CN205320217U - HEVC4K audio/video coding ware - Google Patents
HEVC4K audio/video coding ware Download PDFInfo
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- CN205320217U CN205320217U CN201521128244.4U CN201521128244U CN205320217U CN 205320217 U CN205320217 U CN 205320217U CN 201521128244 U CN201521128244 U CN 201521128244U CN 205320217 U CN205320217 U CN 205320217U
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Abstract
The utility model relates to an audio/video coding ware technical field especially relates to a HEVC4K audio/video coding ware, separate including input string and conversion and audio frequency that inlay module, video data processing module, HEVC 4K coding module, audio encoder, the multiplexing module of audio frequency and video and TS flows output module, the input string and the conversion and the audio frequency separate inlay the module video data processing module with the HEVC4K coding module connects gradually, audio encoding module with input string and conversion and audio frequency are separated and are inlayed the module connection, the multiplexing module of audio frequency and video respectively with HEVC4K coding module, audio encoder and TS flow output module and connect. The utility model discloses an invention aim at provides a HEVC 4K audio/video coding decoder, adopts the utility model provides a technical scheme can flow 4K's super high definition video the signal and directly convert code stream H. 265, the high -efficient transmission code check that reduces to to realize that the audio frequency and video terminal is wider to the program source of the clear cover of superelevation.
Description
Technical field
This utility model relates to audio/video coder technical field, particularly relates to a kind of HEVC4K audio/video coder.
Background technology
HEVC, English spelling: HighEfficiencyVideoCoding, is a kind of new video compression standard, it is possible to substitute H.264/AVC coding standard. HEVC compression scheme can make compression efficiency during 1080P video content improve about 50%, this means that the quality of video content will rise many, and the substantial amounts of network bandwidth can be saved down, for consumers, we can enjoy higher-quality 4K video, 3D blue light, high-definition television program content.
HEVC may be considered that quickly by popular consensus standard, because no matter being 3D Blu-ray player or other some DST PLAYERs, it is all badly in need of a new codec, to reach to play the ability of 4K content.
Utility model content
Goal of the invention of the present utility model is in that to provide a kind of HEVC4K audio/video coding decoder, adopt the technical scheme that this utility model provides the ultra high-definition video stream signal of 4K can be directly changed into code stream H.265, efficiently reduce transmission code rate, thus it is wider to realize the program source that ultra high-definition covers by audio-video terminal.
In order to reach foregoing invention purpose, this utility model provides a kind of HEVC4K audio/video coder, flows output module including input serioparallel exchange and audio frequency de-embedding module, video data processing module, HEVC4K coding module, audio coder, audio frequency and video Multiplexing module and TS; Described input serioparallel exchange and audio frequency de-embedding module, described video data processing module and described HEVC4K coding module are sequentially connected with, and be used for inputting 4K video source signal, and described 4K video source signal carries out H.265 video format coding, form video TS stream; Described audio coding module is connected with described input serioparallel exchange and audio frequency de-embedding module, for encoding the audio TS stream of output multi-format;Described audio frequency and video Multiplexing module flows output module with described HEVC4K coding module, audio coder and TS respectively and is connected, for described video TS stream and audio TS stream are carried out synchronization process and exported.
Preferably, described HEVC4K video encoding module includes H.265 video encoder and first memory; Described H.265 video encoder is connected with described digital video processing module and described audio frequency and video Multiplexing module respectively.
Preferably, described audio frequency and video Multiplexing module includes audio frequency and video multiplexer and second memory; Described audio frequency and video multiplexer flows output module with described HEVC4K video encoding module, audio coding module and TS respectively and is connected.
Preferably, the external interface type of described input string modular converter and audio frequency de-embedding module is SDI interface; It is ASI interface that described TS flows output interface.
Compared with audio-visual system conventional at present, the HEVC4K audio/video coder that this utility model provides has the advantages that
One, video format supports 4K coding, meets user's coding requirement to ultra high-definition program;
Two, ultra high-definition encoder bit rate is low, when ensureing high-quality video quality, meets the requirement of transmission bandwidth;
Three, modular IC design is all adopted, easy to use.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below. It should be evident that the accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is this utility model embodiment circuit block diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described. Obviously, described embodiment is only a part of embodiment of this utility model, rather than whole embodiments. Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
Embodiment
As shown in Figure 1, present embodiment discloses a kind of HEVC4K audio/video coder, flow output module 60 including input serioparallel exchange and audio frequency de-embedding module 10, video data processing module 20, HEVC4K coding module 30, audio coding module 40, audio frequency and video Multiplexing module 50 and TS. Input serioparallel exchange and audio frequency de-embedding module 10, video data processing module 20 and HEVC4K coding module 30 are sequentially connected with, audio coding module 40 is connected with input serioparallel exchange and audio frequency de-embedding module 10, and audio frequency and video Multiplexing module 50 flows output module 60 with HEVC4K coding module 30, audio coder 40 and TS respectively and is connected.
