CN102625071A - Processing method of audio information of mobile TV and processing apparatus thereof - Google Patents
Processing method of audio information of mobile TV and processing apparatus thereofDownload PDFInfo
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- CN102625071A CN102625071ACN2011100347386ACN201110034738ACN102625071ACN 102625071 ACN102625071 ACN 102625071ACN 2011100347386 ACN2011100347386 ACN 2011100347386ACN 201110034738 ACN201110034738 ACN 201110034738ACN 102625071 ACN102625071 ACN 102625071A
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Abstract
Description
Technical field
The present invention relates to the communication terminal technology, particularly relate to a kind of processing method and processing unit thereof of mobile TV audio-frequency information.
Background technology
Along with popularizing of mobile phone, increasing mobile phone can receive the multimedia television signal, and the multimedia television signal is generally based on multimedia broadcasting or multicasting technology, as popular DVB-H (DVB), and CMMB (Chinese multimedia broadcasting) etc.
The mobile TV of traditional sense provides receiving the decode of multimedia television signal, is presented on the screen of mobile phone, and through the sound processing unit sounding.
Along with popularizing of automobile, increasing vehicle begins to get into average family.Yet a lot of vehicles only are equipped with the FM reception broadcast receiver, and the multimedia television receiving function is not provided.Therefore, watch, and the sound effect coverage of mobile phone is much smaller than the FM receiver that is equipped with car even if the car owner, also only can satisfy a people with the mobile phone that can receive TV.
Summary of the invention
The technical problem that the present invention will solve is the multimedia voice communication information that can't mobile phone be received for the FM receiver in the automobile that overcomes prior art; Supply with in the automobile everyone the defective listened to, a kind of mobile TV audio-frequency information processing method and processing unit thereof that can enlarge the coverage of mobile TV audio frequency is provided.
The present invention solves above-mentioned technical problem through following technical proposals: a kind of mobile TV audio-frequency information processing method, and its characteristics are that it may further comprise the steps:
S1, sound, frame of video signal in the mobile phone received television signal;
S2, decode said sound, frame of video, and separate processes;
S3, starting hand-set the frequency modulation emission function of frequency modulation transmitter unit, said decoded audio frame is pressed the frame format recompile of frequency modulation emission;
S4, the audio frame of said recompile is mapped in real time the buffering area of said frequency modulation transmitter unit;
S5, launch through the audio frame of said frequency modulation transmitter unit after recompile; And
S6, receive the audio frame signal behind the said recompile that emission comes through broadcast receiver.
Preferably, step S2Also comprise:
S21, by the normal procedure audio frame of said TV signal of decoding, and output to the voice output unit of mobile phone;
S22, by normal procedure the frame of video of said TV signal is carried out video decode after, output to the display unit of mobile phone.
Preferably, step S1Described in mobile phone receive the multimedia television signal through a television receiver unit.
Preferably, step S4Also comprise the step that the audio frame of said recompile is stored in the memory of said mobile phone.
Preferably, said voice output unit is a loud speaker.
It is a kind of based on the as above processing unit of any described mobile TV audio-frequency information processing method that the present invention also provides; Its characteristics are; It comprises: be electrically connected successively one be used to receive the mobile TV signal television receiver unit; One sound, Video Decoder, a frequency modulation emission controlling unit; One is used for said TV signal sound intermediate frequency frame is carried out the audio coder of recompile according to the frame format of frequency modulation emission, and one is used for frequency modulation transmitter unit that the audio frame of recompile is launched through frequency modulation.
Preferably; Said mobile TV audio-frequency information processing unit also comprises a mobile phone baseband subsystems; Said mobile phone baseband subsystem is used for the frequency modulation emission controlling unit that control audio is handled with said sound, Video Decoder, respectively, a frequency modulation transmitter unit, and an audio coder is electrically connected.
Preferably, mobile TV audio-frequency information processing unit also comprises an antenna subsystem and a radio-frequency receiving-transmitting subsystem, and said antenna subsystem is electrically connected with said radio-frequency receiving-transmitting subsystem, and said radio-frequency receiving-transmitting subsystem is electrically connected with said baseband subsystems.
Preferably, said antenna subsystem comprise one with a corresponding wireless communication antenna subsystem of said baseband subsystems and a television receiving antenna subsystem.
Preferably, said radio-frequency receiving-transmitting subsystem is a radio frequency chip.
Preferably, said baseband subsystems also is electrically connected a voice output unit and a display unit.
Preferably, said display unit is a mobile phone display screen.
Positive progressive effect of the present invention is:
1, when carrying out television reception and handling, can also on fixed frequency, launch, thereby realization broadcasting has among a small circle enlarged the coverage of mobile TV audio frequency with shared, realizes the relaying on the another kind of meaning.
