DE69724440D1 - Mpeg-2-videodatendekodierer für codes variabler länge und dekodiererarchitektur mit zwei geschwindigkeiten - Google Patents
Mpeg-2-videodatendekodierer für codes variabler länge und dekodiererarchitektur mit zwei geschwindigkeitenInfo
- Publication number
- DE69724440D1 DE69724440D1 DE69724440T DE69724440T DE69724440D1 DE 69724440 D1 DE69724440 D1 DE 69724440D1 DE 69724440 T DE69724440 T DE 69724440T DE 69724440 T DE69724440 T DE 69724440T DE 69724440 D1 DE69724440 D1 DE 69724440D1
- Authority
- DE
- Germany
- Prior art keywords
- decoder
- mpeg
- speeds
- video data
- variable length
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
- H03M7/425—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory for the decoding process only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US772078 | 1996-12-20 | ||
US08/772,078 US6011498A (en) | 1996-12-20 | 1996-12-20 | Dual-speed variable length decoding architecture for MPEG-2 video data |
PCT/IB1997/001581 WO1998028711A2 (en) | 1996-12-20 | 1997-12-18 | Dual-speed variable length decoder and decoding architecture for mpeg-2 video data |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69724440D1 true DE69724440D1 (de) | 2003-10-02 |
DE69724440T2 DE69724440T2 (de) | 2004-06-24 |
Family
ID=25093845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69724440T Expired - Fee Related DE69724440T2 (de) | 1996-12-20 | 1997-12-18 | Mpeg-2-videodatendekodierer für codes variabler länge und dekodiererarchitektur mit zwei geschwindigkeiten |
Country Status (5)
Country | Link |
---|---|
US (1) | US6011498A (de) |
EP (1) | EP0925555B1 (de) |
JP (1) | JP2000506715A (de) |
DE (1) | DE69724440T2 (de) |
WO (1) | WO1998028711A2 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6636222B1 (en) * | 1999-11-09 | 2003-10-21 | Broadcom Corporation | Video and graphics system with an MPEG video decoder for concurrent multi-row decoding |
US6215424B1 (en) * | 1998-12-16 | 2001-04-10 | Thomson Licensing S.A. | System for variable length codeword processing suitable for video and other applications |
US6304604B1 (en) * | 1998-12-24 | 2001-10-16 | Compaq Computer Corporation | Method and apparatus for configuring compressed data coefficients to minimize transpose operations |
US6414608B1 (en) * | 1999-06-09 | 2002-07-02 | Matsushita Electric Industrial Co., Ltd. | Variable length code decoding device, digital broadcast receiving apparatus, and DVD reproducing apparatus |
US7292730B1 (en) * | 1999-12-09 | 2007-11-06 | Intel Corporation | Two-dimensional inverse discrete cosine transforming |
US6445314B1 (en) * | 2000-03-01 | 2002-09-03 | Cisco Technology Inc. | System and method for the decoding of variable length codes |
US6501398B2 (en) * | 2000-03-24 | 2002-12-31 | Matsushita Electric Industrial Co., Ltd. | Variable-length code decoder using barrel shifters and a look-up table |
US7034777B1 (en) * | 2000-08-15 | 2006-04-25 | Logitech Europe S.A. | Mini monitor on shared peripheral bus |
US6958715B2 (en) * | 2001-02-20 | 2005-10-25 | Texas Instruments Incorporated | Variable length decoding system and method |
US6925126B2 (en) * | 2001-04-18 | 2005-08-02 | Koninklijke Philips Electronics N.V. | Dynamic complexity prediction and regulation of MPEG2 decoding in a media processor |
CN1245839C (zh) * | 2001-07-04 | 2006-03-15 | 矽统科技股份有限公司 | 分散式视频数据流解码方法 |
US7132963B2 (en) * | 2004-09-13 | 2006-11-07 | Ati Technologies Inc. | Methods and apparatus for processing variable length coded data |
US8599925B2 (en) | 2005-08-12 | 2013-12-03 | Microsoft Corporation | Efficient coding and decoding of transform blocks |
TWI289979B (en) * | 2005-08-16 | 2007-11-11 | Via Tech Inc | Device and method for variable length decoding |
CN101223552A (zh) * | 2005-08-17 | 2008-07-16 | Nxp股份有限公司 | 用于深度提取的视频处理方法和装置 |
CN101658042B (zh) * | 2007-03-13 | 2016-03-02 | 诺基亚技术有限公司 | 用于视频编码和解码的系统和方法 |
TWI332770B (en) * | 2007-03-21 | 2010-11-01 | Via Tech Inc | Variable length decoding device and method for improving variable length decoding performance |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5173695A (en) * | 1990-06-29 | 1992-12-22 | Bell Communications Research, Inc. | High-speed flexible variable-length-code decoder |
US5233348A (en) * | 1992-03-26 | 1993-08-03 | General Instrument Corporation | Variable length code word decoder for use in digital communication systems |
US5231486A (en) * | 1992-07-27 | 1993-07-27 | General Electric Company | Data separation processing in a dual channel digital high definition television system |
EP0665653B1 (de) * | 1994-01-28 | 2001-12-05 | Matsushita Electric Industrial Co., Ltd. | Vorrichtung und Verfahren zur Dekodierung von Kodes variabler Länge |
US5550542A (en) * | 1994-05-04 | 1996-08-27 | Matsushita Electric Corporation Of America | Variable length code look-up table having separate code length determination |
FR2722041B1 (fr) * | 1994-06-30 | 1998-01-02 | Samsung Electronics Co Ltd | Decodeur de huffman |
JP3279852B2 (ja) * | 1994-12-14 | 2002-04-30 | 株式会社日立製作所 | 信号復号装置 |
US5666116A (en) * | 1995-12-01 | 1997-09-09 | U.S. Philips Corporation | High speed variable-length decoder arrangement |
US5663726A (en) * | 1995-12-01 | 1997-09-02 | U.S. Philips Corporation | High speed variable-length decoder arrangement with reduced memory requirements for tag stream buffering |
US5650905A (en) * | 1995-12-28 | 1997-07-22 | Philips Electronics North America Corporation | Variable length decoder with adaptive acceleration in processing of Huffman encoded bit streams |
-
1996
- 1996-12-20 US US08/772,078 patent/US6011498A/en not_active Expired - Fee Related
-
1997
- 1997-12-18 JP JP10528598A patent/JP2000506715A/ja not_active Abandoned
- 1997-12-18 EP EP97946015A patent/EP0925555B1/de not_active Expired - Lifetime
- 1997-12-18 WO PCT/IB1997/001581 patent/WO1998028711A2/en active IP Right Grant
- 1997-12-18 DE DE69724440T patent/DE69724440T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO1998028711A2 (en) | 1998-07-02 |
DE69724440T2 (de) | 2004-06-24 |
US6011498A (en) | 2000-01-04 |
WO1998028711A3 (en) | 1998-08-27 |
EP0925555A2 (de) | 1999-06-30 |
EP0925555B1 (de) | 2003-08-27 |
JP2000506715A (ja) | 2000-05-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69724440D1 (de) | Mpeg-2-videodatendekodierer für codes variabler länge und dekodiererarchitektur mit zwei geschwindigkeiten | |
DE69928010D1 (de) | Erhöhte videowiedergabebildfrequenz in videoanwendungen | |
HK1026100A1 (en) | Video decoder with interleaved data processing. | |
DE69724382D1 (de) | Video-Dekodierer mit einheitlichem Speicher | |
BR9706905A (pt) | Aparelho para codificação de vídeo e aparelho para decodificação de vídeo | |
DE69723088D1 (de) | Internet-fernsehgerät | |
EP0966107A4 (de) | Kodierer für wörter variabler länge und dekodierungsverfahren | |
DE69517856D1 (de) | Fernsehbildkodier- und Aufnahmevorrichtung und Fernsehbildkodier-, Aufnahme- und Wiedergabevorrichtung | |
DE69738494D1 (de) | Videokodierungs- und Videodekodierungsvorrichtung | |
DE69736031D1 (de) | Transportdekodierer für MPEG-2 | |
DE69739999D1 (de) | Videokodierung und -dekodierung | |
FI955263A0 (fi) | Monikantoaaltoisen digitaalisen televisiosignaalin dekooderi | |
DE59707803D1 (de) | Kompaktes video-mikroskop | |
DE69936347D1 (de) | System mit bedingtem zugang für digitalen fernsehrundfunk | |
NO971704D0 (no) | Fremgangsmåte for reversering av multimedikamantsesistens | |
DE69535710D1 (de) | Dekodierer variabler Länge für bitgestopfte Daten | |
DE69416773D1 (de) | Variabler Längen-Kodieren und variabler Längen-Dekodierer | |
DE69738176D1 (de) | Videodekodierer | |
DE69621917D1 (de) | Dekoder für variable längenkodierte daten mit multi-codebuch | |
DE69940088D1 (de) | Videoverarbeitung und Wiedergabe | |
GB2309537B (en) | High speed emulsions exhibiting superior speed-granularity relationships | |
BR9708474A (pt) | Transmissão | |
DE69636273D1 (de) | Videokodierer und -dekodierer | |
GB2309536B (en) | High speed emulsions exhibiting superior contrast and speed-granularity relationships | |
DE69431572D1 (de) | Videodekodierer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |