CN202050488U - Digital television system as well as digital television receiving terminal and earphone - Google Patents
Digital television system as well as digital television receiving terminal and earphone Download PDFInfo
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- CN202050488U CN202050488U CN2011200168625U CN201120016862U CN202050488U CN 202050488 U CN202050488 U CN 202050488U CN 2011200168625 U CN2011200168625 U CN 2011200168625U CN 201120016862 U CN201120016862 U CN 201120016862U CN 202050488 U CN202050488 U CN 202050488U
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Abstract
The utility model discloses a digital television system as well as a digital television receiving terminal and an earphone. The system comprises a digital television receiving terminal which is used for performing audio decoding on received multi-television sound digital programs, obtaining at least two types of audio signals and emitting the obtained audio signals. The system also comprises an earphone which is used for receiving the at least two types of audio signals emitted by the digital television receiving terminal, selecting corresponding audio signals according to the arrangement of users and playing the audio signals to the users, and the digital television receiving terminal is connected with the earphone. Through the way, a plurality of watchers can receive corresponding sounds according to personal demands when the plurality of watchers watch a same television program, and do not influence mutually. The utility model is beneficial for popularizing the digital television terminals such as set top boxes, etc.
Description
Technical field
The utility model relates to the digital television techniques field, particularly relates to a kind of digital television system, receiving terminal for digital television and earphone.
Background technology
Universal day by day along with Digital Television is no matter be with digital TV set-top box collocation television set or with the form of digital TV integrated machine, all in the quality of constantly improving self and function.Especially be accompanied by the expansion of emerging Video service such as high definition, 3D, people are also improving constantly for the requirement of its audio-frequency function, and the appearance of multilingual sound accompaniment function is exactly wherein very important one.
In concrete application process, the user can select the language form of sound accompaniment according to the needs of oneself, such as Chinese sound accompaniment, English sound accompaniment or the like when watching TV.But the same time, can only export a kind of sound accompaniment of form, this is in the actual use of family, just show a problem, when having many people to watch program together such as family, everyone can be inconsistent to the demand and the understanding of language, and presumable needs are listened English sound accompaniment, and other people wants to select Chinese sound accompaniment.
For present technology, can't realize that same television set exports multitone sound accompaniment frequently at one time, can only play same program with two set-top box in different places by two TVs, again by selecting different sound accompaniments to realize, but so also lost the meaning of appreciating program with the household together, and increased cost greatly.
How when watching same TV programme, guaranteeing that a plurality of spectators can listen to corresponding sound accompaniment according to the needs of oneself, is one of direction of digital television techniques area research.
The utility model content
The technical problem that the utility model mainly solves provides a kind of digital television system, receiving terminal for digital television and earphone, with when many people watch same TV programme, guarantees that a plurality of spectators can listen to corresponding sound accompaniment according to the needs of oneself.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts provides a kind of digital television system, comprise that the multi-audio digital television program that is used for receiving carries out audio decoder, obtain at least two kinds audio signal, and the audio signal of obtaining is sent the receiving terminal for digital television of emission;
Also comprise at least two kinds of audio signals being used to receive described receiving terminal for digital television emission and according to user's the earphone that the corresponding audio signal of screening plays to the user that is provided with;
Wherein, described receiving terminal for digital television connects described earphone.
According to the utility model one preferred embodiment, described receiving terminal for digital television comprises that one is used for the multi-audio digital television program that receives is carried out audio decoder, obtains the audio decoder module of at least two kinds audio signal,
Comprise that also one is used for the voice modulation module to the coding audio signal modulation,
Wherein, described audio decoder module connects described voice modulation module.
According to the utility model one preferred embodiment, described receiving terminal for digital television comprises that one is used for ANTENN AUDIO transmitter module that the audio signal after the modulation of described voice modulation module coding is launched,
Wherein, described ANTENN AUDIO transmitter module connects described voice modulation module, and described ANTENN AUDIO transmitter module also connects described earphone.
According to the utility model one preferred embodiment, described earphone comprises the ANTENN AUDIO receiver module that is used for received audio signal,
Also comprise the demodulation D/A module that is used for the audio signal that receives is separated the mediation digital-to-analogue conversion,
Wherein, described demodulation D/A module connects described ANTENN AUDIO receiver module.
According to the utility model one preferred embodiment, described earphone comprises that also the voice-grade channel that is used for according to user's setting is selected from least two audio signal selects module,
Also comprise the audio frequency amplification output module that is used for the audio signal that described voice-grade channel selects module to select is amplified output,
Wherein, described voice-grade channel selects module to connect described audio frequency amplification output module.
According to the utility model one preferred embodiment, described earphone also comprises amplifier, and described amplifier connects described audio frequency and amplifies output module.
According to the utility model one preferred embodiment, described earphone also comprises loud speaker, and described loud speaker connects described amplifier.
For solving the problems of the technologies described above, another technical scheme that the utility model adopts provides a kind of receiving terminal for digital television, described terminal comprises that one is used for the multi-audio digital television program that receives is carried out audio decoder, obtains at least two kinds audio signal audio decoder module
Comprise that also one is used for the voice modulation module to the coding audio signal modulation,
Wherein, described audio decoder module connects described voice modulation module.
For solving the problems of the technologies described above, another technical scheme that the utility model adopts provides a kind of earphone, and described earphone comprises that the voice-grade channel that is used for according to user's setting is selected from least two audio signal selects module,
Also comprise the audio frequency amplification output module that is used for the audio signal that described voice-grade channel selects module to select is amplified output,
Wherein, described voice-grade channel selects module to connect described audio frequency amplification output module.
According to the utility model one preferred embodiment, described earphone also comprises the ANTENN AUDIO receiver module that is used for received audio signal,
Also comprise the demodulation D/A module that is used for the audio signal that receives is separated the mediation digital-to-analogue conversion,
Wherein, described demodulation D/A module connects described ANTENN AUDIO receiver module.
The utility model can guarantee that a plurality of spectators can listen to corresponding sound accompaniment according to the needs of oneself, and be independent of each other when many people watch same TV programme, is beneficial to the popularization of receiving terminal for digital television such as set-top box.
Description of drawings
Fig. 1 is the structure chart of the digital television system that provides of the utility model embodiment;
Fig. 2 is the structure chart of receiving terminal for digital television in the digital television system that provides of the utility model embodiment;
Fig. 3 is the structure chart of earphone in the digital television system that provides of the utility model embodiment.
Embodiment
In the utility model first embodiment, a kind of digital television system is provided, comprise that the multi-audio digital television program that is used for receiving carries out audio decoder, obtain at least two kinds audio signal, and the receiving terminal for digital television that the audio signal of obtaining is launched;
Also comprise at least two kinds of audio signals being used to receive described receiving terminal for digital television emission and according to user's the earphone that the corresponding audio signal of screening plays to the user that is provided with;
Wherein, described receiving terminal for digital television connects described earphone.
In the utility model second embodiment, a kind of receiving terminal for digital television is provided, described terminal comprises that one is used for the multi-audio digital television program that receives is carried out audio decoder, obtains the audio decoder module of at least two kinds audio signal,
Also comprise the ANTENN AUDIO transmitter module that is used for audio signal is sent emission,
Wherein, described audio decoder module connects described ANTENN AUDIO transmitter module.
In the utility model the 3rd embodiment, a kind of earphone is provided, comprise the demodulating and decoding module that is used for the audio signal that receives is carried out the demodulation sign indicating number,
Also comprise being used for amplifier that audio signal is amplified, described amplifier connects described demodulating and decoding module.
See also Fig. 1, Fig. 1 shows the structure of the digital television system that the utility model embodiment first embodiment provides.
The structure of described digital television system comprises receiving terminal for digital television 11, also comprises a plurality of earphones 12, and wherein, receiving terminal for digital television 11 connects described earphone 12.
Wherein, receiving terminal for digital television 11 carries out audio decoder to the multi-audio digital television program after receiving the multi-audio digital television program, obtain at least two kinds audio signal, and the audio signal of obtaining is launched.
At least two kinds of audio signals of earphone 12 receiving digital television receiving terminals 11 emission, and play to the user according to user's the corresponding audio signal of screening that is provided with.
More specifically, see also Fig. 2, Fig. 2 shows the internal structure of the receiving terminal for digital television 11 that the utility model embodiment provides.
Described receiving terminal for digital television 11 comprises audio decoder module 111, voice modulation module 112 and ANTENN AUDIO transmitter module 113.
Wherein, audio decoder module 111 is used for the multi-audio digital television program that receives is carried out audio decoder, obtain at least two kinds audio signal, and the audio signal obtained voice-grade channel CH1, the CH2...CHn by multipath sent into voice modulation module 112.
Wherein, in the multi-audio digital television program, comprise multiple sound accompaniment mode, for example English sound accompaniment, Guangdong language sound accompaniment or Chinese sound accompaniment or the like.
ANTENN AUDIO transmitter module 113 is used for the audio signal after described voice modulation module 112 coded modulation is launched, wherein, ANTENN AUDIO transmitter module 113 can be with radio frequency (Radio Frequency, RF) form is launched, can certainly be other form, not enumerate one by one herein.
Wherein, audio decoder module 111 connects voice modulation module 112, and voice modulation module 112 connects ANTENN AUDIO transmitter module 113, and ANTENN AUDIO transmitter module 113 connects earphone 12 by wireless mode.
More specifically, see also Fig. 3, Fig. 3 shows the structure of the earphone 12 that the utility model embodiment provides.
Described earphone 12 comprises that ANTENN AUDIO receiver module 121, demodulation D/A module 122, voice-grade channel selection module 123 and audio frequency amplify output module 124.Described earphone also comprises amplifier 125 and loud speaker 126.
Wherein, ANTENN AUDIO receiver module 121 is used for received audio signal.
Demodulation D/A module 122 is used for the audio signal that ANTENN AUDIO receiver module 121 receives is separated the mediation digital-to-analogue conversion.
In specific implementation process, multiple audio signal is changed out in 122 demodulation of demodulation D/A module, for example audio signal, the audio signal of Guangdong language sound accompaniment or the audio signal of Chinese sound accompaniment of English sound accompaniment are input to different audio frequency logical CH1, CH2...CHn respectively with the audio signal that demodulates.
Voice-grade channel selects module 123 to select from least two audio signal according to user's setting, for example selects the voice-grade channel CH2 of the Guangdong language sound accompaniment that the user sets.
Audio frequency amplifies 124 pairs of described voice-grade channels of output module and selects the audio signal of module 123 selections to amplify output.
Wherein, described demodulation D/A module 122 connects described ANTENN AUDIO receiver module 121, described voice-grade channel selects module 123 to connect described audio frequency amplification output module 124, and described amplifier 125 connects described audio frequency and amplifies output module 124, and described loud speaker 126 connects described amplifier 125.
With receiving terminal for digital television 11 is that set-top box is an example, and decode operation is carried out in all audio frequency sound accompaniments that comprise in 111 pairs of programs that receive of the audio decoder module in the set-top box, obtains the multi-path digital audio signal.For example, have English in the program and two kinds of sound accompaniments existence of Chinese, then audio decoder module 111 decodes the two-way audio signal, afterwards the two-way audio signal is sent to voice modulation module 112, the modulation of the 112 pairs of coding audio signals of voice modulation module obtains being fit to launching behind the data format of ANTENN AUDIO transmitter module 113 emissions.
ANTENN AUDIO receiver module 121 in the earphone 12 is by realizing wireless telecommunications with the ANTENN AUDIO transmitter module 113 of set-top box, receive the data that set-top box is sent, and data are sent to demodulation D/A module 122 separate the mediation digital-to-analogue conversion, obtained the two-way simulated audio signal corresponding this moment with the set-top box end, select in the module 123 at voice-grade channel, setting according to the user, corresponding passage is exported to audio frequency amplify output module 124, and send to amplifier 125 and amplify, output to loud speaker 126 sounding at last, the user hears own selected sound accompaniment.
Obviously, by the utility model embodiment, each user is when watching TV programme in the family, all be from earphone, independently to listen to own selected audio signal, do not disturb mutually, when being implemented in many people and watching same TV programme, everyone can select to listen to the different sound accompaniment forms in the program, and is greatly convenient for users to use.
The utility model embodiment also provides a kind of receiving terminal for digital television, described terminal comprises that one is used for the multi-audio digital television program that receives is carried out audio decoder, obtain at least two kinds audio signal audio decoder module, comprise that also one is used for the voice modulation module to decoded at least two kinds coding audio signal modulation, wherein, described audio decoder module connects described voice modulation module.
Preferably, described receiving terminal for digital television is a set-top box, can certainly be other forms of receiving terminal, does not enumerate one by one herein.
About the structure more specifically and the operation principle of described receiving terminal for digital television, see also Fig. 2 and, repeat no more herein at the detailed description of Fig. 2.
Also a kind of earphone of the utility model embodiment, described earphone comprises that the voice-grade channel that is used for according to user's setting is selected from least two audio signal selects module, also comprise the audio frequency amplification output module that is used for the audio signal that described voice-grade channel selects module to select is amplified output, wherein, described voice-grade channel selects module to connect described audio frequency amplification output module.
Preferably, described earphone also comprises the ANTENN AUDIO receiver module that is used for received audio signal, also comprise the demodulation D/A module that is used for the audio signal that receives is separated the mediation digital-to-analogue conversion, wherein, described demodulation D/A module connects described ANTENN AUDIO receiver module.
About the structure more specifically and the operation principle of described earphone, see also Fig. 2 and, repeat no more herein at the detailed description of Fig. 2.