2, in the normal use of mobile phone, mobile phone can pass through microphone, and the frequency modulation emission function realized in real-time voice, has strengthened the recreational of mobile phone.
3, when mobile phone carries out television reception, if open the frequency modulation emission function this moment, extract the repeated encoding of audio frequency through audio coder, send through the frequency modulation transmitter module then.
Description of drawings
Fig. 1 is the flow chart of the mobile TV audio-frequency information processing method of the present invention's one preferred embodiment.
Fig. 2 is the structured flowchart of the mobile TV audio-frequency information processing unit of preferred embodiment of the present invention.
Embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to specify technical scheme of the present invention.
Method as shown in Figure 1, that the present invention provides a kind of mobile TV audio-frequency information to handle may further comprise the steps:
As shown in Figure 1, a kind of processing method of mobile TV audio frequency may further comprise the steps:
Sound, frame of video signal instep 101, the reception mobile TV signal.
In the process of mobile phone reception in real time and processing mobile TV signal, mobile phone receives the multimedia television signal through television antenna.
Afterstep 102, audio frequency and video finish receiving, resolve wherein sound, frame of video.Mobile phone carries out separate processes to decoded video sound, frame of video.
Open the frequency modulation emission function of mobile phone, mobile phone is peeled off the audio frame of TV signal, and is sent to audio coder synchronously in normal process multimedia television signal, by the frame format of frequency modulation emission decoded audio frame is carried out recompile.
After the real-time recompile completion of audio frame, can send to the frequency modulation transmitter unit as required, to carry out the emission of sound.Certainly, also can be stored in the memory of mobile phone simultaneously, prepare against the follow-up use of transferring.
It is the audio frame after broadcast receiver receives the recompile that the frequency modulation transmitter unit sends.
After frame of video carried out video decode, output to display unit, and, show in the LCDs such as a mobile phone at the display unit of mobile phone.
Audio frame is decoded, and output to the voice output unit of mobile phone.Through the voice output unit, export such as a loud speaker.
The present invention is except the coding audio signal to mobile TV, and the frequency modulation transmitter unit can also receive microphone signal, common voice is launched, thereby also can be implemented in the audio frequency that the uppick mobile phone sends on the broadcast receiver.
Based on above-mentioned mobile TV audio-frequency information processing method, the present invention also provides a kind of mobile TV audio-frequency information processing unit.
As shown in Figure 2, mobile TV audio-frequency information processing unit of the present invention comprises:baseband subsystems 1, the one radio-frequency receiving-transmittingsubsystem 2 of a mobile phone; Oneantenna subsystem 3; One be used for received television signaltelevision receiver unit 4, one sounds,Video Decoder 5, be used for the frequency modulationemission controlling unit 6 that control audio is handled; One is used for frequencymodulation transmitter unit 7 that the audio frame of recompile is launched through frequency modulation; One is used for said TV signal sound intermediate frequency frame is carried out according to the frame format of frequency modulationemission audio coder 8, one microphones, 9, onedisplay units 10 and avoice output unit 11 of recompile.
Wherein,antenna subsystem 3 comprises wirelesscommunication antenna subsystem 31 and a television receivingantenna subsystem 32 corresponding withbaseband subsystems 1.
Wherein,television receiver unit 4 is used to receive the mobile TV signal.Frequency modulationemission controlling unit 6 is used for the processing of control audio; When opening frequency modulationemission controlling unit 6; Theaudio coder 8 of mobile phone carries out recompile according to the needs of frequency modulation emission to the audio frame in the mobile TV signal, sends through frequencymodulation transmitter unit 7 then.
Frequency modulationemission controlling unit 6 determines whether opening the frequency modulation emission according to the instruction of baseband subsystems 1.Frequency modulationemission controlling unit 6 is not only controlled the emission that comprises voice data in the TV, can also the data ofmicrophone 9 be encoded according to the instruction ofbaseband subsystems 1, thereby carries out the real-time emission of local sound.
The described radio-frequency receiving-transmitting subsystem of present embodiment can adopt radio frequency chip of the prior art to realize.And the frequency modulation transmitter unit, the frequency modulation emission controlling unit, sound, Video Decoder, audio coder, television receiver unit etc. can realize through module of the prior art in reality.Therefore, this part is a prior art, does not give unnecessary details at this.
The present invention has the following advantages:
When carrying out television reception and handling, can also on fixed frequency, launch, thereby realization broadcasting has among a small circle enlarged the coverage of television audio with shared, realizes the relaying on the another kind of meaning.
In the normal use of mobile phone, mobile phone can pass through microphone, and the frequency modulation emission function realized in real-time voice, has strengthened the recreational of mobile phone.
When mobile phone carries out television reception, if open the frequency modulation emission function this moment, extract the repeated encoding of audio frequency through audio coder, send through the frequency modulation transmitter module then.
Though more than described 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 appended claims.Those skilled in the art can make numerous variations or modification to these execution modes under the prerequisite that does not deviate from principle of the present invention and essence, but these changes and modification all fall into protection scope of the present invention.
Claims (12)
1. mobile TV audio-frequency information processing method is characterized in that it may further comprise the steps:
S1, sound, frame of video signal in the mobile phone received television signal;
S2, decode said sound, frame of video, and separate processes;
S3, starting hand-set the frequency modulation emission function of frequency modulation transmitter unit, said decoded audio frame is pressed the frame format recompile of frequency modulation emission;
S4, the audio frame of said recompile is mapped in real time the buffering area of said frequency modulation transmitter unit;
S5, launch through the audio frame of said frequency modulation transmitter unit after recompile; And
S6, receive the audio frame signal behind the said recompile that emission comes through broadcast receiver.
2. mobile TV audio-frequency information processing method as claimed in claim 1 is characterized in that step S2Also comprise:
S21, by the normal procedure audio frame of said TV signal of decoding, and output to the voice output unit of mobile phone;
S22, by normal procedure the frame of video of said TV signal is carried out video decode after, output to the display unit of mobile phone.
3. mobile TV audio-frequency information processing method as claimed in claim 1 is characterized in that step S1Described in mobile phone receive the multimedia television signal through a television receiver unit.
4. mobile TV audio-frequency information processing method as claimed in claim 1 is characterized in that step S4Also comprise the step that the audio frame of said recompile is stored in the memory of said mobile phone.
5. mobile TV audio-frequency information processing method as claimed in claim 2 is characterized in that said voice output unit is a loud speaker.
6. one kind based on the processing unit like any described mobile TV audio-frequency information processing method in the claim 1 to 5; It is characterized in that; It comprises: be electrically connected successively one be used to receive the mobile TV signal television receiver unit; One sound, Video Decoder, a frequency modulation emission controlling unit; One is used for said TV signal sound intermediate frequency frame is carried out the audio coder of recompile according to the frame format of frequency modulation emission, and one is used for frequency modulation transmitter unit that the audio frame of recompile is launched through frequency modulation.
7. processing unit as claimed in claim 6; It is characterized in that; Said mobile TV audio-frequency information processing unit also comprises a mobile phone baseband subsystems; Said mobile phone baseband subsystem is used for the frequency modulation emission controlling unit that control audio is handled with said sound, Video Decoder, respectively, a frequency modulation transmitter unit, and an audio coder is electrically connected.
8. processing unit as claimed in claim 7; It is characterized in that; Mobile TV audio-frequency information processing unit also comprises an antenna subsystem and a radio-frequency receiving-transmitting subsystem; Said antenna subsystem is electrically connected with said radio-frequency receiving-transmitting subsystem, and said radio-frequency receiving-transmitting subsystem is electrically connected with said baseband subsystems.
9. processing unit as claimed in claim 8 is characterized in that, said antenna subsystem comprise one with a corresponding wireless communication antenna subsystem of said baseband subsystems and a television receiving antenna subsystem.
10. processing unit as claimed in claim 8 is characterized in that, said radio-frequency receiving-transmitting subsystem is a radio frequency chip.
11. processing unit as claimed in claim 7 is characterized in that, said baseband subsystems also is electrically connected a voice output unit and a display unit.
12. processing unit as claimed in claim 11 is characterized in that, said display unit is a mobile phone display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100347386ACN102625071A (en) | 2011-02-01 | 2011-02-01 | Processing method of audio information of mobile TV and processing apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100347386ACN102625071A (en) | 2011-02-01 | 2011-02-01 | Processing method of audio information of mobile TV and processing apparatus thereof |
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| CN102625071Atrue CN102625071A (en) | 2012-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011100347386APendingCN102625071A (en) | 2011-02-01 | 2011-02-01 | Processing method of audio information of mobile TV and processing apparatus thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102857833A (en)* | 2012-10-15 | 2013-01-02 | 深圳市佳创软件有限公司 | Audio decoding system and method adapted to android stagefright multimedia framework |
| CN111161523A (en)* | 2019-12-31 | 2020-05-15 | 联想(北京)有限公司 | Processing method and device |
- 2011
- 2011-02-01CNCN2011100347386Apatent/CN102625071A/enactivePending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102857833A (en)* | 2012-10-15 | 2013-01-02 | 深圳市佳创软件有限公司 | Audio decoding system and method adapted to android stagefright multimedia framework |
| CN102857833B (en)* | 2012-10-15 | 2015-02-18 | 深圳市佳创软件有限公司 | Audio decoding system and method adapted to android stagefright multimedia framework |
| CN111161523A (en)* | 2019-12-31 | 2020-05-15 | 联想(北京)有限公司 | Processing method and device |
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