CN202565455U - Audio signal processing device - Google Patents
Audio signal processing device Download PDFInfo
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- CN202565455U CN202565455U CN2012202054534U CN201220205453U CN202565455U CN 202565455 U CN202565455 U CN 202565455U CN 2012202054534 U CN2012202054534 U CN 2012202054534U CN 201220205453 U CN201220205453 U CN 201220205453U CN 202565455 U CN202565455 U CN 202565455U
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Abstract
The utility model provides an audio signal processing device. The audio signal processing device includes a wireless transmit-receive unit, a connection unit, a control unit, a processing unit, a first audio signal output unit and an audio signal input unit. The wireless transmit-receive unit transmits a wireless electric signal generated by a first electric device. The connection unit transmits an electric signal generated by a second electric device. The control unit generates a control signal. The processing unit converts the wireless electric signal and the electric signal into a first audio signal and a second audio signal respectively and output the first audio signal and the second audio signal. The processing unit selects to output the first audio signal and/or the second audio signal according to the control signal. The first audio signal output unit plays the first audio signal and the second audio signal. The audio signal input unit receives a sound input signal and transmits the sound input signal to the processing unit. And the processing unit converts the sound input signal into a wireless electric signal according to the control signal and transmits the wireless electric signal to the first electric device.
Description
Technical field
The utility model relates to a kind of Audio Signal Processing technology, particularly a kind of audio signal processor.
Background technology
Along with the progress of science and technology, computer game at present is more and more general, and when the user played computer game, for the music of not allowing computer game is bothered other people, the user can listen to music to utilize earphone with the earphone of on main frame, pegging graft.
In addition, mobile phone also generally becomes a necessary article, staff one machine, and the probability of answering cell phone is also quite high.Therefore, when the user uses earphone to listen to the music that main frame produces, if there is phone to come in, just must take off earphone, change catcher machine is to carry out voice call.When end of conversation, again mobile phone is kept well, put on earphone and continue to listen to the music, so quite inconvenience on using.And, when the user puts on earphone and listens to music, completely cut off with external sound easily, and when phone is come in, be difficult for hearing ring, and missed phone.
The utility model content
In view of above problem, the purpose of the utility model is to provide a kind of audio signal processor, uses to let the user need not to take off under the situation of earphone, learns call-in reporting, and decides in its sole discretion and whether connect this incoming call, to increase the convenience that uses.
For reaching above-mentioned purpose, the utility model provides a kind of audio signal processor, and it comprises:
One wireless transmit/receive units is suitable for electrically connecting one first electronic installation, in order to receive and to transmit the radio signal that this first electronic installation is produced;
One linkage unit is suitable for electrically connecting a second electronic device, in order to receive and to transmit the signal of telecommunication that this second electronic device produces;
One control unit is in order to produce a control signal;
One processing unit; Electrically connect this wireless transmit/receive units, this linkage unit and this control unit; In order to receive this radio signal, this signal of telecommunication and this control signal; And convert this radio signal and this signal of telecommunication to one first audio signal and one second audio signal and output respectively, wherein this processing unit is according to this control signal, and selects this first audio signal of output and/or this second audio signal;
One first audio signal output unit electrically connects this processing unit, in order to play this first audio signal and this second audio signal; And
One audio signal input unit; Electrically connect this processing unit; In order to receiving an audio input signal, and this audio input signal is sent to this processing unit, and this processing unit is according to this control signal; Convert this audio input signal to this radio signal, and this radio signal is sent to this first electronic installation through this wireless transmit/receive units again.
Above-mentioned audio signal processor wherein also comprises:
One audio signal output selected cell switches signal in order to provide one;
One second audio signal output unit electrically connects this processing unit, in order to receive and to play this first audio signal and this second audio signal; And
One switching unit; Electrically connect this audio signal output selected cell; And be electrically connected between this processing unit and this first audio signal output unit and this second audio signal output unit; In order to according to this switching signal, electrically connect to switch this processing unit and this first audio signal output unit or this second audio signal output unit, to export this first audio signal and/or this second audio signal to this first audio signal output unit or this second audio signal output unit.
Above-mentioned audio signal processor, wherein this second audio signal output unit is loudspeaker or loud speaker.
Above-mentioned audio signal processor wherein also comprises:
One first quiet unit electrically connects this processing unit, in order to one first quiet frequency signal to be provided, makes this processing unit stop to export this first audio signal and this second audio signal;
One second quiet unit electrically connects this processing unit, in order to one second quiet frequency signal to be provided, makes this processing unit stop to receive this audio input signal;
One track selecting unit electrically connects this processing unit, in order to a track selecting signal to be provided, this processing unit is produced this first audio signal and this second audio signal that should the track selecting signal;
One mode selecting unit electrically connects this processing unit, in order to a plurality of mode select signals to be provided, makes this processing unit produce this first audio signal and this second audio signal of corresponding those mode select signals;
One volume adjustment unit; Electrically connect this processing unit,, make this processing unit according to this volume adjustment signal in order to volume adjustment signal to be provided; Adjust the volume of this first audio signal and this second audio signal, and the corresponding output of this processing unit one volume signal; And
One volume display unit electrically connects this processing unit, in order to show this volume signal.
Above-mentioned audio signal processor, wherein this linkage unit is a general serial bus connection port.
Above-mentioned audio signal processor, wherein this linkage unit is a wireless transceiver.
Above-mentioned audio signal processor, wherein this wireless transmit/receive units is a bluetooth transceiver.
Above-mentioned audio signal processor, wherein this first audio signal output unit is an earphone.
Above-mentioned audio signal processor, wherein this first electronic installation is a mobile phone.
Above-mentioned audio signal processor, wherein this second electronic device is desktop computer, mobile computer, flat computer, handheld game device or holder for TV playing.
The audio signal processor that the utility model disclosed; It electrically connects second electronic device (computer) through linkage unit; Letting the user can listen to the music that second electronic device is provided, and electrically connect first electronic installation (mobile phone), can obtain the call-in reporting lang sound conversation of going forward side by side to let through wireless transmit/receive units; And the user is the operation control unit through whether again, whether connects this incoming call with decision.By this, the user can learn call-in reporting when using the earphone listoning music, and takes off under the situation of earphone need not, and decides in its sole discretion and whether connects this incoming call, to increase the convenience that uses.
Below in conjunction with accompanying drawing and specific embodiment the utility model is described in detail, but not as the qualification to the utility model.
Description of drawings
Fig. 1 is the sketch map of the audio signal processor of the utility model;
Fig. 2 is the sketch map of another audio signal processor of the utility model.
Wherein, Reference numeral
100,200 audio signal processors
110,202 wireless transmit/receive units
120,204 linkage units
130,206 control units
140,208 processing units
150,210 first audio signal output unit
160,212 audio signal input units
170,250 first electronic installations
180,260 second electronic devices
214 audio signal output selected cells
216 second audio signal output unit
218 switch units
220 first quiet unit
222 second quiet unit
224 track selecting unit
226 mode selecting unit
228 volume adjustment units
230 volume display units
Embodiment
Below in conjunction with accompanying drawing the structural principle and the operation principle of the utility model are done concrete description:
Please refer to shown in Figure 1ly, it is respectively the sketch map of the audio signal processor of the utility model.Audio signal processor 100 comprises wireless transmit/receive units 110, linkage unit 120, control unit 130, processing unit 140, the first audio signal output unit 150 and audio signal input unit 160.
Wireless transmit/receive units 110 is suitable for electrically connecting first electronic installation 170, in order to receive and to transmit the radio signal that first electronic installation 170 is produced.In the present embodiment, wireless transmit/receive units 110 can be bluetooth transceiver, but the utility model is not limited thereto, and also can be the wireless transceiver that other have wireless communication protocol.And first electronic installation 170 can be device for mobile communication, for example mobile phone.And first electronic installation 170 also for example disposes bluetooth transceiver so that with wireless transmit/receive units 110 pairing lines, and then the call-information that will convert radio signal to receives and transmits.
In another embodiment; Linkage unit 120 can be wireless transceiver; For example for but be not defined as wireless transceivers such as WIFI, WIMAX; Then linkage unit 120 electrically connects with wireless mode and second electronic device 180, makes the signal of telecommunication that second electronic device 180 will be converted to by music signal to receive and to transmit via linkage unit 120 with wireless mode.
That is to say that when processing unit 140 does not receive the radio signal with incoming call prompting the tinkle of bells, then processing unit 140 is only exported second audio signal.Receive first audio signal with incoming call prompting the tinkle of bells and work as processing unit 140, processing unit 140 can be exported first audio signal and second audio signal in the lump.
When user's operation control unit 130, pressing keys for example, then control unit 130 control signal that for example produces high logic current potential is given processing unit 140, and processing unit 140 can be selected output first audio signal, and stops to export second audio signal.And; Processing unit 130 meetings further convert the control signal of high logic current potential to radio signal; Be sent to the processor of first electronic installation 170 again through wireless transmit/receive units 110, make the electronic installation 170 of winning connect this incoming call, to let the user carry out voice call.At the same time; Processing unit 130 also can convert the control signal of high logic current potential to the signal of telecommunication; To be sent to the processor of second electronic device 180 through linkage unit 120; Make second electronic device 180 suspend the broadcast of film or the carrying out of computer game, so that the user can attentively be received calls.
In addition; When user's operation control unit 130 once more; Pressing keys once more for example; Then control unit 130 for example produces the control signal of hanging down the logic current potential and gives processing unit 140,130 functions of recovering output second audio signal of control unit, or the function of first audio signal and second audio signal is exported in recovery in the lump.
The first audio signal output unit 150 electrically connects processing unit 140, in order to receive and to play first audio signal and second audio signal.In the present embodiment, the first audio signal output unit 150 for example is an earphone, listens to first audio signal and second audio signal for the user.
That is to say that when control signal during for low logic current potential, then processing unit 140 can not convert sound audio signals to radio signal output.When control signal was high logic current potential, then processing unit 140 can convert sound audio signals to radio signal output, to carry out the function of voice call.In the present embodiment, sound input unit 160 for example is a microphone, to receive the sound that the user was sent.
Above-mentioned with explanation audio signal processor 100 inner members and its electrical connection.Below, with the operation that further specifies audio signal processor 100.
At first, the user utilizes wired or wireless mode, linkage unit 120 and second electronic device 180 is electrically connected, to obtain the signal of telecommunication with music.And the user utilizes wireless mode, the wireless transmit/receive units 110 and first electronic installation 170 is electrically connected, to obtain the radio signal with the sound after the incoming call prompting the tinkle of bells is connected with incoming call.
When as yet the situation generation of incoming call not being arranged, processing unit 140 can be with second audio signal output of electrical signal conversion one-tenth, and the user just can pass through the first audio signal output unit, 150 listoning musics.Then, when the situation of incoming call took place, the radio signal that processing unit 140 can will have an incoming call prompting the tinkle of bells converted the first audio signal signal to and goes out, and then the user just can learn the situation of incoming call in listoning music.
At this moment, the user can pass through operation control unit 130, and whether decision connects this incoming call.When the user does not want to connect this when incoming call, user's inoperation control unit 130 then, pressing keys not for example, then processing unit 140 can continue output first audio signal and second audio signals.And after incoming call stopped, processing unit 140 only can be exported second audio signal, and then the user can continue listoning music.
On the other hand; When the user wants to connect this incoming call, but then user's operation control unit 130, for example pressing keys; Then processing unit 140 can stop to export second audio signal; And export first audio signal, and convert the sound audio signals that audio signal input unit 160 is received to radio signal output, so that let the user carry out voice call function.
Then; When the user finishes this when incoming call, the user is operation control unit 130 once more, for example pressing keys once more; Processing unit 140 can recover output second audio signal; And stop to convert the sound audio signals that audio signal input unit 160 is received to radio signal output, so that let user's listoning music, and accept next incoming call prompting.
Thus, when the situation of learning incoming call took place, the user need not earphone taken off and connects this incoming call, and the user also can further decide whether connect this incoming call in its sole discretion, to increase the convenience that uses.
In the previous embodiment; Carrying out voice call with audio signal processor 100 through the wireless transmit/receive units 110 and first electronic installation 170 is example; But the utility model is not limited thereto, and audio signal processor 100 also can carry out voice call through linkage unit 120 and second electronic device 180.And can carry out the mode of operation of voice through the wireless transmit/receive units 110 and first electronic installation 170 with reference to aforementioned through the mode of operation that linkage unit 120 and second electronic device 180 carry out voice call, so repeat no more at this.
In one embodiment, audio signal processor 100 for example can separate setting with the earphone body, that is to say, user's wired or wireless mode capable of using is connected audio signal processor 100 with the earphone body.In another embodiment, audio signal processor 100 for example can directly be integrated or be embedded in the earphone body.
Please refer to shown in Figure 2ly, it is respectively the sketch map of another audio signal processor of the utility model.Audio signal processor 200 comprises quiet unit, the quiet unit of wireless transmit/receive units 202, linkage unit 204, control unit 206, processing unit 208, the first audio signal output unit 210, audio signal input unit 212, audio signal output selected cell 214, the second audio signal output unit 216, switch unit 218, first 220, second 222, track selecting unit 224, mode selecting unit 226, volume adjustment unit 228 and volume display unit 230.
In addition, wireless transmit/receive units 202 is suitable for electrically connecting first electronic installation 250, and linkage unit 204 is suitable for connecting second electronic device 260.The relation of the wireless transmit/receive units 202 of present embodiment, linkage unit 204, control unit 206, processing unit 208, the first audio signal output unit 210, audio signal input unit 212, first electronic installation 250 and the electric connection of second electronic device 260 and associative operation thereof can be with reference to the wireless transmit/receive units 110 of the embodiment of figure 1, linkage unit 120, control unit 130, processing unit 140, the first audio signal output unit 150, audio signal input unit 160, first electronic installation 170 execution modes with second electronic device 180, so repeat no more at this.
Audio signal output selected cell 214 is in order to provide switching signal.For instance, audio signal output selected cell 214 can comprise button, and the user can make the audio signal output selected cell 214 corresponding switching signals that produce through pressing keys or the mode of stirring button.Aforementioned audio signal output selected cell 214 is an example to utilize button to produce switching signal; But the utility model is not limited thereto; Audio signal output selected cell 214 for example also can comprise contact panel; And the user can operate contact panel through the mode of touch-control, makes audio signal output selected cell 214 produce switching signal according to this.
The second audio signal output unit 216 electrically connects processing unit 208, in order to receive and to play first audio signal and second audio signal.In the present embodiment, the second audio signal output unit 216 for example is loudspeaker or loud speaker, listens to first audio signal and second audio signal for the user.
Switch unit 218 electrically connects audio signal output selected cell 214; And be electrically connected between processing unit 208 and the first audio signal output unit 210 and the second audio signal output unit 216; In order to according to switching signal; The switching treatmenting unit 208 and the first audio signal output unit 210 electrically connect or switching treatmenting unit 208 and 216 electric connections of the second audio signal output unit, to export first audio signal and/or second audio signal to the first audio signal output unit 210 or the second audio signal output unit 216.
By this; The user can pass through operating audio signal output select unit 214, to select the using first audio signal output unit 210 (earphone) or the second audio signal output unit 216 (loudspeaker or loud speaker) to listen to first audio signal and/or second audio signal.
The first quiet unit 220 electrically connects processing unit 208, in order to the first quiet frequency signal to be provided, makes processing unit 208 stop to export first audio signal and second audio signal.For instance; The first quiet unit 220 can comprise button; The user can be through pressing keys or the mode of stirring button; Make the first quiet unit, the 220 corresponding first quiet frequency signals that produce, to stop the sound after outputting music, incoming call prompting the tinkle of bells and incoming call are connected, promptly processing unit 208 stops all voice outputs.The aforementioned first quiet unit 220 is an example to utilize button to produce the first quiet frequency signal; But the utility model is not limited thereto; The first quiet unit 220 for example also can comprise contact panel; And the user can operate contact panel through the mode of touch-control, makes the quiet unit 220 of winning produce the first quiet frequency signal according to this.
The second quiet unit 222 electrically connects processing unit 208, in order to the second quiet frequency signal to be provided, makes processing unit 208 stop to receive audio input signal.For instance, the second quiet unit 222 can comprise button, and the user can make the second quiet unit, the 222 corresponding second quiet frequency signals that produce, to stop to export the sound that the user is produced through pressing keys or the mode of stirring button.The aforementioned second quiet unit 222 is an example to utilize button to produce the second quiet frequency signal; But the utility model is not limited thereto; The second quiet unit 222 for example also can comprise contact panel; And the user can operate contact panel through the mode of touch-control, makes the second quiet unit 222 produce the second quiet frequency signal according to this.
Aforementioned track selecting unit 224 is an example to utilize button to produce the track selecting signal; But the utility model is not limited thereto; Track selecting unit 224 for example also can comprise contact panel; And the user can operate contact panel through the mode of touch-control, makes track selecting unit 224 produce the track selecting signal according to this.
And game mode for example is a sound of playing the channel combinations of main sound channel, preceding sound channel and back sound channel, and film mode for example is the sound of the channel combinations of the main sound channel of broadcast, preceding sound channel, center channel, subwoofer channel, back sound channel.Be not limited to aforementioned setting but this is novel, visual its demand of user is adjusted the pairing channel combinations of previous mode voluntarily, and the relevant information of game mode and film mode etc. for example can be stored in the database, to carry out subsequent operation.
The user can make mode selecting unit 226 output previous mode select signal through pushing aforementioned keys.Then, processing unit 208 can be according to the received mode select signal of its general input pin, and correspondence goes out the channel combinations that previous mode is selected signal and in a database, obtain also.Also be; If processing unit 208 is judged general input pin GPI1 and is received mode select signal; Then in database, obtain the channel combinations of corresponding game mode; And, then in database, obtain the channel combinations of film mode if processing unit 208 is judged general input pin GP2 and received mode select signal.
Then; Processing unit 208 can be according to the channel combinations of previous mode setting; Produce first audio signal and second audio signal of corresponding channel combinations (mode select signal), make win audio signal output unit 210 (earphone) or suitable first audio signal and second audio signal of the second audio signal output unit 216 (loudspeaker or loud speaker) broadcast.
Previous mode selected cell 226 is an example to utilize button to produce mode select signal; But the utility model is not limited thereto; Mode selecting unit 226 for example also can comprise contact panel; And the user can operate contact panel through the mode of touch-control, makes mode selecting unit 226 produce mode select signal according to this.
Further in addition, whenever push first button or second button once or with every rotation one predetermined angular of knob, the for example corresponding volume adjustment signal that produces a pulse of volume adjustment unit 228 as the user.Then; Processing unit 208 for example disposes counter; With the generation quantity of count pulse, promptly calculate the angle that number of times or knob rotated of user's pressing button, and according to the generation quantity of pulse; Adjust the volume of first audio signal and second audio signal, and the corresponding volume signal that produces.
Aforementioned volume adjustment unit 228 is an example to utilize button or knob to produce volume adjustment signal; But this novel being not limited thereto; Volume adjustment unit 228 for example also can comprise contact panel; And the user can operate contact panel through the mode of touch-control, makes volume adjustment unit 228 produce volume adjustment signal according to this.
The audio signal processor of the utility model; It electrically connects second electronic device (computer) through linkage unit; Letting the user can listen to the music that second electronic device is provided, and electrically connect first electronic installation (mobile phone), can obtain the call-in reporting lang sound conversation of going forward side by side to let through wireless transmit/receive units; And the user is the operation control unit through whether again, whether connects this incoming call with decision.By this, the user can learn call-in reporting when using the earphone listoning music, and takes off under the situation of earphone need not, and decides in its sole discretion and whether connects this incoming call, to increase the convenience that uses.
Certainly; The utility model also can have other various embodiments; Under the situation that does not deviate from the utility model spirit and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (10)
1. an audio signal processor is characterized in that, comprising:
One wireless transmit/receive units is suitable for electrically connecting one first electronic installation, in order to receive and to transmit the radio signal that this first electronic installation is produced;
One linkage unit is suitable for electrically connecting a second electronic device, in order to receive and to transmit the signal of telecommunication that this second electronic device produces;
One control unit is in order to produce a control signal;
One processing unit; Electrically connect this wireless transmit/receive units, this linkage unit and this control unit; In order to receive this radio signal, this signal of telecommunication and this control signal; And convert this radio signal and this signal of telecommunication to one first audio signal and one second audio signal and output respectively, wherein this processing unit is according to this control signal, and selects this first audio signal of output and/or this second audio signal;
One first audio signal output unit electrically connects this processing unit, in order to play this first audio signal and this second audio signal; And
One audio signal input unit; Electrically connect this processing unit; In order to receiving an audio input signal, and this audio input signal is sent to this processing unit, and this processing unit is according to this control signal; Convert this audio input signal to this radio signal, and this radio signal is sent to this first electronic installation through this wireless transmit/receive units again.
2. audio signal processor according to claim 1 is characterized in that, also comprises:
One audio signal output selected cell switches signal in order to provide one;
One second audio signal output unit electrically connects this processing unit, in order to receive and to play this first audio signal and this second audio signal; And
One switching unit; Electrically connect this audio signal output selected cell; And be electrically connected between this processing unit and this first audio signal output unit and this second audio signal output unit; In order to according to this switching signal, electrically connect to switch this processing unit and this first audio signal output unit or this second audio signal output unit, to export this first audio signal and/or this second audio signal to this first audio signal output unit or this second audio signal output unit.
3. audio signal processor according to claim 1 is characterized in that, this second audio signal output unit is loudspeaker or loud speaker.
4. audio signal processor according to claim 1 is characterized in that, also comprises:
One first quiet unit electrically connects this processing unit, in order to one first quiet frequency signal to be provided, makes this processing unit stop to export this first audio signal and this second audio signal;
One second quiet unit electrically connects this processing unit, in order to one second quiet frequency signal to be provided, makes this processing unit stop to receive this audio input signal;
One track selecting unit electrically connects this processing unit, in order to a track selecting signal to be provided, this processing unit is produced this first audio signal and this second audio signal that should the track selecting signal;
One mode selecting unit electrically connects this processing unit, in order to a plurality of mode select signals to be provided, makes this processing unit produce this first audio signal and this second audio signal of corresponding those mode select signals;
One volume adjustment unit; Electrically connect this processing unit,, make this processing unit according to this volume adjustment signal in order to volume adjustment signal to be provided; Adjust the volume of this first audio signal and this second audio signal, and the corresponding output of this processing unit one volume signal; And
One volume display unit electrically connects this processing unit, in order to show this volume signal.
5. audio signal processor according to claim 1 is characterized in that, this linkage unit is a general serial bus connection port.
6. audio signal processor according to claim 1 is characterized in that, this linkage unit is a wireless transceiver.
7. audio signal processor according to claim 1 is characterized in that, this wireless transmit/receive units is a bluetooth transceiver.
8. audio signal processor according to claim 1 is characterized in that, this first audio signal output unit is an earphone.
9. audio signal processor according to claim 1 is characterized in that, this first electronic installation is a mobile phone.
10. audio signal processor according to claim 1 is characterized in that, this second electronic device is desktop computer, mobile computer, flat computer, handheld game device or holder for TV playing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202054534U CN202565455U (en) | 2012-05-08 | 2012-05-08 | Audio signal processing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202054534U CN202565455U (en) | 2012-05-08 | 2012-05-08 | Audio signal processing device |
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| CN202565455U true CN202565455U (en) | 2012-11-28 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103297083A (en) * | 2013-04-27 | 2013-09-11 | 浙江大丰实业有限公司 | Stage communication device |
| CN103546841A (en) * | 2013-10-16 | 2014-01-29 | 广州番禺巨大汽车音响设备有限公司 | Method and system for controlling digital sound volume based on WIFI (wireless fidelity) |
| CN104936094A (en) * | 2015-05-26 | 2015-09-23 | 广州番禺巨大汽车音响设备有限公司 | Method and system for realizing sound control based on NFC |
| CN103856867B (en) * | 2012-11-29 | 2017-11-10 | Nxp股份有限公司 | audio system |
| CN107529112A (en) * | 2016-06-22 | 2017-12-29 | 塞舌尔商元鼎音讯股份有限公司 | The method of audio transmission system and its audio frequency process |
| CN110968286A (en) * | 2018-09-29 | 2020-04-07 | Oppo（重庆）智能科技有限公司 | Electronic device |
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2012
- 2012-05-08 CN CN2012202054534U patent/CN202565455U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103856867B (en) * | 2012-11-29 | 2017-11-10 | Nxp股份有限公司 | audio system |
| CN103297083A (en) * | 2013-04-27 | 2013-09-11 | 浙江大丰实业有限公司 | Stage communication device |
| CN103297083B (en) * | 2013-04-27 | 2015-05-13 | 浙江大丰实业股份有限公司 | Stage communication device |
| CN103546841A (en) * | 2013-10-16 | 2014-01-29 | 广州番禺巨大汽车音响设备有限公司 | Method and system for controlling digital sound volume based on WIFI (wireless fidelity) |
| CN104936094A (en) * | 2015-05-26 | 2015-09-23 | 广州番禺巨大汽车音响设备有限公司 | Method and system for realizing sound control based on NFC |
| CN107529112A (en) * | 2016-06-22 | 2017-12-29 | 塞舌尔商元鼎音讯股份有限公司 | The method of audio transmission system and its audio frequency process |
| CN110968286A (en) * | 2018-09-29 | 2020-04-07 | Oppo（重庆）智能科技有限公司 | Electronic device |
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