DE69621917D1 - Dekoder für variable längenkodierte daten mit multi-codebuch - Google Patents
Dekoder für variable längenkodierte daten mit multi-codebuchInfo
- Publication number
- DE69621917D1 DE69621917D1 DE69621917T DE69621917T DE69621917D1 DE 69621917 D1 DE69621917 D1 DE 69621917D1 DE 69621917 T DE69621917 T DE 69621917T DE 69621917 T DE69621917 T DE 69621917T DE 69621917 D1 DE69621917 D1 DE 69621917D1
- Authority
- DE
- Germany
- Prior art keywords
- codebook
- decoder
- variable length
- coded data
- coded
- 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 - Lifetime
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
-
- 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
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- 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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- 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, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/580,404 US5686916A (en) | 1995-12-28 | 1995-12-28 | Multi-code-book variable length decoder |
PCT/IB1996/001362 WO1997024808A1 (en) | 1995-12-28 | 1996-12-05 | Multi-code-book variable length decoder |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69621917D1 true DE69621917D1 (de) | 2002-07-25 |
DE69621917T2 DE69621917T2 (de) | 2003-03-13 |
Family
ID=24320964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69621917T Expired - Lifetime DE69621917T2 (de) | 1995-12-28 | 1996-12-05 | Dekoder für variable längenkodierte daten mit multi-codebuch |
Country Status (6)
Country | Link |
---|---|
US (1) | US5686916A (de) |
EP (1) | EP0812493B1 (de) |
JP (1) | JP3817268B2 (de) |
KR (1) | KR100462261B1 (de) |
DE (1) | DE69621917T2 (de) |
WO (1) | WO1997024808A1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5963260A (en) * | 1997-03-18 | 1999-10-05 | U.S. Philips Electronics North America Corporation | Macroblock-level partitioned HDTV video decoder and related method |
US6246347B1 (en) * | 1997-10-27 | 2001-06-12 | Philips Electronics North America Corporation | Controller for a variable length decoder |
US6624761B2 (en) | 1998-12-11 | 2003-09-23 | Realtime Data, Llc | Content independent data compression method and system |
US6215424B1 (en) | 1998-12-16 | 2001-04-10 | Thomson Licensing S.A. | System for variable length codeword processing suitable for video and other applications |
US6604158B1 (en) | 1999-03-11 | 2003-08-05 | Realtime Data, Llc | System and methods for accelerated data storage and retrieval |
US6601104B1 (en) | 1999-03-11 | 2003-07-29 | Realtime Data Llc | System and methods for accelerated data storage and retrieval |
US6498571B2 (en) | 1999-12-09 | 2002-12-24 | Luxxon Corporation | Multiple stream variable length encoder and decoder |
US6748457B2 (en) | 2000-02-03 | 2004-06-08 | Realtime Data, Llc | Data storewidth accelerator |
JP2002050996A (ja) * | 2000-07-31 | 2002-02-15 | Sony Corp | 整数倍相互関係を有するブロック長を用いて符号化された信号を通信伝送路を介して送信する通信システム |
US7417568B2 (en) | 2000-10-03 | 2008-08-26 | Realtime Data Llc | System and method for data feed acceleration and encryption |
US9143546B2 (en) | 2000-10-03 | 2015-09-22 | Realtime Data Llc | System and method for data feed acceleration and encryption |
US8692695B2 (en) | 2000-10-03 | 2014-04-08 | Realtime Data, Llc | Methods for encoding and decoding data |
US7386046B2 (en) | 2001-02-13 | 2008-06-10 | Realtime Data Llc | Bandwidth sensitive data compression and decompression |
US8588291B2 (en) * | 2003-09-22 | 2013-11-19 | Broadcom Corporation | Multiple decode user interface |
US7706777B2 (en) * | 2003-09-23 | 2010-04-27 | Broadcom Corporation | Secure user interface in a shared resource environment |
CN100484245C (zh) * | 2004-09-29 | 2009-04-29 | 华为技术有限公司 | 一种变长码编解码方法 |
US7623049B2 (en) * | 2006-06-08 | 2009-11-24 | Via Technologies, Inc. | Decoding of context adaptive variable length codes in computational core of programmable graphics processing unit |
US7626521B2 (en) * | 2006-06-08 | 2009-12-01 | Via Technologies, Inc. | Decoding control of computational core of programmable graphics processing unit |
US8013765B1 (en) * | 2008-05-01 | 2011-09-06 | Cavium, Inc. | Modular scaleable processing engine for accelerating variable length coding |
US9716515B2 (en) | 2015-12-14 | 2017-07-25 | International Business Machines Corporation | Method for detecting end of record in variable length coded bit stream |
US10917110B1 (en) * | 2019-09-02 | 2021-02-09 | Ati Technologies Ulc | Multiple symbol decoder |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3918047A (en) * | 1974-03-28 | 1975-11-04 | Bell Telephone Labor Inc | Decoding circuit for variable length codes |
JPS5411614A (en) * | 1977-06-27 | 1979-01-27 | Nec Corp | Code conversion unit for digital signal |
US5173695A (en) * | 1990-06-29 | 1992-12-22 | Bell Communications Research, Inc. | High-speed flexible variable-length-code decoder |
US5363097A (en) * | 1992-09-14 | 1994-11-08 | Industrial Technology Research Institute | Direct sequential-bit variable length decoder |
JP3136796B2 (ja) * | 1992-09-24 | 2001-02-19 | ソニー株式会社 | 可変長符号デコーダ |
JP3190755B2 (ja) * | 1993-01-22 | 2001-07-23 | 株式会社東芝 | 復号装置 |
US5424733A (en) * | 1993-02-17 | 1995-06-13 | Zenith Electronics Corp. | Parallel path variable length decoding for video signals |
AU5632394A (en) * | 1993-03-05 | 1994-09-08 | Sony Corporation | Apparatus and method for reproducing a prediction-encoded video signal |
EP0631440A3 (de) * | 1993-06-23 | 1995-02-22 | Daewoo Electronics Co Ltd | Einrichtung zur parallelen Dekodierung von mit variabler Länge kodierten Bildsignalen. |
US5491480A (en) * | 1994-05-25 | 1996-02-13 | Industrial Technology Research Institute | Variable length decoder using serial and parallel processing |
US5572208A (en) * | 1994-07-29 | 1996-11-05 | Industrial Technology Research Institute | Apparatus and method for multi-layered decoding of variable length codes |
-
1995
- 1995-12-28 US US08/580,404 patent/US5686916A/en not_active Expired - Lifetime
-
1996
- 1996-12-05 EP EP96938437A patent/EP0812493B1/de not_active Expired - Lifetime
- 1996-12-05 WO PCT/IB1996/001362 patent/WO1997024808A1/en active IP Right Grant
- 1996-12-05 DE DE69621917T patent/DE69621917T2/de not_active Expired - Lifetime
- 1996-12-05 KR KR1019970705986A patent/KR100462261B1/ko not_active IP Right Cessation
- 1996-12-05 JP JP52413197A patent/JP3817268B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR100462261B1 (ko) | 2005-04-08 |
KR19980702580A (ko) | 1998-07-15 |
JPH11501485A (ja) | 1999-02-02 |
WO1997024808A1 (en) | 1997-07-10 |
EP0812493B1 (de) | 2002-06-19 |
EP0812493A1 (de) | 1997-12-17 |
US5686916A (en) | 1997-11-11 |
JP3817268B2 (ja) | 2006-09-06 |
DE69621917T2 (de) | 2003-03-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |