound volume instruction that regulon 30 sends; The volume value of the voice signal that receives for the first time is 100 decibels; The output volume value of the television set after reducing level of sound volume for the first time is 91 decibels; Because this volume value still greater than 90 decibels of first threshold value, then triggers and carries out reducing the second time level of sound volume operation; The output volume value of the television set after reducing level of sound volume for the second time is 82 decibels, reduces the level of sound volume instruction because this volume value in preset volume value scope, stops to send, and promptly comparing unit 20 does not trigger regulon 30 work; At this moment, N
1Be 6.
If indication reduces by seven grades with the level of sound volume of television set in the reduction level of sound volume instruction that regulon 30 sends; The volume value of the voice signal that receives for the first time is 100 decibels; The output volume value of the television set after reducing level of sound volume for the first time is 79 decibels; Because this volume value less than 80 decibels of second threshold value, then triggers and carries out increasing the first time level of sound volume operation; The output volume value of the television set after increasing level of sound volume for the first time is 100 decibels, because this volume value then triggers again and reduces the level of sound volume operation again greater than 90 decibels of first threshold value; Adjustment so repeatedly, then the output volume value of television set is unstable, in this case, can adjust and reduce the number of levels that indication in the level of sound volume instruction reduces the level of sound volume of television set or adjust first threshold value and the size of/the second threshold value.
Preferably; Regulon 30 also can be according to the comparative result of receiving; The difference of the volume value of the voice signal that calculating is received and first threshold value; Regulon 30 calculates the number of levels that needs are regulated according to this difference; And the instruction that will comprise the reduction level of sound volume of this number of levels sends to the receiving element of television set, carries out the operation that level of sound volume reduces the respective level number by television set; For example, the volume value of the current voice signal that receives is 100 decibels, and first threshold value is 90 decibels, and both differences are 10 decibels, then need reduce by 4 grades;
Need to prove; The number of levels that reduces according to the difference calculating needs of the volume value of the voice signal of receiving and first threshold value; If the numerical value that calculates is non-integer numerical value, then gives up fractional part, and integer part is added 1; For example; Difference is 10 decibels, and this difference obtains 3.33 after 3 decibels, then give up 0.33 fractional part; And its integer part 3 is added 1 handle, the number of levels that obtains is 4.
Generally, each lower level television volume level corresponding to a reduced volume (measured in dB) according to the manufacturer or the model, which set the standard is different, therefore, different manufacturers or different types of TV each lower level corresponding to the volume level of a reduced volume size is different, according to the actual situation on the TV using different methods to adjust the volume level of the output, for example, an embodiment of the present invention, the volume control apparatus is stored in advance for each a list of models TV and parameter information, wherein the parameter information includes the TV models each lower level corresponding to the volume level of a reduced volume; if they are the TV monitor model in the model volume control device stores a list of , the description of the TV models each lower level corresponding to the volume level of a reduced volume is known, the information can be obtained from the parameter, you can use the volume level of each multi-stage reduction method or based on the sound signal, volume threshold value and the first calculation of the need to reduce the difference between the number of levels; if they are monitoring the TV volume control device model is not stored in the Models list, indicating that the model TV reduces a volume level of each of the corresponding The volume reduction is unknown, may be reduced by one each time the volume level using the method of adjustment.
(2), the level of sound volume of monitored equipment is increased N at the volume value of the voice signal of receiving during less than second threshold value
2Individual grade, the volume value that makes the voice signal of confirming after the level of sound volume that increases monitored equipment is within the volume value scope; Wherein, N
2It is positive integer.Because the process of the level of sound volume of increase monitored equipment is similar with the process of the level of sound volume that reduces monitored equipment, see also the process of the level of sound volume that reduces monitored equipment, repeat no more here.
Need to prove; Because the volume value of monitored equipment output all might change at any time; The voice signal that for example has big volume value might only exist at extremely short time memory; If when collecting not the voice signal in the volume value scope of setting at every turn; All the level of sound volume of monitored equipment is regulated; Then can cause the frequent adjusting of the level of sound volume of monitored equipment; Make the volume value instability of the voice signal of monitored equipment output, cause the suddenly big or suddenly small phenomenon of exporting of volume value;
In order to prevent frequently to regulate the level of sound volume of monitored equipment; Can set a time interval; Confirm the mean value of the volume value of the continuous voice signal that monitoring means 10 is received in this time interval, and this mean value is carried out subsequent treatment as the volume value of voice signal; Perhaps
The volume value that obtains for the first time voice signal from comparing unit 20 begins to calculate outside the volume value scope of setting the time; If in the time interval of setting; This volume value is all outside the volume value scope of setting; Then trigger the level of sound volume of 30 pairs of monitored equipments of regulon and regulate, the volume value of voice signal that makes the monitored equipment output after the adjusting is within the volume value scope; For example, the volume value of voice signal is all greater than first threshold value in 2s, and the volume value of then confirming the voice signal that this monitored equipment is exported is not in the volume value scope of setting, with the level of sound volume reduction N of monitored equipment
1Individual grade, the volume value that makes the voice signal of confirming after the level of sound volume that reduces monitored equipment is within the volume value scope;
Wherein, the size in this time interval is an empirical value, can set as required.
The course of work of the threshold value regulon 40 of the embodiment of the invention is: after volume control apparatus receives the threshold value regulating command; Stop current working state; Access door limit value adjusting pattern is worked, and plays the reference voice signal that is used for the adjustment doors limit value of its storage inside; The user can regulate the volume value of this reference voice signal according to the volume value adjusting key that is provided with, and then threshold value regulon 40 is regulated the volume value of current reference voice signal according to the volume value regulating command of receiving; The user selects a certain volume value as first threshold value, and then threshold value regulon 40 is confirmed instruction according to the threshold value of receiving, with the current volume value of reference voice signal as first threshold value.
Definite process of second threshold value is identical with definite process of first threshold value, repeats no more here.
After accomplishing being provided with of first threshold value and second threshold value, withdraw from threshold value and regulate pattern; Volume control apparatus gets into monitoring pattern (promptly triggering 10 pairs of voice signals of monitoring means gathers) or gets into logging mode according to the function recording instruction of receiving according to the volume value control command of receiving, the operating state of logging mode sees following description for details.
Need to prove that first threshold value of confirming is greater than second threshold value of confirming.First threshold value of selecting as the user is greater than the second selected threshold value, or the second selected threshold value is during greater than selected first threshold value, and threshold value regulon 40 sends warning, with the prompting user.
Preferably, the monitoring means 10 of the embodiment of the invention comprises a MIC (Microphone, microphone), realizing the collection to voice signal, and converts the voice signal that collects to the signal of telecommunication; But, also can gather by other sound signal collecting device not as limit; Wherein, the size of the volume value of voice signal is directly proportional with the intensity of its signal of telecommunication.
Preferably, the monitoring means 10 of the embodiment of the invention comprises a filter, carries out Filtering Processing with the signal of telecommunication of the voice signal realizing MIC is collected; Wherein, filter can be an analog filter, then earlier the signal of telecommunication input analog filter of the voice signal received is carried out filtering; Filter also can be a digital filter, and the signal of telecommunication of the voice signal that then needs earlier to receive carries out A/D (Analog to Digital) conversion, converts digital signal to, again this digital signal is inputed to digital filter and carries out filtering.
Preferably; The comparing unit 20 of the embodiment of the invention, regulon 30 and threshold value regulon 40 can be integrated in an ARM (Advanced RISC Machines) processor, single-chip microcomputer, DSP (DigitalSignal Processing; Digital Signal Processing), FPGA (Field Programmable Gate Array, field programmable gate array) or microprocessor etc. have computing and control the central processing unit of the function of other equipment.
Be example with hardware circuit figure shown in Figure 4 below, the operation principle of the volume control apparatus of the embodiment of the invention is described, but the hardware configuration of the embodiment of the invention is not limited thereto, also can realize by other hardware circuit forms.
As shown in Figure 4; The volume control apparatus of the embodiment of the invention comprises: central processing unit, MIC, amplifier, A/D converter, digital filter, ROM (Read-Only Memory, read-only memory), RAM (random access memory random asccess memory), D/A (Digital to Analog) transducer, clock unit, button, peripheral unit control line interface, infrared transmission module and infrared receiving module; Wherein, central processing unit mainly carries out the operation such as State Control, operation of data of operation, the ancillary equipment of program; ROM is used for stored program; RAM is a system cache, is used for storing the data cached of central processing unit.
Trigger volume control apparatus and get into monitoring pattern, the MIC bias voltage is opened, at this moment, MIC is collected sound signal in real time just, and converts this voice signal to the signal of telecommunication; Wherein, the MIC bias voltage is to be subjected to peripheral unit control line (being the bus of processor control peripheral devices) control;
MIC is with signal processing and amplifying and the A/D conversion through amplifier of the signal of telecommunication of the voice signal that collects; The electrical signal conversion of this voice signal is become digital signal; The input digit filter carries out digital filtering again, in order to the removal unwanted frequency, thus the accuracy of assurance signals collecting;
In the input of the digital signal after Filtering Processing central processing unit, carry out the volume value that voice signal is confirmed in computing by central processing unit; Wherein, the computing of central processing unit can be the measuring and calculating of only carrying out signal amplitude, also can be the mode that adopts weighted calculation, the i.e. energy value of the whole voice signal of COMPREHENSIVE CALCULATING; The former algorithm is realized simple, performance of processors is required lower, and the problem of bringing is the auditory perception that can only detected peak signal can not react people's ear the most really; The latter's operation method with the signal of whole frequency carry out weighted add with, A weighting network in addition can at utmost be experienced the subjectivity of sound size near people's ear simultaneously;
The volume value of the voice signal received and the volume value scope of setting are compared; If the volume value of this voice signal is outside this volume value scope; Send the level of sound volume regulating command through the infrared module to monitored equipment, the volume value of voice signal that makes the monitored equipment output after the adjusting is within this volume value scope;
Wherein, infrared transmission module adopts emitting stage amplifying circuit altogether, is connected with central processing unit through data wire.
Infrared receiving module adopts infrared remote receiver, is connected with central processing unit through data wire; Wherein, infrared remote receiver has comprised photodiode and amplifying circuit, can directly export the signal of telecommunication and give central processing module.The infrared signal that the infrared transmission module of the monitored module of infrared receiving module sends; And convert the infrared signal that receives to the signal of telecommunication and input to central processing unit and handle; The signal of telecommunication corresponding codes of the infrared signal that the central processing unit demodulation is received, and preserve;
For example, to increase the monitoring equipment to achieve the volume level of the operation, according to the received command to disconnect feature to record volume control device's current work status, and then enter the record mode is triggered, press the volume control device of the "Volume +" button, then press the remote control device to be monitored "Volume +" key, and make the remote volume control device emitting diodes aligned with the infrared receiver photodiode, the photodiode can receive infrared signals and converted electrical input to the central processor to decode and store, and make the volume control device to exit the recording mode, triggering its entry into monitor mode or threshold adjustment mode; recording process, you can control the volume on the device by means of LEDs Shiny form prompts the current work status, such as going into the recording mode is lit, press the "Volume +" button is flashing quickly accept and successfully stored signals from other remote controls and become steady.
Regulate pattern if trigger volume control apparatus access door limit value; Then central processing unit reads one section voice digital signal from ROM; It is delivered to decoder carry out decoding processing; And decoded digital signal is inputed to D/A converter carry out digital-to-analogue conversion; Export the analog signal that obtains to amplifying circuit and carry out processing and amplifying; At last, amplified analog signal is inputed to loud speaker to play; The user can regulate through the knob or the button of the output volume that is used for control loudspeaker on the volume control apparatus, confirms first threshold value and second threshold value, and replaces original first threshold value and second threshold value, withdraws from threshold value and regulates pattern.At this moment, get into monitoring pattern work if trigger volume control apparatus, then comparing unit 20 compares according to first new threshold value and the definite volume value scope of second threshold value.
Because the voice signal of TV generally is made up of voice signal and music signal, so signal stored also is the morbid sound signal of one section voice and music among the volume control apparatus ROM.
Preferably, for the ease of the operation of user to volume control apparatus, volume control apparatus also comprises the menu selected cell, according to the menu selection command that receives, gets into the menu preference pattern; Wherein, monitoring pattern, threshold value are regulated pattern or logging mode in the menu; With the monitoring pattern is example; " monitoring pattern " in user's choice menus then triggers volume control apparatus and gets into monitoring pattern, under monitoring pattern; The user can also select to regulate the number of the level of sound volume of monitored equipment in menu at every turn, and finishes current operations such as monitoring pattern; For another example; " threshold value adjusting pattern " in user's choice menus; Then trigger volume control apparatus access door limit value and regulate pattern; Under threshold value adjusting pattern; The user can also select the adjusting to the volume of the reference voice signal of playing in menu; Preserve first threshold value and second threshold value confirmed, finish current threshold value adjusting pattern etc.
The user is to the operation of volume control apparatus for ease, and the embodiment of the invention also provides another kind of execution mode, and promptly volume control apparatus comprises a plurality of buttons or button etc., in order to realize triggering and the control to different working modes.For example, volume value monitoring button is used for triggering getting into monitoring pattern, if will finish current monitoring pattern, under monitoring pattern, starts volume value monitoring button once more, then can finish monitoring pattern; The operation principle of function record button and threshold value adjusting button is similar with volume value control button, repeats no more here.
Preferably, the above-mentioned menu that is used for controlling volume control apparatus also comprises and is used to the menu option that starts volume control apparatus and be used to close volume control apparatus;
Above-mentioned startup and the function of closing volume control apparatus can also realize with the start key and the closing key that are arranged on the volume control apparatus; Wherein, After the start key starts; Trigger power subsystem to monitoring means 10, comparing unit 20, regulon 30, communication unit 60,40 power supplies of threshold value regulon, volume control apparatus gets into corresponding mode of operation according to the different instruction that receives and carries out work; After closing key starts, interrupt current mode of operation, and powered-down.
Concrete, start key and closing key can be arranged on the anodal line of power subsystem, can guarantee the not electric leakage of shutdown back like this.
If the button of volume control apparatus is less, can control through the mode of a control line of each button so, if the number of keys of volume control apparatus is more, can realize through the mode of push-button array so.
Two kinds of above-mentioned user's modes of operation are illustrative, and nonrestrictive, and other user's mode of operation well-known to those skilled in the art also is applicable to the embodiment of the invention, repeats no more here.
The volume control apparatus of the embodiment of the invention comprises that also being used to its each inner functional unit provides the Power Management Unit of operating voltage, and the indicator light that is used for display working condition.
Based on same inventive concept; A kind of method for controlling volume also is provided in the embodiment of the invention; Because the principle that this method is dealt with problems is similar with above-mentioned volume control apparatus, so the enforcement of method for controlling volume can repeat part and repeat no more referring to the enforcement of volume control apparatus.
A kind of method for controlling volume of the embodiment of the invention, as shown in Figure 5, this method may further comprise the steps:
The volume value of S501, the voice signal confirming to receive; Wherein, voice signal comprises the voice signal of monitored equipment output;
S502, the volume value and the preset volume value scope of the voice signal received compared; Wherein, the volume value scope is confirmed by first threshold value and second threshold value, and first threshold value is greater than second threshold value;
The volume value of S503, the voice signal received is regulated the level of sound volume of monitored equipment outside the volume value scope time, and the volume value of voice signal that makes the monitored equipment output after the adjusting is within the volume value scope;
Wherein, the setting of first threshold value and second threshold value may further comprise the steps:
According to the threshold value regulating command of receiving, play the reference voice signal that is used for the adjustment doors limit value;
According to the volume value regulating command of receiving, the volume value of reference voice signal is regulated;
Confirm instruction according to the threshold value of receiving, with the current volume value of reference voice signal as first threshold value or second threshold value.
Need to prove, comprise the voice signal of monitored equipment output in the voice signal of receiving among the step S501, also possibly also comprise the noise signal in the environment.
Preferably, the volume value of the voice signal of confirming to receive comprises:
The voice signal of receiving is changed into the signal of telecommunication;
Above-said current signal is carried out Filtering Processing, and the signal of telecommunication after the Filtering Processing is carried out quantification treatment, obtain the volume value of this voice signal.
Preferably, before step S501, also comprise:
After the volume value control command of receiving, voice signal is gathered.
Preferably, the volume value of the voice signal of confirming to receive also comprises:
Definite mean value of setting the volume value of the voice signal of receiving in the duration, and with the volume value of this mean value as voice signal.
Preferably, the level of sound volume of monitored equipment is regulated, comprising:
At the volume value of the voice signal of receiving during greater than first threshold value, the level of sound volume of monitored equipment is reduced N1 grade, the volume value that makes voice signal definite after the level of sound volume that reduces monitored equipment is within the volume value scope;
Wherein, N1 is a positive integer.
Preferably, the level of sound volume of monitored equipment is regulated, comprising:
At the volume value of the voice signal of receiving during less than second threshold value, the level of sound volume of monitored equipment is increased N2 grade, the volume value that makes voice signal definite after the level of sound volume that increases monitored equipment is within the volume value scope;
Wherein, N2 is a positive integer.
Below in conjunction with Fig. 6 the course of work of the volume control apparatus of the embodiment of the invention is elaborated.
As shown in Figure 6, the course of work of the volume control apparatus of the embodiment of the invention may further comprise the steps:
After S600, volume control apparatus receive start-up command, carry out the start operation;
S610, if volume control apparatus receive the volume value control command, then get into monitoring pattern:
S611, collected sound signal, the volume value of the voice signal of confirming to receive;
Whether the volume value of the voice signal that S612, judgement are received is greater than first threshold value;
If the volume value of the voice signal received is greater than first threshold value, execution in step S613 then;
If the volume value of the voice signal received is less than first threshold value, execution in step S614 then;
The level of sound volume of S613, reduction monitored equipment is returned step S611;
Whether the volume value of the voice signal that S614, judgement are received is less than second threshold value;
If the volume value of the voice signal received is less than second limit value, execution in step S615 then;
If the volume value of the voice signal of receiving then returns step S611 greater than second limit value;
The level of sound volume of S615, increase monitored equipment is returned step S611;
Any time in the process that volume control apparatus is worked under monitoring pattern if receive the threshold value regulating command, then finishes current monitoring pattern, and the access door limit value is regulated pattern; If receive the function recording instruction, then finish current monitoring pattern, get into logging mode.
S620, if volume control apparatus receives the threshold value regulating command, then the access door limit value is regulated pattern:
The reference voice signal that is used for the adjustment doors limit value is play in the threshold value regulating command that S621, basis are received;
The volume value regulating command that S622, basis are received is regulated the volume value of reference voice signal;
S623, confirm instruction according to the threshold value received, with the current volume value of reference voice signal as first threshold value or second threshold value, first threshold value and second threshold value that storage is selected, and finish this flow process;
Any time in the process that volume control apparatus is worked under threshold value adjusting pattern if receive the volume value control command, then finishes current threshold value and regulates pattern, gets into monitoring pattern; If receive the function recording instruction, then finish current threshold value and regulate pattern, get into logging mode.
S630, if volume control apparatus receive the function recording instruction, then get into logging mode:
S631, reception key command according to the key command that receives, make corresponding key in running order;
S632, reception infrared signal according to the infrared signal that receives, demodulate this infrared signal corresponding codes;
The coding that S633, storage demodulate, and finish this flow process;
Any time in the process that volume control apparatus is worked under logging mode if receive the threshold value regulating command, then finishes current logging mode, and the access door limit value is regulated pattern; If receive the volume value control command, then finish current recording, get into monitoring pattern.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of the embodiment of complete hardware embodiment, complete software implementation example or combination software and hardware aspect.And the present invention can be employed in the form that one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code go up the computer program of implementing.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out through the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in ability vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work; Make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device; Make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of on computer or other programmable devices, carrying out is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic inventive concept could of cicada, then can make other change and modification to these embodiment.So accompanying claims is intended to be interpreted as all changes and the modification that comprises preferred embodiment and fall into the scope of the invention.
The embodiments of the present invention, the volume of the received sound signal with a preset value of the volume range of values comparing the device can automatically adjust the volume level to be monitored, the adjusting device to be monitored after the output level of the sound signal level value value range, enabling the device to be monitored at the output volume of the sound signal suddenly becomes larger or hours (such as switching TV channels, or in the same TV channels when different programs), automatically will be monitored device output sound signal the set volume level value adjustment range of values, thus reducing the output of the device to be monitored because the signal level value of the sound suddenly becomes large impact on human hearing; and according to the need to set the volume range of the first the threshold value and the second threshold value.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1. a method for controlling volume is characterized in that, this method comprises:
The volume value of the voice signal of confirming to receive; Wherein, said voice signal comprises the voice signal of monitored equipment output;
The volume value of said voice signal is compared with preset volume value scope; Wherein, said volume value scope is confirmed by first threshold value and second threshold value, and said first threshold value is greater than said second threshold value;
The volume value of said voice signal is regulated the level of sound volume of said monitored equipment outside said volume value scope the time, and the volume value of voice signal that makes the said monitored equipment output after the adjusting is within said volume value scope;
Wherein, the setting of said first threshold value and second threshold value comprises:
According to the threshold value regulating command of receiving, play the reference voice signal that is used for the adjustment doors limit value;
According to the volume value regulating command of receiving, the volume value of said reference voice signal is regulated;
Confirm instruction according to the threshold value of receiving, with the current volume value of said reference voice signal as said first threshold value or second threshold value.
2. the method for claim 1 is characterized in that, the volume value of the said voice signal of confirming to receive comprises:
The voice signal of receiving is changed into the signal of telecommunication;
The said signal of telecommunication is carried out Filtering Processing, and the signal of telecommunication after the Filtering Processing is carried out quantification treatment, obtain said volume value.
3. method as claimed in claim 1 or 2 is characterized in that, before the volume value of the said voice signal of confirming to receive, also comprises:
After receiving the volume value control command, voice signal is gathered.
4. method as claimed in claim 1 or 2 is characterized in that, the volume value of the said voice signal of confirming to receive comprises:
Definite mean value of setting the volume value of the voice signal of receiving in the duration, and with the volume value of said mean value as said voice signal.
5. method as claimed in claim 4 is characterized in that, the level of sound volume of said monitored equipment is regulated, and comprising:
At the volume value of said voice signal during, the level of sound volume of said monitored equipment is reduced N greater than said first threshold value
1Individual grade, the volume value that makes the voice signal of confirming after the level of sound volume that reduces said monitored equipment is within said volume value scope;
Wherein, N
1It is positive integer.
6. method as claimed in claim 4 is characterized in that, the level of sound volume of said monitored equipment is regulated, and comprising:
At the volume value of said voice signal during, the level of sound volume of said monitored equipment is increased N less than said second threshold value
2Individual grade, the volume value that makes the voice signal of confirming after the level of sound volume that increases said monitored equipment is within said volume value scope;
Wherein, N
2It is positive integer.
7. a volume control apparatus is characterized in that, said volume control apparatus comprises:
Monitoring means is used to confirm the volume value of the voice signal received; Wherein, said voice signal comprises the voice signal of monitored equipment output;
Comparing unit is used for the volume value of said voice signal is compared with preset volume value scope; Wherein, said volume value scope is confirmed by first threshold value and second threshold value, and said first threshold value is greater than said second threshold value;
Regulon; Be used for volume value at said voice signal outside said volume value scope the time; Level of sound volume to said monitored equipment is regulated, and the volume value of voice signal that makes the said monitored equipment output after the adjusting is within said volume value scope;
The threshold value regulon is used for playing the reference voice signal that is used for the adjustment doors limit value according to the threshold value regulating command of receiving; According to the volume value regulating command of receiving, the volume value of said reference voice signal is regulated; Confirm instruction according to the threshold value of receiving, with the current volume value of said reference voice signal as said first threshold value or second threshold value.
8. equipment as claimed in claim 7 is characterized in that, said monitoring means also is used for:
The voice signal of receiving is changed into the signal of telecommunication;
The said signal of telecommunication is carried out Filtering Processing, and the signal of telecommunication after the Filtering Processing is carried out quantification treatment, obtain said volume value.
9. like claim 7 or 8 described equipment, it is characterized in that said volume control apparatus also comprises:
Trigger element is used for after receiving the volume value control command, triggers said monitoring means and carries out the collection to voice signal.
10. equipment as claimed in claim 9 is characterized in that, said monitoring means also is used for:
Definite mean value of setting the volume value of the voice signal of receiving in the duration, and with the volume value of said mean value as said voice signal.
11. equipment as claimed in claim 10 is characterized in that, said regulon specifically is used for:
At the volume value of said voice signal during, the level of sound volume of said monitored equipment is reduced N greater than said first threshold value
1Individual grade, the volume value that makes the voice signal of confirming after the level of sound volume that reduces said monitored equipment is within said volume value scope;
Wherein, N
1It is positive integer.
12. equipment as claimed in claim 10 is characterized in that, said regulon specifically is used for:
At the volume value of said voice signal during, the level of sound volume of said monitored equipment is increased N less than said second threshold value
2Individual grade, the volume value that makes the voice signal of confirming after the level of sound volume that increases said monitored equipment is within said volume value scope;
Wherein, N
2It is positive integer.
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| CN2011102759709A CN102355562A (en) | 2011-09-16 | 2011-09-16 | Volume control method and equipment |
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| CN2011102759709A CN102355562A (en) | 2011-09-16 | 2011-09-16 | Volume control method and equipment |
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| CN102724462A (en) * | 2012-06-01 | 2012-10-10 | Tcl集团股份有限公司 | Volume adjusting method and device |
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| CN103577145A (en) * | 2012-08-10 | 2014-02-12 | 上海博泰悦臻电子设备制造有限公司 | Sound volume processing device and method for electronic equipment, and electronic system |
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Application publication date: 20120215 |