Wherein the external interface type of input serioparallel exchange and audio frequency de-embedding module 10 is SDI interface, and it is ASI interface that TS flows the interface of output module 60, and ASI interface is serial communication interface, and transmission speed is fast, and audio, video data quality is high.
Concrete, HEVC4K coding module 30 is H.265 encoder 31 and memorizer 32. H.265 it is high compression digital video coding-coding device international standard, highly versatile, it is simple to carry out exchanging and propagating, improves client and superelevation is radically reformed the needs of video; Memorizer 32 includes many granules DDR3 memorizer and NandFlash chip, and storage speed is fast, it is possible to provide spatial cache for 4K video source signal coding.
Audio frequency and video Multiplexing module 50 includes audio frequency and video multiplexer 51 and memorizer 52, multiplexer 51 and HEVC4K coding module 30, audio coding module 40, TS stream output connection 60. This memorizer 52 includes many granules DDR3 memorizer and NandFlash chip equally.
The present embodiment inputs serioparallel exchange and the input of audio frequency de-embedding module realization reception 4K video source signal by SDI, 4K video source signal is carried out the coding of H.265 video format by HEVC4K coding module, and form video TS stream, the audio TS stream of audio coding module coding output multi-format, video TS stream and audio TS stream after coding are delivered to audio frequency and video Multiplexing module, do output after audio-visual synchronization processes, TS flows the serial TS stream of output module output HEVC4KH.265 form, complete coding, there is the Signal coding of 4K video source, encoder bit rate low velocity is fast, process the feature of the image of ultra high-definition in real time.
Embodiments described above, is not intended that the restriction to this technical scheme protection domain. The amendment made within any spirit at above-mentioned embodiment and principle, equivalent replacement and improvement etc., should be included within the protection domain of this technical scheme.
Claims (4)
1. a HEVC4K audio/video coder, it is characterised in that:
Output module is flowed including input serioparallel exchange and audio frequency de-embedding module, video data processing module, HEVC4K coding module, audio coder, audio frequency and video Multiplexing module and TS;
Described input serioparallel exchange and audio frequency de-embedding module, described video data processing module and described HEVC4K coding module are sequentially connected with, and be used for inputting 4K video source signal, and described 4K video source signal carries out H.265 video format coding, form video TS stream;
Described audio coding module is connected with described input serioparallel exchange and audio frequency de-embedding module, for encoding the audio TS stream of output multi-format;
Described audio frequency and video Multiplexing module flows output module with described HEVC4K coding module, audio coder and TS respectively and is connected, for described video TS stream and audio TS stream are carried out synchronization process and exported.
2. HEVC4K audio/video coder according to claim 1, it is characterised in that:
Described HEVC4K video encoding module includes H.265 video encoder and first memory;
Described H.265 video encoder is connected with described digital video processing module and described audio frequency and video Multiplexing module respectively.
3. HEVC4K audio/video coder according to claim 1, it is characterised in that:
Described audio frequency and video Multiplexing module includes audio frequency and video multiplexer and second memory;
Described audio frequency and video multiplexer flows output module with described HEVC4K video encoding module, audio coding module and TS respectively and is connected.
4. the HEVC4K audio/video coder according to Claims 2 or 3, it is characterised in that:
The external interface type of described input string modular converter and audio frequency de-embedding module is SDI interface;
It is ASI interface that described TS flows output interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521128244.4U CN205320217U (en) | 2015-12-28 | 2015-12-28 | HEVC4K audio/video coding ware |
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| CN201521128244.4U CN205320217U (en) | 2015-12-28 | 2015-12-28 | HEVC4K audio/video coding ware |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111726700A (en) * | 2020-06-10 | 2020-09-29 | 北京中联合超高清协同技术中心有限公司 | Video relay system and video receiving system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111726700A (en) * | 2020-06-10 | 2020-09-29 | 北京中联合超高清协同技术中心有限公司 | Video relay system and video receiving system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 516006 Shunchang 1, Huinan Industrial Park, Zhongkai High-tech Zone, Huizhou City, Guangdong Province Patentee after: Wellav video Polytron Technologies Inc Address before: 516006 63 District, Hui Tai Industrial Park, Zhongkai hi tech Zone, Huizhou, Guangdong Patentee before: HUIZHOU WELLAV TECHNOLOGIES CO., LTD. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: HEVC4K audio/video coding ware Effective date of registration: 20191101 Granted publication date: 20160615 Pledgee: Pudong Shanghai Development Bank, Limited by Share Ltd Huizhou branch Pledgor: Wellav video Polytron Technologies Inc Registration number: Y2019440000174 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200528 Granted publication date: 20160615 Pledgee: Pudong Shanghai Development Bank Limited by Share Ltd. Huizhou branch Pledgor: WELLAV TECHNOLOGIES Ltd. Registration number: Y2019440000174 |