CN201117245Y - Karaoke player based on digital television receiving terminal - Google Patents
Karaoke player based on digital television receiving terminal Download PDFInfo
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- CN201117245Y CN201117245Y CNU200720171329XU CN200720171329U CN201117245Y CN 201117245 Y CN201117245 Y CN 201117245Y CN U200720171329X U CNU200720171329X U CN U200720171329XU CN 200720171329 U CN200720171329 U CN 200720171329U CN 201117245 Y CN201117245 Y CN 201117245Y
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Abstract
The utility model discloses a karaoke player on the base of digital television receiving terminal, which comprises an audio frequency collecting module, a regulating control module, a reverberation unit, a frequency mixing encoder/ decoder, a USB code stream control module and a side USB interface, wherein the audio frequency collecting module collects on-site sound information and inputs the sound information into the reverberation unit to do reverberation treatment, the reverberation signals are output to the frequency mixing encoder/decoder, the regulating control module adjusts the audio effect of the reverberation signals which are produced by the reverberation unit, the frequency mixing encoder/ decoder does frequency mixing and coding and decoding treatment for the reverberation signals which are input by the reverberation unit and the background music which is input by the USB code stream control module, and the reverberation signals and the background music return to the digital television receiving terminal through the USB code stream control module. The karaoke player is convenient for using, which does not add the manufacture cost of the digital television receiving terminal when excellent karaoke effect is achieved.
Description
Technical field
The utility model relates to the video-audio player technical field, especially relates to a kind of Karaoke player based on receiving terminal for digital television.
Background technology
Along with popularizing of digital TV set-top box, set-top box has become the multimedia hub of home entertaining, the function of top box of digital machine is also more and more abundanter, comprise video request program, performance recording etc., this can't satisfy the consumer entertainment demand then, as the family multi-media platform, Kara OK function is prerequisite.
As Chinese patent application CN200720120589.4 number, disclosed " a kind of receiving terminal for digital television ".As shown in Figure 1, it comprises field data information acquisition unit 11, places the peripheral interface of described receiving terminal for digital television, the data message of collection site; Data message coding unit 12 is connected communication with described microprocessor, field data information acquisition unit 11, and field data information is encoded; Hard disk unit 15 is connected storing data information with described field data information acquisition unit 11; Data processing unit 14 is connected deal with data information with described data message coding unit 12; Data message output unit 16 is connected with described data processing unit 14, the data message after output is handled.The user can export audio, video data in real time by this receiving terminal for digital television, simultaneously can store audio-video signal, makes, voice real more to the user, video is that play simultaneously and experience that have the on-the-spot broadcasting effect.
But this kind set-top box is that the Karaoke module is built in the set-top box the inside, when having increased the manufacturing cost of set-top box, has increased unnecessary burden for the user who does not need Kara OK function, has also caused unnecessary waste.
The utility model content
Technical problem to be solved in the utility model provides a kind of Karaoke player based on receiving terminal for digital television, and it is placed on receiving terminal for digital television, has reduced the manufacturing cost of receiving terminal for digital television.
For solving technical matters of the present utility model, the utility model discloses a kind of Karaoke player based on receiving terminal for digital television, it is by connecting receiving terminal for digital television from USB interface, comprises the audio collection module, regulates control module, reverberator, mixing coder/decoder, USB code stream control module and from USB interface;
Described audio collection module connects reverberator, is used for the acoustic information of collection site, and acoustic information is imported reverberator;
Described reverberator connects audio collection module, control module and mixing coder/decoder, is used for that acoustic information is carried out reverberation and handles, and the output reverb signal is to the mixing coder/decoder;
Described adjusting control module connects reverberator, and the audio that is used for reverb signal that reverberator is produced is regulated;
Described mixing coder/decoder connects reverberator and USB code stream control module, be used for carrying out mixing and coding/decoding processing, be back to receiving terminal for digital television by USB code stream control module again to the reverb signal of reverberator input with by the background music that USB code stream control module is imported;
Described USB code stream control module connects the mixing coder/decoder, is used for by the background music from the input of USB interface receiving digital television receiving terminal input mixing coder/decoder; And the mixed frequency signal that is used for the mixing coder/decoder is exported is by being back to receiving terminal for digital television from USB interface.
Wherein, described Karaoke player also comprises the information display module that connects USB code stream control module, is used for showing according to the signal bit stream of USB code stream control module output the current information and/or the current state of Karaoke player.
Wherein, described information display module is LED display module, VFD display screen or LCD display.
Wherein, described current information comprises volume and song title.
Wherein, described current state comprises open state, off-mode and holding state.
Wherein, the audio of described acoustic information comprises volume, reverberation and left and right acoustic channels counterbalance effect.
Compared with prior art, the utlity model has following beneficial effect: the utility model is connected with receiving terminal for digital television by USB interface, conveniently uses, and does not increase the manufacturing cost of receiving terminal for digital television when reaching the Karaoke effect.
Description of drawings
Fig. 1 is the receiving terminal for digital television structural drawing of background technology;
Fig. 2 is the structural drawing of the utility model first embodiment;
Fig. 3 is the structural drawing of the utility model second embodiment.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment 1
As shown in Figure 2, the utility model mainly is by placing being connected with receiving terminal for digital television with the main USB interface that places receiving terminal for digital television from USB interface in it, being placed on receiving terminal for digital television.In the present embodiment, receiving terminal for digital television is a set-top box.
Present embodiment comprises the audio collection module, regulates control module, reverberator, mixing coder/decoder, USB code stream control module and from USB interface; The audio collection module is connected with reverberator, is used for the acoustic information of collection site, and acoustic information is imported reverberator, and in the present embodiment, the audio collection module can be microphones such as MIC, is placed on body.
Reverberator connects the audio collection module, regulates control module and mixing coder/decoder, is used for that acoustic information is carried out reverberation and handles, and exports reverb signal then to the mixing coder/decoder;
Described adjusting control module connects reverberator, and the audio that is used for reverb signal that reverberator is produced is regulated, and in the present embodiment, regulates control module and adopts potentiometer.The audio of described acoustic information comprises volume, reverberation effect and left and right acoustic channels counterbalance effect.
Described mixing coder/decoder connects reverberator and USB code stream control module, be used for carrying out mixing and coding/decoding processing to the reverb signal of reverberator input with by the background music that USB code stream control module is imported, reverb signal is carried out the A/D conversion, carry out mixing with background music, after the Unified coding, be back to receiving terminal for digital television by USB code stream control module again;
Described USB code stream control module connects the mixing coder/decoder, is used for by the background music from the input of USB interface receiving digital television receiving terminal input mixing coder/decoder; And the mixed frequency signal that is used for the mixing coder/decoder is exported is by being back to set-top box from USB interface.
Be provided with main USB interface in the set-top box, be connected to the Karaoke player by the USB line, be connected to stereo set or televisor by audio output interface, after set-top box receives the mixed frequency signal of Karaoke player input by its main USB interface, decode by the audio coding/decoding module again, decoded mixed audio signal is play by audio frequency output module input stereo set or televisor, thereby realized Kara OK function.
Embodiment 2
As shown in Figure 3, the difference of present embodiment and embodiment 1 is: the Karaoke player of present embodiment also comprises the information display module that is connected to USB code stream control module, and it is used for showing according to the signal bit stream of USB code stream control module output the current information and the current state of Karaoke player.Information display module can be LED display module, VFD display screen or LCD display.Current information comprises contents such as volume, song title, time, song, and current state comprises open state, and off-mode and holding state, present embodiment can further facilitate the user and use by the display status information of information display module.
Below describe the course of work of present embodiment in detail.
The Karaoke player is connected with the main USB interface of set-top box with the USB line, after set-top box powers on, gives the power supply of Karaoke player by the USB line, information display module can show open state, for example: initial time.
At the set-top box end: the user is by after the set-top box program request song, the set-top box playing back music, application software or driver are converted to consolidation form by the audio coding/decoding device with the sound signal of all kinds of background musics, as the data stream of forms such as PCM, MPEG, send to USB code stream control module by main USB interface.By the mixing coder/decoder reverb signal of background music and reverberator input is carried out the mixing coding again, the mixed frequency signal after will handling again is back to USB code stream control module, passes to the audio coding/decoding device of set-top box through the USB line, decodes.Pass through audio frequency output module output audio signal at last to stereo set or television for play.
At Karaoke player end: after the audio collection module collects acoustic information, the input reverberator carries out reverberation to be handled, reverb signal is imported mixing coder/decoder coding, simultaneously, also can realize the control of volume, reverberation, left and right acoustic channels balance by regulating the audio that control module is regulated reverb signal.USB code stream control module also can receive the broadcast information of background music, as: song title, reproduction time etc. show by information display module then.
Claims (6)
1, a kind of Karaoke player based on receiving terminal for digital television, it is characterized in that: by connect the digital television receiver terminal from USB interface, comprise the audio collection module, regulate control module, reverberator, mixing coder/decoder, USB code stream control module and from USB interface;
Described audio collection module connects reverberator, is used for the acoustic information of collection site, and acoustic information is imported reverberator;
Described reverberator connects the audio collection module, regulates control module and mixing coder/decoder, is used for that acoustic information is carried out reverberation and handles, and the output reverb signal is to the mixing coder/decoder;
Described adjusting control module connects reverberator, and the audio that is used for reverb signal that reverberator is produced is regulated;
Described mixing coder/decoder connects reverberator and USB code stream control module, be used for carrying out mixing and coding/decoding processing, be back to receiving terminal for digital television by USB code stream control module again to the reverb signal of reverberator input with by the background music that USB code stream control module is imported;
Described USB code stream control module connects the mixing coder/decoder, is used for by the background music from the input of USB interface receiving digital television receiving terminal input mixing coder/decoder; And the mixed frequency signal that is used for the mixing coder/decoder is exported is by being back to receiving terminal for digital television from USB interface.
2, the Karaoke player based on receiving terminal for digital television as claimed in claim 1, it is characterized in that: also comprise the information display module that connects USB code stream control module, be used for showing the current information and/or the current state of Karaoke player according to the signal bit stream of USB code stream control module output.
3, the Karaoke player based on receiving terminal for digital television as claimed in claim 2 is characterized in that: described information display module is LED display module, VFD display screen or LCD display.
4, the Karaoke player based on receiving terminal for digital television as claimed in claim 2, it is characterized in that: described current information comprises volume and song title information.
5, the Karaoke player based on receiving terminal for digital television as claimed in claim 2, it is characterized in that: described current state comprises open state, off-mode and holding state
6, the Karaoke player based on receiving terminal for digital television as claimed in claim 1, it is characterized in that: the audio of described acoustic information comprises volume, reverberation and left and right acoustic channels counterbalance effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720171329XU CN201117245Y (en) | 2007-11-27 | 2007-11-27 | Karaoke player based on digital television receiving terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720171329XU CN201117245Y (en) | 2007-11-27 | 2007-11-27 | Karaoke player based on digital television receiving terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201117245Y true CN201117245Y (en) | 2008-09-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720171329XU Expired - Fee Related CN201117245Y (en) | 2007-11-27 | 2007-11-27 | Karaoke player based on digital television receiving terminal |
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| Country | Link |
|---|---|
| CN (1) | CN201117245Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111680A (en) * | 2009-12-25 | 2011-06-29 | 康佳集团股份有限公司 | Song classification management method of STB |
| CN102802082A (en) * | 2012-07-09 | 2012-11-28 | 福建星网视易信息系统有限公司 | Method and song ordering system supporting using of plurality of effectors |
| CN104851441A (en) * | 2015-05-15 | 2015-08-19 | 小米科技有限责任公司 | Method of realizing karaoke, device and home audio |
| CN105245991A (en) * | 2015-10-26 | 2016-01-13 | 汪国印 | Head-mounted karaoke singing earphone and karaoke singing processing method |
| CN105516752A (en) * | 2014-09-25 | 2016-04-20 | 中兴通讯股份有限公司 | Set top box, and switching device and method thereof |
| CN109640190A (en) * | 2018-12-27 | 2019-04-16 | 深圳创维－Rgb电子有限公司 | Television interaction method, system and its medium |
| CN112556988A (en) * | 2020-12-02 | 2021-03-26 | 海信视像科技股份有限公司 | Display device and detection circuit thereof |
-
2007
- 2007-11-27 CN CNU200720171329XU patent/CN201117245Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111680A (en) * | 2009-12-25 | 2011-06-29 | 康佳集团股份有限公司 | Song classification management method of STB |
| CN102802082A (en) * | 2012-07-09 | 2012-11-28 | 福建星网视易信息系统有限公司 | Method and song ordering system supporting using of plurality of effectors |
| CN102802082B (en) * | 2012-07-09 | 2015-01-28 | 福建星网视易信息系统有限公司 | Method and song ordering system supporting using of plurality of effectors |
| CN105516752A (en) * | 2014-09-25 | 2016-04-20 | 中兴通讯股份有限公司 | Set top box, and switching device and method thereof |
| CN104851441A (en) * | 2015-05-15 | 2015-08-19 | 小米科技有限责任公司 | Method of realizing karaoke, device and home audio |
| CN104851441B (en) * | 2015-05-15 | 2018-03-09 | 小米科技有限责任公司 | Realize the method, apparatus and home audio of Karaoke |
| CN105245991A (en) * | 2015-10-26 | 2016-01-13 | 汪国印 | Head-mounted karaoke singing earphone and karaoke singing processing method |
| CN109640190A (en) * | 2018-12-27 | 2019-04-16 | 深圳创维－Rgb电子有限公司 | Television interaction method, system and its medium |
| CN112556988A (en) * | 2020-12-02 | 2021-03-26 | 海信视像科技股份有限公司 | Display device and detection circuit thereof |
| CN112556988B (en) * | 2020-12-02 | 2023-09-26 | 海信视像科技股份有限公司 | Display device and detection circuit thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080917 Termination date: 20151127 |