CN202930028U - Digital home audio-visual system supporting high-definition audio decoding - Google Patents
Digital home audio-visual system supporting high-definition audio decoding Download PDFInfo
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- CN202930028U CN202930028U CN201220422124.5U CN201220422124U CN202930028U CN 202930028 U CN202930028 U CN 202930028U CN 201220422124 U CN201220422124 U CN 201220422124U CN 202930028 U CN202930028 U CN 202930028U
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Abstract
The utility model discloses a digital home audio-visual system supporting high-definition audio decoding. The platform supports the function of high-definition decoding, introduces electronic frequency division, dual power amplifiers and a loudspeaker preset calibration curve at the same time, and additionally arranges a professional karaoke effector and a multifunctional digital audio-visual center applying a whistler preventing algorithm. A DSP (digital signal processor) 1 is responsible for dolby and DTS (digital theatre system) high-definition audio decoding, and a DSP 2 is responsible for some post-processing functions, including realization of the electronic frequency division, the dual power amplifiers, the loudspeaker preset calibration curve, the professional karaoke effector and the multifunctional digital audio-visual center applying the self-developed whistler preventing algorithm. The digital home audio-visual system disclosed by the utility model successfully accomplishes combination of high-definition decoding with the electronic frequency division, the dual power amplifiers, the loudspeaker preset calibration curve, the professional karaoke effector and the whistler preventing algorithm, and sets up a multifunctional home audio-visual center platform.
Description
Technical field
The utility model relates to electronic applications, in particular a kind of digital home's audio-video system of supporting the high definition audio decoding.
Background technology
Along with the raising of people's living standard, also more and more higher to the requirement of home audio-visual, support Doby, DTS high definition audio product also to enter successively huge numbers of families; Increase along with people's demand, all kinds of audio and video equipments that people's Family needs is put are more and more, be useful on the karaoke machine of performance, audio decoder, the home theater power amplifier, series of products of supporting Active crossover etc. also may be arranged, it is too many that loom has so just appearred, use, put loaded down with trivial details, in order to allow people's home theater product can be integrated into a loom the inside, satisfy most of people's demand, develop digital home's movie theatre product multi-functional, that collect numerous loom strong points and one imperative.
Therefore, prior art has yet to be improved and developed.
The utility model content
The purpose of this utility model is to provide a kind of digital home's audio-video system of supporting the high definition audio decoding, is intended to solve existing family audio and video equipment various, do not have one multi-functional, integrate the problem of digital home's movie theatre product of numerous functions.
The technical solution of the utility model is as follows:
A kind of digital home's audio-video system of supporting the high definition audio decoding, it is characterized in that, comprise analog input unit, output unit, HDMI (High Definition Multimedia Interface), Sony's philips digital interface, the first digital signal processor, the second digital signal processor, selector switch, analog/digital die change piece and numeral/analog conversion module, described HDMI (High Definition Multimedia Interface) be connected Sony's philips digital interface and connect respectively the first digital signal processor; The first digital signal processor connects the second digital signal processor; The second digital signal processor connects HDMI (High Definition Multimedia Interface); Analog/digital die change piece connects the first digital signal processor; Numeral/analog conversion module connects the second digital signal processor; Analog input unit connecting analog/digital die change piece; Output unit connects numeral/analog conversion module.
Digital home's audio-video system of described support high definition audio decoding, wherein, described HDMI (High Definition Multimedia Interface) and described Sony philips digital interface also are connected to the first digital signal processor by selector switch respectively.
Digital home's audio-video system of described support high definition audio decoding wherein, connects by ARC numerical digit transmission interface between described HDMI (High Definition Multimedia Interface) and described Sony philips digital interface.
Digital home's audio-video system of described support high definition audio decoding wherein, is provided with multichannel output and input interface on described HDMI (High Definition Multimedia Interface).
The beneficial effects of the utility model: the utility model is by using two audio frequency special DSP chips, one of them is used for being responsible for Doby, the decoding of DTS high definition audio, another sheet is done some aftertreatments, comprise Active crossover, double power amplifier, loudspeaker preset calibration curve, professional Karaoke effect device.Realized supporting present state-of-the-art HD decoding: comprise Doby TrueHD, Dolby Digital Plus(Dolby Digital+technology), DTS Master, DTS HI RES etc.Realized perfect electronics partial, it not only can be used for the HI-FI two-channel, also can be used for multichannel.Use the implantation of this circuit, allow the all-channel sound effect can keep best linear high-fidelity to amplify, also for providing the double power amplifier partial to exigent friend fan of sound quality, provide simultaneously loudspeaker to preset calibration curve, further improved and listen sound quality.Realize professional Karaoke reverberation Echo processor, the performance Karaoke effect of being in is very outstanding, and adds the anti-algorithm of uttering long and high-pitched sounds of independent research, guarantees that loud the performance be the protection high pitch loudspeaker.
Description of drawings
Fig. 1 is the theory diagram of realizing of the audio-visual central platform of the utility model digital home.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, clear and definite, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.
The utility model relates to digital home's audio-video system of high definition audio decoding, especially having electronic frequency division, double power amplifier, loudspeaker preset calibration curve, professional Karaoke effect device, and digital home's audio-video system of the support Doby of the anti-algorithm of uttering long and high-pitched sounds that passes through, DTS high definition audio decoding.
referring to Fig. 1, native system comprises the analog input unit, output unit, HDMI interface (High Definition Multimedia Interface, HDMI (High Definition Multimedia Interface)), S/PDIF interface (Sony/Philips Digital Interface, Sony's philips digital interface), the first digital signal processor, the second digital signal processor, selector switch, analog/digital die change piece and numeral/analog conversion module, described HDMI interface be connected Sony's philips digital interface and connect respectively the first digital signal processor, the first digital signal processor connects the second digital signal processor, analog/digital die change piece connects the first digital signal processor, numeral/analog conversion module connects the second digital signal processor, analog input unit connecting analog/digital die change piece, output unit connects numeral/analog conversion module, the second digital signal processor connects HDMI (High Definition Multimedia Interface), and described HDMI interface and S/PDIF interface also are connected to the first digital signal processor by selector switch respectively, connect by ARC numerical digit transmission interface between described HDMI interface and S/PDIF interface.
The utility model provides the audio-visual central platform of digital home of a high definition audio decoding, it is supporting Doby, DTS(Digital Theatre System, the digitizing cinema system) introduce Active crossover in the audio-visual center machine of digital home of high definition audio decoding, double power amplifier, loudspeaker preset calibration curve, professional Karaoke effect device, and the anti-algorithm of uttering long and high-pitched sounds.
And use two audio frequency special DSPs (Digital Signal Processing, digital signal processor) chip to process realization; The first digital signal processor DSP 1 is responsible for Doby, the decoding of DTS high definition audio, the second 2 of digital signal processor DSPs are done some post-processing functions, comprise Active crossover, double power amplifier, loudspeaker preset calibration curve, professional Karaoke effect device, and use the anti-algorithm of uttering long and high-pitched sounds.
Realized supporting present state-of-the-art HD decoding: comprise Doby Dolby TrueHD, DolbyDigital Plus, DTS Master, DTS HI RES etc.Realized perfect electronics partial, it not only can be used for the HI-FI two-channel, also can be used for multichannel.Use the implantation of this circuit, allow the Whole frequency band sound effect can keep best linear high-fidelity to amplify, also for providing the double power amplifier partial to exigent friend fan of sound quality, provide simultaneously loudspeaker to preset calibration curve, further improved and listen sound quality.Realize professional Karaoke reverberation Echo processor, the performance Karaoke effect of being in is very outstanding, and adds the anti-algorithm of uttering long and high-pitched sounds of independent research, guarantees that loud the performance be the protection high pitch loudspeaker.
Should be understood that; application of the present utility model is not limited to above-mentioned giving an example; for those of ordinary skills, can be improved according to the above description or conversion, all these improve and conversion all should belong to the protection domain of the utility model claims.
Claims (4)
1. digital home's audio-video system of supporting high definition audio decoding, it is characterized in that, comprise analog input unit, output unit, HDMI (High Definition Multimedia Interface), Sony's philips digital interface, the first digital signal processor, the second digital signal processor, selector switch, analog/digital die change piece and numeral/analog conversion module, described HDMI (High Definition Multimedia Interface) be connected Sony's philips digital interface and connect respectively the first digital signal processor; The first digital signal processor connects the second digital signal processor; The second digital signal processor connects HDMI (High Definition Multimedia Interface); Analog/digital die change piece connects the first digital signal processor; Numeral/analog conversion module connects the second digital signal processor; Analog input unit connecting analog/data-converting block; Output unit connects numeral/analog conversion module.
2. digital home's audio-video system of support high definition audio decoding according to claim 1, is characterized in that, described HDMI (High Definition Multimedia Interface) and described Sony philips digital interface also are connected to the first digital signal processor by selector switch respectively.
3. digital home's audio-video system of support high definition audio decoding according to claim 1, is characterized in that, connects by ARC numerical digit transmission interface between described HDMI (High Definition Multimedia Interface) and described Sony philips digital interface.
4. digital home's audio-video system of support high definition audio decoding according to claim 1, is characterized in that, is provided with multichannel output and input interface on described HDMI (High Definition Multimedia Interface).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220422124.5U CN202930028U (en) | 2012-08-23 | 2012-08-23 | Digital home audio-visual system supporting high-definition audio decoding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220422124.5U CN202930028U (en) | 2012-08-23 | 2012-08-23 | Digital home audio-visual system supporting high-definition audio decoding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202930028U true CN202930028U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220422124.5U Expired - Lifetime CN202930028U (en) | 2012-08-23 | 2012-08-23 | Digital home audio-visual system supporting high-definition audio decoding |
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| Country | Link |
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| CN (1) | CN202930028U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104349266A (en) * | 2013-08-07 | 2015-02-11 | 钟志杰 | Indoor digital high-definition cinema and digital music karaoke compatible system |
| CN105979467A (en) * | 2016-04-29 | 2016-09-28 | 乐视控股（北京）有限公司 | Method and device for integrating multiple audio signal post-processing algorithms in Qualcomm platform |
-
2012
- 2012-08-23 CN CN201220422124.5U patent/CN202930028U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104349266A (en) * | 2013-08-07 | 2015-02-11 | 钟志杰 | Indoor digital high-definition cinema and digital music karaoke compatible system |
| CN105979467A (en) * | 2016-04-29 | 2016-09-28 | 乐视控股（北京）有限公司 | Method and device for integrating multiple audio signal post-processing algorithms in Qualcomm platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |