CN103888583A - Mobile terminal and television accompanying sound input method - Google Patents
Mobile terminal and television accompanying sound input method Download PDFInfo
- Publication number
- CN103888583A CN103888583A CN201210521003.0A CN201210521003A CN103888583A CN 103888583 A CN103888583 A CN 103888583A CN 201210521003 A CN201210521003 A CN 201210521003A CN 103888583 A CN103888583 A CN 103888583A
- Authority
- CN
- China
- Prior art keywords
- data transmission
- encoded
- encoder
- decoder
- buffer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Analogue/Digital Conversion (AREA)
Abstract
The invention discloses a mobile terminal and a television accompanying sound input method. The mobile terminal comprises a microphone, a baseband chip and a loudspeaker. The baseband chip comprises an AD converter, an encoder, a decoder and a DA converter. The microphone is connected with the encoder through the AD converter. The loudspeaker is connected with the decoder through the DA converter. A television accompanying sound signal is transmitted to the AD converter through an analog interface. The AD converter is used for converting the television accompanying sound signal into a first digital signal and transmitting the first digital signal to the encoder. The encoder is used for encoding the first digital signal and transmitting the first digital signal to the decoder. The decoder is used for decoding the encoded first digital signal and transmitting the encoded first digital signal to the DA converter. The DA converter is used for converting the decoded encoded first digital signal into a first analog signal and transmitting the first analog signal to the loudspeaker. According to the method, a sound transmission path is shared by the television accompanying sound signal and a sound signal, and the production cost and the complexity of the mobile terminal are reduced.
Description
Technical field
The present invention relates to a kind of mobile terminal and television field frame input method.
Background technology
At present increasing handheld device, if mobile phone etc. is all with the function of mobile TV, makes people can watch anywhere or anytime TV.The simulation output of mobile TV sound accompaniment is inputted by the line-in(circuit of baseband chip) interface inputs in baseband chip, by the responsible processing mobile TV such as volume adjuster and the switch sound accompaniment of baseband chip inside, by loud speaker by voice output.
Can adopt by the sound accompaniment of line-in interface input mobile TV to baseband chip the baseband chip with line-in interface, and by loud speaker by voice output.But, while not having with line-in interface for the baseband chip in mobile phone, just sound (sound comprises mobile TV sound accompaniment) cannot be directly inputted in baseband chip, if sound be can't help baseband chip and is managed, the closing and the switching of sound channel etc. of volume adjusting, sound that the device that just need to add peripheral hardware is processed sound as amplifier and switch etc., this certainly will increase the production cost of mobile phone.In addition, because sound can not be directly inputted in baseband chip, just cannot realize the function of recording or video recording.If want to realize the function of recording or video recording, also need to add multimedia processor in mobile phone, the complexity of the further like this production cost and the mobile phone that have increased mobile phone.
Summary of the invention
The technical problem to be solved in the present invention is of the prior art for the baseband chip in mobile phone during not with line-in interface in order to overcome, need to add the device of peripheral hardware as amplifier, switch and multimedia processor etc., increase like this defect of the production cost of mobile phone and the complexity of mobile phone, a kind of mobile terminal and television field frame input method are provided, the present invention adopts television audio signals and voice signal to share same transfer voice path, make television audio signals through AD converter (analog to digital converter), encoder, decoder and DA transducer (digital to analog converter) finally transfer out television field frame by loud speaker, there is the production cost of mobile terminal of reduction and the complexity of mobile terminal.
The present invention solves above-mentioned technical problem by following technical proposals:
The invention provides a kind of mobile terminal, it comprises a microphone, a baseband chip and a loud speaker, this baseband chip comprises an AD converter, an encoder, a decoder and a DA transducer, this microphone is connected with this encoder by this AD converter, this loud speaker is connected with this decoder by this DA transducer, its feature is, a television audio signals transfers to this AD converter by an analog interface;
This AD converter for by this television audio signals be converted to one first digital signal and by this first digital data transmission to this encoder;
This encoder for to this first encoding digital signals and by this encoded first digital data transmission to this decoder;
This decoder for to this encoded first digital signal decode and by through decoding this first digital data transmission to this DA transducer;
This DA transducer for by through decoding this first digital signal be converted to one first analog signal and by this first analog signal transmission to this loud speaker.
Wherein, in the time that this baseband chip is processed the voice signal of this microphone reception, this microphone by this transmission of sound signals receiving to this AD converter, this AD converter by this voice signal be converted to one second digital signal and by this second digital data transmission to this encoder, this encoder is to this second encoding digital signals and by this encoded the second digital data transmission to radio-frequency module, and this radio-frequency module is modulated this encoded second digital signal and modulated this second digital signal is sent.In the time that this baseband chip is processed a three digital signal of this radio-frequency module reception, this radio-frequency module carries out demodulation and this three digital signal through demodulation is transferred to this decoder this three digital signal receiving, this decoder to decode through this three digital signal of demodulation and will through decoding this three digital signal transfer to this DA transducer, this DA transducer by through decoding this three digital signal be converted to one second analog signal and by this second analog signal transmission to this loud speaker.
Process voice signal and this baseband chip of this microphone reception processes in the three digital signal process of this radio-frequency module reception at this above-mentioned baseband chip, this baseband chip has complete sound and amplifies, the functions such as switching, based on this function, in the time that this baseband chip of this mobile terminal does not have with line-in interface, this microphone on this mobile terminal just becomes unique acoustic input dephonoprojectoscope, so, the present invention adopts television audio signals and voice signal to share same transfer voice path, share and comprise the up link of this AD converter and this encoder and comprise this loud speaker, the down link of this DA transducer and this decoder.
Preferably, this baseband chip also comprises a coded buffer, this coded buffer is connected with this encoder, this encoder for by this encoded first digital data transmission to this coded buffer, this coded buffer for by this encoded first digital data transmission to this decoder.
Preferably, this baseband chip also comprises a decoding buffer, this decoding buffer is connected with this decoder, this encoder for by this encoded first digital data transmission to this decoding buffer, this decoding buffer for by this encoded first digital data transmission to this decoder.
Preferably, this baseband chip also comprises a coded buffer and a decoding buffer, this coded buffer is connected with this encoder, this decoding buffer is connected with this decoder, this encoder is used for this encoded first digital data transmission to this coded buffer, this coded buffer for by this encoded first digital data transmission to this decoding buffer, this decoding buffer for by this encoded first digital data transmission to this decoder.
Preferably, this analog interface is connected with the difference positive pole of this baseband chip by one first block capacitor, this analog interface is successively by one first divider resistance and the one second divider resistance ground connection that are connected, and this analog interface is connected with the difference negative pole of this baseband chip with one second block capacitor by this first divider resistance successively.
Preferably, the difference positive pole of this baseband chip accesses the bias voltage of this microphone successively by one the 3rd block capacitor and one first amplitude limit resistance, the difference negative pole of this baseband chip accesses the bias voltage of this microphone successively by one the 4th block capacitor, this microphone and this first amplitude limit resistance, and the bias voltage of this microphone is successively by this first amplitude limit resistance, this microphone and one second amplitude limit grounding through resistance.
Wherein, television audio signals is inputed in this process of baseband chip by analog interface, first television audio signals is converted to differential signal and transfers to again baseband chip, equally voice signal is first converted to differential signal and transfers to again baseband chip, all have advantages of that antijamming capability is strong.
The present invention also provides a kind of television field frame input method, and its feature is, this television field frame input method utilizes above-mentioned mobile terminal to realize, and this television field frame input method comprises:
S
1, this television audio signals transfers to this AD converter by this analog interface;
S
2, this AD converter by this television audio signals be converted to this first digital signal and by this first digital data transmission to this encoder;
S
3, this encoder to this first encoding digital signals and by this encoded first digital data transmission to this decoder;
S
4, this decoder this encoded first digital signal is decoded and by through decoding this first digital data transmission to this DA transducer;
S
5, this DA transducer by through decoding this first digital signal be converted to this first analog signal and by this first analog signal transmission to this loud speaker.
Preferably, this baseband chip also comprises a coded buffer, and this coded buffer is connected with this encoder, at S
3in, this encoder by this encoded first digital data transmission to this coded buffer, this coded buffer by this encoded first digital data transmission to this decoder.
Preferably, this baseband chip also comprises a decoding buffer, and this decoding buffer is connected with this decoder, at S
3in, this encoder by this encoded first digital data transmission to this decoding buffer, this decoding buffer by this encoded first digital data transmission to this decoder.
Preferably, this baseband chip also comprises a coded buffer and a decoding buffer, and this coded buffer is connected with this encoder, and this decoding buffer is connected with this decoder, at S
3in, this encoder by this encoded first digital data transmission to this coded buffer, this coded buffer by this encoded first digital data transmission to this decoding buffer, this decoding buffer by this encoded first digital data transmission to this decoder.
Positive progressive effect of the present invention is:
Mobile terminal of the present invention and television field frame input method, adopt television audio signals and voice signal to share same transfer voice path, make television audio signals finally transfer out television field frame by loud speaker through AD converter, encoder, decoder and DA transducer, there is the production cost of mobile terminal of reduction and the complexity of mobile terminal.
Accompanying drawing explanation
Fig. 1 is the structure chart of the mobile terminal of embodiments of the invention 1.
Fig. 2 is the circuit structure diagram of the mobile terminal of embodiments of the invention 1.
Fig. 3 is the flow chart of the television field frame input method of the mobile terminal of embodiments of the invention 1.
Fig. 4 is the structure chart of the mobile terminal of embodiments of the invention 2.
Fig. 5 is the structure chart of the mobile terminal of embodiments of the invention 3.
Fig. 6 is the flow chart of the television field frame input method of the mobile terminal of embodiments of the invention 3.
Embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to describe technical scheme of the present invention in detail, but therefore do not limit the present invention among described scope of embodiments.
As shown in Figure 1, the present embodiment provides a kind of mobile terminal, it comprises a microphone 1, a baseband chip 2 and a loud speaker 3, this baseband chip 2 comprises an AD converter 21, an encoder 22, a coded buffer 23, a decoder 25, a DA transducer 26, an analog interface 27 and a radio-frequency module 28, this microphone 1 is connected with this coded buffer 23 by this AD converter 21, this encoder 22 successively, and this loud speaker 3 is connected with this decoder 25 by this DA transducer 26.
One television audio signals transfers to this AD converter 21 by this analog interface 27, this AD converter 21 for this television audio signals is converted to one first digital signal and by this first digital data transmission to this encoder 22;
This encoder 22 for to this first encoding digital signals and by this encoded first digital data transmission to this coded buffer 23;
This coded buffer 23 for by this encoded first digital data transmission to this decoder 25;
This decoder 25 for this encoded first digital signal is decoded and by through decoding this first digital data transmission to this DA transducer 26;
This DA transducer 26 for by through decoding this first digital signal be converted to one first analog signal and by this first analog signal transmission to this loud speaker 3.
Shown in figure 2, the circuit structure diagram of its mobile terminal that is the present embodiment, the present embodiment is described in detail this mobile terminal in conjunction with the structure of above-mentioned mobile terminal and the circuit structure diagram of Fig. 2:
As shown in Figure 2, this mobile terminal comprises one first difference channel and one second difference channel, this first difference channel comprises one first block capacitor C1, one second block capacitor C2, one first divider resistance R1 and one second divider resistance R2, and this second difference channel comprises one the 3rd block capacitor C3, one the 4th block capacitor C4, one first amplitude limit resistance R 3 and one second amplitude limit resistance R 4.
Wherein, this analog interface 27 is connected with the difference positive pole of this baseband chip 2 by this first block capacitor C1, this analog interface 27 is successively by this first divider resistance R1 and this second divider resistance R2 ground connection that are connected, and this analog interface 27 is connected with the difference negative pole of this baseband chip 2 with this second block capacitor C2 by this first divider resistance R1 successively.
The difference positive pole of this baseband chip 2 is successively by the bias voltage of the 3rd block capacitor C3 and this first amplitude limit resistance R 3 these microphones 1 of access, the difference negative pole of this baseband chip 2 is successively by the bias voltage of the 4th block capacitor C4, this microphone 1 and this first amplitude limit resistance R 3 these microphones 1 of access, and the bias voltage of this microphone 1 is successively by this first amplitude limit resistance R 3, this microphone 1 and this second amplitude limit resistance R 4 ground connection.
In the time that this analog interface 27 receives this television audio signals, by this first difference channel, this television audio signals is converted to one first differential signal, by this first differential signal by this AD converter 21 be converted to this first digital signal and by this first digital data transmission to this encoder 22, this encoder 22 to this first encoding digital signals and by this encoded first digital data transmission to this coded buffer 23, this coded buffer 23 by this encoded first digital data transmission to this decoder 25, this decoder 25 this encoded first digital signal is decoded and by through decoding this first digital data transmission to this DA transducer 26, this DA transducer 26 by through decoding this first digital signal be converted to this first analog signal and by this first analog signal transmission to this loud speaker 3.
In the time that this microphone 1 receives a voice signal, by this second difference channel, this voice signal is converted to one second differential signal, by this second differential signal by this AD converter 21 be converted to one second digital signal and by this second digital data transmission to this encoder 22, this encoder 22 to this second encoding digital signals and by this encoded second digital data transmission to this coded buffer 23, this coded buffer 23 by this encoded second digital data transmission to this radio-frequency module 28, this radio-frequency module 28 is modulated this encoded second digital signal and modulated this second digital signal is sent.
As shown in Figure 3, the present embodiment also provides a kind of television field frame input method, and it utilizes above-mentioned mobile terminal to realize, and this television field frame input method comprises the following steps:
As shown in Figure 4, the mobile terminal that the present embodiment provides does not comprise this coded buffer 23 in embodiment 1, other building block of this mobile terminal is identical with embodiment 1, in addition, this mobile terminal also comprises a decoding buffer 24, this microphone 1 is connected with this encoder 22 by this AD converter 21, this loud speaker 3 is successively by this DA transducer 26, this decoder 25 is connected with this decoding buffer 24, this radio frequency chip 28 is connected with this decoding buffer 24 with this encoder 22 respectively, this decoding buffer 24 for by this first digital data transmission of encoding through this encoder 22 to this decoder 25.
The television field frame input method of this mobile terminal that the present embodiment provides is compared with the television field frame input method in embodiment 1, except step 103 and step 104 different, other step is all identical with the television field frame input method in embodiment 1.The step 103 of the present embodiment ' and step 104 ' replaces step 103 and the step 104 in embodiment 1, step 103 ' and step 104 ' be:
Step 103 ', this encoder by this encoded first digital data transmission to this decoding buffer;
Step 104 ', this decoding buffer by this encoded first digital data transmission to this decoder.
As shown in Figure 5, the mobile terminal that the present embodiment provides comprises all parts that this mobile terminal in embodiment 1 and embodiment 2 comprises, this mobile terminal comprises a microphone 1, one baseband chip 2 and a loud speaker 3, this baseband chip comprises an AD converter 21, one encoder 22, one coded buffer 23, one decoding buffer 24, one decoder 25, one DA transducer 26, one analog interface 27 and a radio-frequency module 28, this microphone 1 is successively by this AD converter 21, this encoder 22 is connected with this coded buffer 23, this loud speaker 3 is successively by this DA transducer 26, this decoder 25 is connected with this decoding buffer 24.
In the time that this analog interface 27 receives this television audio signals, by this first difference channel, this television audio signals is converted to one first differential signal, by this first differential signal by this AD converter 21 be converted to this first digital signal and by this first digital data transmission to this encoder 22, this encoder 22 to this first encoding digital signals and by this encoded first digital data transmission to this coded buffer 23, this coded buffer 23 by this encoded first digital data transmission to this decoding buffer 24, this decoding buffer 24 by this encoded first digital data transmission to this decoder 25, this decoder 25 this encoded first digital signal is decoded and by through decoding this first digital data transmission to this DA transducer 26, this DA transducer 26 by through decoding this first digital signal be converted to this first analog signal and by this first analog signal transmission to this loud speaker 3.
In the time that this microphone 1 receives a voice signal, by this second difference channel, this voice signal is converted to one second differential signal, by this second differential signal by this AD converter 21 be converted to one second digital signal and by this second digital data transmission to this encoder 22, this encoder 22 to this second encoding digital signals and by this encoded second digital data transmission to this coded buffer 23, this coded buffer 23 by this encoded second digital data transmission to this radio-frequency module 28, this radio-frequency module 28 is modulated this encoded second digital signal and modulated this second digital signal is sent.
As shown in Figure 6, the present embodiment also provides a kind of television field frame input method, and it utilizes above-mentioned mobile terminal to realize, and this television field frame input method comprises the following steps:
Although more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited by appended claims.Those skilled in the art is not deviating under the prerequisite of principle of the present invention and essence, can make various changes or modifications to these execution modes, but these changes and modification all fall into protection scope of the present invention.
Claims (11)
1. a mobile terminal, it comprises a microphone, a baseband chip and a loud speaker, this baseband chip comprises an AD converter, an encoder, a decoder and a DA transducer, this microphone is connected with this encoder by this AD converter, this loud speaker is connected with this decoder by this DA transducer, it is characterized in that, a television audio signals transfers to this AD converter by an analog interface;
This AD converter for by this television audio signals be converted to one first digital signal and by this first digital data transmission to this encoder;
This encoder for to this first encoding digital signals and by this encoded first digital data transmission to this decoder;
This decoder for to this encoded first digital signal decode and by through decoding this first digital data transmission to this DA transducer;
This DA transducer for by through decoding this first digital signal be converted to one first analog signal and by this first analog signal transmission to this loud speaker.
2. mobile terminal as claimed in claim 1, it is characterized in that, this baseband chip also comprises a coded buffer, this coded buffer is connected with this encoder, this encoder for by this encoded first digital data transmission to this coded buffer, this coded buffer for by this encoded first digital data transmission to this decoder.
3. mobile terminal as claimed in claim 1, it is characterized in that, this baseband chip also comprises a decoding buffer, this decoding buffer is connected with this decoder, this encoder for by this encoded first digital data transmission to this decoding buffer, this decoding buffer for by this encoded first digital data transmission to this decoder.
4. mobile terminal as claimed in claim 1, it is characterized in that, this baseband chip also comprises a coded buffer and a decoding buffer, this coded buffer is connected with this encoder, this decoding buffer is connected with this decoder, this encoder is used for this encoded first digital data transmission to this coded buffer, this coded buffer for by this encoded first digital data transmission to this decoding buffer, this decoding buffer for by this encoded first digital data transmission to this decoder.
5. mobile terminal as claimed in claim 1, is characterized in that, this mobile terminal also comprises a radio-frequency module;
This microphone is used for the transmission of sound signals receiving to this AD converter;
This AD converter for by this voice signal be converted to one second digital signal and by this second digital data transmission to this encoder;
This encoder for to this second encoding digital signals and by this encoded second digital data transmission to this radio-frequency module;
This radio-frequency module is for modulating this encoded second digital signal and modulated this second digital signal being sent;
This radio-frequency module is also for the three digital signal receiving is carried out demodulation and this three digital signal through demodulation is transferred to this decoder,
This decoder also for to decode through this three digital signal of demodulation and will through decoding this three digital signal transfer to this DA transducer;
This DA transducer also for by through decoding this three digital signal be converted to one second analog signal and by this second analog signal transmission to this loud speaker.
6. mobile terminal as claimed in claim 1, it is characterized in that, this analog interface is connected with the difference positive pole of this baseband chip by one first block capacitor, this analog interface is successively by one first divider resistance and the one second divider resistance ground connection that are connected, and this analog interface is connected with the difference negative pole of this baseband chip with one second block capacitor by this first divider resistance successively.
7. mobile terminal as claimed in claim 1, it is characterized in that, the difference positive pole of this baseband chip accesses the bias voltage of this microphone successively by one the 3rd block capacitor and one first amplitude limit resistance, the difference negative pole of this baseband chip accesses the bias voltage of this microphone successively by one the 4th block capacitor, this microphone and this first amplitude limit resistance, and the bias voltage of this microphone is successively by this first amplitude limit resistance, this microphone and one second amplitude limit grounding through resistance.
8. a television field frame input method, is characterized in that, this television field frame input method utilizes mobile terminal as claimed in claim 1 to realize, and this television field frame input method comprises:
S
1, this television audio signals transfers to this AD converter by this analog interface;
S
2, this AD converter by this television audio signals be converted to this first digital signal and by this first digital data transmission to this encoder;
S
3, this encoder to this first encoding digital signals and by this encoded first digital data transmission to this decoder;
S
4, this decoder this encoded first digital signal is decoded and by through decoding this first digital data transmission to this DA transducer;
S
5, this DA transducer by through decoding this first digital signal be converted to this first analog signal and by this first analog signal transmission to this loud speaker.
9. television field frame input method as claimed in claim 8, is characterized in that, this baseband chip also comprises a coded buffer, and this coded buffer is connected with this encoder, at S
3in, this encoder by this encoded first digital data transmission to this coded buffer, this coded buffer by this encoded first digital data transmission to this decoder.
10. television field frame input method as claimed in claim 8, is characterized in that, this baseband chip also comprises a decoding buffer, and this decoding buffer is connected with this decoder, at S
3in, this encoder by this encoded first digital data transmission to this decoding buffer, this decoding buffer by this encoded first digital data transmission to this decoder.
11. television field frame input methods as claimed in claim 8, is characterized in that, this baseband chip also comprises a coded buffer and a decoding buffer, and this coded buffer is connected with this encoder, and this decoding buffer is connected with this decoder, at S
3in, this encoder by this encoded first digital data transmission to this coded buffer, this coded buffer by this encoded first digital data transmission to this decoding buffer, this decoding buffer by this encoded first digital data transmission to this decoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210521003.0A CN103888583A (en) | 2012-12-06 | 2012-12-06 | Mobile terminal and television accompanying sound input method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210521003.0A CN103888583A (en) | 2012-12-06 | 2012-12-06 | Mobile terminal and television accompanying sound input method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103888583A true CN103888583A (en) | 2014-06-25 |
Family
ID=50957298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210521003.0A Pending CN103888583A (en) | 2012-12-06 | 2012-12-06 | Mobile terminal and television accompanying sound input method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103888583A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231492A (en) * | 2016-08-08 | 2016-12-14 | 钰太芯微电子科技（上海）有限公司 | A kind of MEMS microphone identification system and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101098201A (en) * | 2006-06-29 | 2008-01-02 | 乐金电子（昆山）电脑有限公司 | Audio output device of mobile device for broadcasting reception and control method thereof |
| CN201039408Y (en) * | 2007-03-14 | 2008-03-19 | 中兴通讯股份有限公司 | Audio output control device for mobile phone speaker and mobile phone |
| US20080207262A1 (en) * | 2007-02-28 | 2008-08-28 | Matsushita Electric Industrial Co., Ltd. | Portable terminal apparatus |
| CN101388974A (en) * | 2008-10-22 | 2009-03-18 | 中兴通讯股份有限公司 | Mobile digital multimedia broadcast receiving device and method |
| CN201315595Y (en) * | 2008-12-22 | 2009-09-23 | 深圳市明唐通信有限公司 | Intelligent mobile phone with digital television |
| CN203014945U (en) * | 2012-12-06 | 2013-06-19 | 联美新视信息科技（上海）有限公司 | Mobile terminal |
-
2012
- 2012-12-06 CN CN201210521003.0A patent/CN103888583A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101098201A (en) * | 2006-06-29 | 2008-01-02 | 乐金电子（昆山）电脑有限公司 | Audio output device of mobile device for broadcasting reception and control method thereof |
| US20080207262A1 (en) * | 2007-02-28 | 2008-08-28 | Matsushita Electric Industrial Co., Ltd. | Portable terminal apparatus |
| CN201039408Y (en) * | 2007-03-14 | 2008-03-19 | 中兴通讯股份有限公司 | Audio output control device for mobile phone speaker and mobile phone |
| CN101388974A (en) * | 2008-10-22 | 2009-03-18 | 中兴通讯股份有限公司 | Mobile digital multimedia broadcast receiving device and method |
| CN201315595Y (en) * | 2008-12-22 | 2009-09-23 | 深圳市明唐通信有限公司 | Intelligent mobile phone with digital television |
| CN203014945U (en) * | 2012-12-06 | 2013-06-19 | 联美新视信息科技（上海）有限公司 | Mobile terminal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231492A (en) * | 2016-08-08 | 2016-12-14 | 钰太芯微电子科技（上海）有限公司 | A kind of MEMS microphone identification system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102158778A (en) | Method, equipment and system for reducing headset noise | |
| US20110194713A1 (en) | Hearing aid having multiple sound inputs and methods therefor | |
| CN105846911A (en) | Data transmission method, device and system based on sound wave | |
| CN102223428A (en) | Noise reducing method and mobile terminal | |
| EP4086899A1 (en) | Audio transmission method and electronic device | |
| CN203014945U (en) | Mobile terminal | |
| US10056090B2 (en) | Speech/audio signal processing method and coding apparatus | |
| JP3117272U (en) | Wireless transceiver for audio signals | |
| CN116055951B (en) | Signal processing method and electronic equipment | |
| WO2017185602A1 (en) | Earphone mode switching method and electronic device | |
| CN103888583A (en) | Mobile terminal and television accompanying sound input method | |
| CN204206429U (en) | Audio signal processing | |
| CN207304893U (en) | Multi signal voice input output system | |
| CN105915293A (en) | Voice digital information transmission system and method based on wireless acoustic signals | |
| CN111083250A (en) | Mobile terminal and noise reduction method thereof | |
| CN108574905B (en) | Sound production device, audio transmission system and audio analysis method thereof | |
| US20100228367A1 (en) | Data card for a computer system and related computer system | |
| US9792917B2 (en) | Audio processing device and method and electro-acoustic converting device and method | |
| CN113347614A (en) | Audio processing apparatus, system and method | |
| CN206672626U (en) | A kind of special high-fidelity Wireless pickup of musical instrument | |
| CN220493150U (en) | Wireless audio adapter and related device | |
| US11935546B2 (en) | Transmission error robust ADPCM compressor with enhanced response | |
| CN204795592U (en) | Audiphone communication system | |
| WO2023051367A1 (en) | Decoding method and apparatus, and device, storage medium and computer program product | |
| CN104092824A (en) | Serial port communication method achieved through left sound track and right sound track of earphone of mobile phone by means of signal difference |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140625 |