Among the utility model embodiment, for the digital television program that has comprised multi-audio, when receiving terminal for digital television 11 is play in decoding, all audio frequency sound accompaniments that comprise in the program are decoded, obtain different audio signals, again these multichannel audio signals are sent into ANTENN AUDIO transmitter module 113.After the communication success, the data that receive are carried out the demodulation sign indicating number between earphone 12 and the receiving terminal for digital television 11, and, the audio signal of respective channel is sent to amplifier 125, finally be transferred to loud speaker 126 sounding according to user's setting.What like this, the user heard is exactly own current selected sound accompaniment form.Because each earphone 12 can be selected the voice-grade channel that oneself will listen to arbitrarily, this has just realized that when many people watch same program different people can select to listen to different audio formats, and is greatly convenient for users to use.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (10)
1. a digital television system is characterized in that, comprises that the multi-audio digital television program that is used for receiving carries out audio decoder, obtains at least two kinds audio signal, and the receiving terminal for digital television that the audio signal of obtaining is launched;
Also comprise at least two kinds of audio signals being used to receive described receiving terminal for digital television emission and according to user's the earphone that the corresponding audio signal of screening plays to the user that is provided with;
Wherein, described receiving terminal for digital television connects described earphone.
2. digital television system as claimed in claim 1 is characterized in that, described receiving terminal for digital television comprises that one is used for the multi-audio digital television program that receives is carried out audio decoder, obtains the audio decoder module of at least two kinds audio signal,
Comprise that also one is used for the voice modulation module to the coding audio signal modulation,
Wherein, described audio decoder module connects described voice modulation module.
3. digital television system as claimed in claim 2 is characterized in that, described receiving terminal for digital television comprises that one is used for ANTENN AUDIO transmitter module that the audio signal after the modulation of described voice modulation module coding is launched,
Wherein, described ANTENN AUDIO transmitter module connects described voice modulation module, and described ANTENN AUDIO transmitter module also connects described earphone.
4. digital television system as claimed in claim 3 is characterized in that, described earphone comprises the ANTENN AUDIO receiver module that is used for received audio signal,
Also comprise the demodulation D/A module that is used for the audio signal that receives is separated the mediation digital-to-analogue conversion,
Wherein, described demodulation D/A module connects described ANTENN AUDIO receiver module.
5. digital television system as claimed in claim 4 is characterized in that, described earphone comprises that also the voice-grade channel that is used for according to user's setting is selected from least two audio signal selects module,
Also comprise the audio frequency amplification output module that is used for the audio signal that described voice-grade channel selects module to select is amplified output,
Wherein, described voice-grade channel selects module to connect described audio frequency amplification output module.
6. digital television system as claimed in claim 5 is characterized in that described earphone also comprises amplifier, and described amplifier connects described audio frequency and amplifies output module.
7. digital television system as claimed in claim 6 is characterized in that described earphone also comprises loud speaker, and described loud speaker connects described amplifier.
8. a receiving terminal for digital television is characterized in that, described terminal comprises that one is used for the multi-audio digital television program that receives is carried out audio decoder, obtains at least two kinds audio signal audio decoder module,
Comprise that also one is used for wireless audio signal is carried out the audio frequency demodulation module of demodulation,
Wherein, described audio decoder module connects described audio frequency demodulation module.
9. an earphone is characterized in that, described earphone comprises that the voice-grade channel that is used for according to user's setting is selected from least two audio signal selects module,
Also comprise the audio frequency amplification output module that is used for the audio signal that described voice-grade channel selects module to select is amplified output,
Wherein, described voice-grade channel selects module to connect described audio frequency amplification output module.
10. earphone according to claim 9 is characterized in that, described earphone also comprises the ANTENN AUDIO receiver module that is used for received audio signal,
Also comprise the demodulation D/A module that is used for the audio signal that receives is separated the mediation digital-to-analogue conversion,
Wherein, described demodulation D/A module connects described ANTENN AUDIO receiver module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200168625U CN202050488U (en) | 2011-01-19 | 2011-01-19 | Digital television system as well as digital television receiving terminal and earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200168625U CN202050488U (en) | 2011-01-19 | 2011-01-19 | Digital television system as well as digital television receiving terminal and earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202050488U true CN202050488U (en) | 2011-11-23 |
Family
ID=44990779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200168625U Expired - Fee Related CN202050488U (en) | 2011-01-19 | 2011-01-19 | Digital television system as well as digital television receiving terminal and earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202050488U (en) |
-
2011
- 2011-01-19 CN CN2011200168625U patent/CN202050488U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN SKYWORTH DIGITAL TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SKY-WORTH DIGITAL TECHNOLOGY CO., LTD.;SHENZHEN CITY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Guangdong city of Shenzhen province Nanshan District Gao Xin Road SKYWORTH building A block 14 layer Patentee after: Shenzhen Skyworth Digital Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Gao Xin Road SKYWORTH building A block 14 layer Patentee before: Shenzhen Skyworth Digital Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20180119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |