CN1878276A - TV set compatible with HDMI and DVI - Google Patents
TV set compatible with HDMI and DVI Download PDFInfo
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- CN1878276A CN1878276A CN 200610021110 CN200610021110A CN1878276A CN 1878276 A CN1878276 A CN 1878276A CN 200610021110 CN200610021110 CN 200610021110 CN 200610021110 A CN200610021110 A CN 200610021110A CN 1878276 A CN1878276 A CN 1878276A
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Abstract
The invention relates to a television that compatible with HDMI and DVI, which comprises HDMI, decode module, video processing module, digit-analogue converting module, and voice processing module. Wherein, the decode module decodes and outputs the video data of HDMI signal to the video processing module, and decodes part of voice data of HDMI signal to be output to the digit-analogue converting module. And the invention also comprises an additional voice input terminal, while one of additional voice input terminal and digit-analogue converting module or both them are coupled to the voice processing module. With said invention, one television is able to be compatible with HDMI and DVI, with little modification on present HDMI television, without authentication again.
Description
Technical field
The present invention relates to television set, particularly comprise the television set of digital input port.
Background technology
For saving cost, the television set that comprises digital input port of Xiao Shouing generally adopts digital visual interface (Digital Visual Interface in the market, be called for short DVI) or adopt HDMI (HighDefinition Multimedia Interface is called for short HDMI).The user has bought the television set that only comprises DVI, then can not use the HDMI signal; Vice versa.This can bring a lot of inconvenience to the user.
Simultaneously, along with the continuous maturation of technology, the R﹠D cycle of a new television set constantly shortens, but adopts the television set needs of HDMI authenticated, and this authentication period is comparatively very long, and the phase is thrown in the market that has seriously delayed the television set of employing HDMI.And the television set that adopts DVI does not have the restriction of authentication.
As shown in Figure 1, the existing television set of HDMI that adopts comprises HDMI2, decoder module 10, video processing module 4, D/A converter module 11, audio processing modules 5, screen 9, loud speaker 8.The HDMI signal is imported by HDMI, the video data part of HDMI signal decodes the treatable video data of video processing module and exports video processing module to by decoder module, decoder module becomes the voice data partial decoding of h of HDMI signal the treatable voice data of D/A converter module and exports D/A converter module to, video processing module receives the video data of decoder module output and carries out respective handling (as: convergent-divergent), export the processed video data to screen, just show respective image on the screen.The digital audio-frequency data that D/A converter module receives decoder module output converts analog audio data to, exports analog audio data to audio processing modules, and the voice data after audio processing modules will be handled exports loud speaker to, comes out by loudspeaker plays.
Summary of the invention
The technical problem to be solved in the present invention is: the television set of a kind of energy compatible with HDMI and DVI is provided, and does not need to authenticate again.
Technical scheme of the present invention is summarized as follows: the television set of a kind of compatible with HDMI and DVI, comprise HDMI, decoder module, video processing module, D/A converter module, audio processing modules, decoder module is with the video data partial decoding of h of HDMI signal and export video processing module to, and with the voice data partial decoding of h of HDMI signal and export D/A converter module to; Also comprise the supplemental audio input terminal, supplemental audio input terminal and D/A converter module the two one of or all be coupled to audio processing modules.
Wherein, the input of described gating module links to each other with D/A converter module with the supplemental audio input terminal respectively; Described identification module input links to each other with the HDMI signal or by the signal that HDMI decodes, output links to each other with the control end of gating module, being used to discern the signal that is received is HDMI signal or DVI signal, and controls gating module gating D/A converter module or supplemental audio input terminal according to the result of identification.
Wherein, described supplemental audio input terminal is the RCA terminal.
Wherein, described television set also comprises adapter, and this first end of transferring is DVI, the HDMI2 coupling on the other end and the television set.
Compared with prior art, effect of the present invention is as follows: use the present invention can realize providing convenience compatible with HDMI and DVI to the user on same television set.Concerning the television set business men, use the present invention only to need on the television set of the existing HDMI of employing, to carry out a spot of change simultaneously, do not need to authenticate again, shortened the time of launch products, make the television set business men obtain more profits.
Description of drawings
Fig. 1 is the prior art constructions block diagram.
Fig. 2 is the structured flowchart of embodiment 1.
Fig. 3 a is the front view of adapter.
Fig. 3 b is the front view of adapter.
Fig. 3 c is the rearview of adapter.
Fig. 3 d is the vertical view of adapter.
Fig. 3 e is the cutaway view of adapter.
Fig. 4 is the structured flowchart of embodiment 2.
Fig. 5 is the structured flowchart of embodiment 3.
1. adapters among the figure, 2.HDMI, 3. identification module, 4. video processing module, 5. audio processing modules, 6. supplemental audio input terminal, 7. gating module, 8. loud speaker, 9. screen, 10. decoder module, 11. audio frequency D/A converter modules.
Embodiment
Also the present invention is described in further detail in conjunction with the accompanying drawings below by specific embodiment.
Embodiment 1:
As shown in Figure 2, the present invention improves on the television set of existing employing HDMI, is embodied in and sets up supplemental audio input terminal 6, preferred RCA terminal.
The supplemental audio input terminal links to each other with audio processing modules 5, and when adopting the DVI signal, the voice data of TV signal is from supplemental audio input terminal 6 input television sets.Supplemental audio input terminal 6 and/or audio frequency D/A converter module 11 all are coupled to audio processing modules 5.
Shown in Fig. 3 a, Fig. 3 b, Fig. 3 c, Fig. 3 d, Fig. 3 e, use for the convenience of the user, can establish adapter 1 in addition, above-mentioned adapter 1 one ends are DVI, the HDMI2 coupling on the other end and the television set.This adapter 1 makes television set realize the input of digital video and two kinds of signals of high-resolution multimedia in the periphery, and does not need to authenticate again.For example: can not need when the user uses the HDMI signal insert adapter 1, directly use the HDMI2 on the television set; When the user used the DVI signal, insertion adapter 1 can use the DVI interface on this adapter 1.
Decoder module 10 of the present invention can not only go out the video data partial decoding of h of HDMI signal video processing module 4 treatable video datas and export video processing module 4 to, and with the voice data partial decoding of h audio frequency mould modular converter 11 treatable voice datas of HDMI signal and export audio frequency D/A converter module 11 to, the DVI signal decoding can also be gone out video processing module 4 treatable video datas and export video processing module 4 to.
The course of work of the television set of above-mentioned compatible with HDMI and DVI is as follows: when the user need use the HDMI signal, directly this signal is linked to each other with HDMI2, decoder module 10 goes out video processing module 4 treatable video datas with the HDMI signal decoding and exports video processing module 4 to and with the voice data partial decoding of h audio frequency mould modular converter 11 treatable voice datas of HDMI signal and export audio frequency D/A converter module 11 to; Video processing module 4 receives the video data of decoder module 10 outputs and carries out respective handling (as: convergent-divergent), export the processed video data to screen 9, just show respective image on the screen 9, audio frequency D/A converter module 11 receives the voice data of decoder module 10 outputs and converts digital audio and video signals to simulated audio signal, export the voice data (comprising L channel and R channel) after the conversion to audio processing modules 5 processing and export loud speaker 8 again to, loud speaker 8 just plays out corresponding sound.
When the user need use the DVI signal, just link to each other with supplemental audio input terminal 6 with the HDMI2 on the adapter 1 insertion television set and with voice data; The DVI signal is by digital visual interface on the adapter 1 and HDMI2 input decoder module 10; Decoder module 10 goes out the DVI signal decoding video processing module 4 treatable video datas and exports video processing module 4 to; Video processing module 4 receives the video data of decoder module 10 outputs and carries out respective handling (as: convergent-divergent), exports the processed video data to screen 9, just shows respective image on the screen 9; Voice data by 6 inputs of supplemental audio input terminal just exports loud speaker 8 to, and loud speaker 8 just plays out corresponding sound.
Embodiment 2:
As shown in Figure 4, present embodiment is set up identification module 3 and gating module 7 on the basis of embodiment 1, identification module 3 inputs link to each other with HDMI2, output links to each other with the input of decoder module 10 and the control end of gating module 7, the output of decoder module 10 links to each other with the input of video processing module 4 and the input of audio frequency D/A converter module 11, the output of video processing module 4 links to each other with the input of screen 9, the output of audio frequency D/A converter module 11, the output of supplemental audio input terminal 6 links to each other with the input of gating module 7, the output of gating module 7 links to each other with the input of audio processing modules 5, and the output of audio processing modules 5 links to each other with the input of loud speaker 8.，
Identification module 3 receives the signal of HDMI2 output, and identifying the signal that is received is HDMI signal or DVI signal, and will receive signal and export decoder module 10 to.
Video processing module 4 receives the video data of decoder module 10 outputs and carries out respective handling (as: convergent-divergent), exports the processed video data to screen 9, just shows respective image on the screen 9.
Audio frequency D/A converter module 11 receives the voice data of decoder module 10 outputs and converts digital audio and video signals to simulated audio signal, exports the voice data (comprising L channel and R channel) after handling to gating module 7.
Supplemental audio input terminal 6 input audio datas (comprising L channel and R channel) also export the voice data that receives to gating module 7.
Gating module 7 under the control of identification module 3, the voice data of selecting 11 outputs of audio frequency D/A converter module to audio processing modules 5 or the voice data of selecting 6 outputs of supplemental audio input terminal to audio processing modules 5.If identification module 3 identify received signal be the HDMI signal then identification module 3 output control signals to the control end of gating module 7, the output of control gating module 7 ringing tone frequency mould modular converters 11; If identification module 3 identify received signal be the DVI signal then identification module 3 output control signals to the control end of gating module 7, the output that control gating module 7 is connected supplemental audio input terminals 6.
Audio processing modules 5 can be handled the voice data of input, and its output links to each other with the input of loud speaker 8.
The course of work of the present invention is as follows: when the user need use the HDMI signal, directly this signal is linked to each other with HDMI2, it is that the HDMI signal also exports this HDMI signal to decoder module 10 that identification module 3 identifies this signal, controls the output that gating module 7 switches to audio frequency D/A converter module 11 simultaneously; Decoder module 10 goes out video processing module 4 treatable video datas with the HDMI signal decoding and exports video processing module 4 to and with the voice data partial decoding of h audio frequency mould modular converter 11 treatable voice datas of HDMI signal and export audio frequency D/A converter module 11 to; Video processing module 4 receives the video data of decoder module 10 outputs and carries out respective handling (as: convergent-divergent), export the processed video data to screen 9, just show respective image on the screen 9, audio frequency D/A converter module 11 receives the voice data of decoder module 10 outputs and converts digital audio and video signals to simulated audio signal, exports the voice data (comprising L channel and R channel) after handling to gating module 7; The voice data of HDMI signal exports audio processing modules 5 to by gating module 7 and exports loud speaker 8 again to, and loud speaker 8 just plays out corresponding sound.
When the user need use the DVI signal, just adapter 1 is inserted the HDMI2 on the television set and the voice data of TV signal inserted supplemental audio input terminal 6; The DVI signal is by digital visual interface on the adapter 1 and HDMI2 input identification module 3, it is the DVI signal that identification module 3 identifies this signal, and export this DVI signal to decoder module 10, control the output that gating module 7 switches to supplemental audio input terminal 6 simultaneously; Decoder module 10 goes out the DVI signal decoding video processing module 4 treatable video datas and exports video processing module 4 to; Video processing module 4 receives the video data of decoder module 10 outputs and carries out respective handling (as: convergent-divergent), exports the processed video data to screen 9, just shows respective image on the screen 9; Voice data by supplemental audio input terminal 6 input just exports audio processing modules 5 to by gating module 7 and exports loud speaker 8 again to; Loud speaker 8 just plays out corresponding sound.
Embodiment 3:
As shown in Figure 5, present embodiment is that the decoder module input links to each other with HDMI2, the input of output and identification module 3 with the difference of embodiment 2.
The preferred liquid crystal TV set of above-mentioned television set.
Claims (4)
1. the television set of compatible with HDMI and DVI, comprise HDMI, decoder module, video processing module, D/A converter module, audio processing modules, decoder module is with the video data partial decoding of h of HDMI signal and export video processing module to, and with the voice data partial decoding of h of HDMI signal and export D/A converter module to;
It is characterized in that: also comprise the supplemental audio input terminal, supplemental audio input terminal and D/A converter module the two one of or all be coupled to audio processing modules.
2, the television set of a kind of compatible with HDMI according to claim 1 and DVI is characterized in that: also comprise identification module, gating module;
The input of described gating module links to each other with D/A converter module with the supplemental audio input terminal respectively;
Described identification module input links to each other with the HDMI signal or by the signal that HDMI decodes, output links to each other with the control end of gating module, being used to discern the signal that is received is HDMI signal or DVI signal, and controls gating module gating D/A converter module or supplemental audio input terminal according to the result of identification.
3. according to the television set of claim 1 or described a kind of compatible with HDMI of claim 2 and DVI, it is characterized in that:
Described supplemental audio input terminal is the RCA terminal.
4. according to the television set of claim 1 or described a kind of compatible with HDMI of claim 2 and DVI, it is characterized in that:
Described television set also comprises adapter, and this first end of transferring is DVI, the HDMI2 coupling on the other end and the television set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610021110 CN1878276A (en) | 2006-05-31 | 2006-05-31 | TV set compatible with HDMI and DVI |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610021110 CN1878276A (en) | 2006-05-31 | 2006-05-31 | TV set compatible with HDMI and DVI |
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| Publication Number | Publication Date |
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| CN1878276A true CN1878276A (en) | 2006-12-13 |
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| CN 200610021110 Pending CN1878276A (en) | 2006-05-31 | 2006-05-31 | TV set compatible with HDMI and DVI |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102572351A (en) * | 2010-12-25 | 2012-07-11 | 鸿富锦精密工业（深圳）有限公司 | VGA (Video Graphics Array) and HDMI (High Definition Multimedia Interface) compatible interface circuit |
| CN101466008B (en) * | 2007-12-21 | 2013-01-02 | 瑞昱半导体股份有限公司 | Signal acceptance method and circuit for judging transmission standard of input signal |
| CN107302677A (en) * | 2016-04-14 | 2017-10-27 | 鸿富锦精密工业(武汉)有限公司 | HDMI and DP compatibility interface circuits |
-
2006
- 2006-05-31 CN CN 200610021110 patent/CN1878276A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101466008B (en) * | 2007-12-21 | 2013-01-02 | 瑞昱半导体股份有限公司 | Signal acceptance method and circuit for judging transmission standard of input signal |
| CN102572351A (en) * | 2010-12-25 | 2012-07-11 | 鸿富锦精密工业（深圳）有限公司 | VGA (Video Graphics Array) and HDMI (High Definition Multimedia Interface) compatible interface circuit |
| CN107302677A (en) * | 2016-04-14 | 2017-10-27 | 鸿富锦精密工业(武汉)有限公司 | HDMI and DP compatibility interface circuits |
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