DE69325969D1 - Doppelpufferschema für Dekodierer variabler Länge - Google Patents

Doppelpufferschema für Dekodierer variabler Länge

Info

Publication number
DE69325969D1
DE69325969D1 DE69325969T DE69325969T DE69325969D1 DE 69325969 D1 DE69325969 D1 DE 69325969D1 DE 69325969 T DE69325969 T DE 69325969T DE 69325969 T DE69325969 T DE 69325969T DE 69325969 D1 DE69325969 D1 DE 69325969D1
Authority
DE
Germany
Prior art keywords
variable length
double buffer
buffer scheme
length decoders
decoders
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
Application number
DE69325969T
Other languages
English (en)
Other versions
DE69325969T2 (de
Inventor
Paul Shen
Edward A Krause
Adam Tom
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arris Technology Inc
Original Assignee
Arris Technology Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Arris Technology Inc filed Critical Arris Technology Inc
Application granted granted Critical
Publication of DE69325969D1 publication Critical patent/DE69325969D1/de
Publication of DE69325969T2 publication Critical patent/DE69325969T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using 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
    • H04N19/60—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
    • H04N19/90—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)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Image Processing (AREA)
DE69325969T 1992-11-19 1993-11-11 Doppelpufferschema für Dekodierer variabler Länge Expired - Fee Related DE69325969T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/973,429 US5386212A (en) 1992-11-19 1992-11-19 Double buffer scheme for variable length decoder

Publications (2)

Publication Number Publication Date
DE69325969D1 true DE69325969D1 (de) 1999-09-16
DE69325969T2 DE69325969T2 (de) 2000-02-17

Family

ID=25520887

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69325969T Expired - Fee Related DE69325969T2 (de) 1992-11-19 1993-11-11 Doppelpufferschema für Dekodierer variabler Länge

Country Status (8)

Country Link
US (1) US5386212A (de)
EP (1) EP0598346B1 (de)
JP (1) JP3224060B2 (de)
KR (1) KR100305520B1 (de)
CA (1) CA2102327C (de)
DE (1) DE69325969T2 (de)
HK (1) HK1013760A1 (de)
TW (1) TW223727B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5563920A (en) 1993-02-17 1996-10-08 Zenith Electronics Corporation Method of processing variable size blocks of data by storing numbers representing size of data blocks in a fifo
EP0631440A3 (de) * 1993-06-23 1995-02-22 Daewoo Electronics Co Ltd Einrichtung zur parallelen Dekodierung von mit variabler Länge kodierten Bildsignalen.
KR0148153B1 (ko) * 1994-05-31 1998-09-15 김광호 비트스터핑 제거장치
KR0134299B1 (ko) * 1994-07-11 1998-04-29 김광호 가변장디코딩장치의 동기 복원방법 및 장치
US5619505A (en) * 1995-01-26 1997-04-08 Motorola Inc. Method for producing and recovering a data stream for a DMT transceiver
KR0176537B1 (ko) * 1995-10-14 1999-05-01 김광호 가변길이복호화기의 메모리 인터페이스방법 및 회로
FR2741172B1 (fr) * 1995-11-09 1997-12-12 Thomson Multimedia Sa Dispositif de traitement de donnees comportant une memoire tampon
US5963260A (en) * 1997-03-18 1999-10-05 U.S. Philips Electronics North America Corporation Macroblock-level partitioned HDTV video decoder and related method
US6377713B1 (en) 1999-01-27 2002-04-23 General Instrument Corporation Synchronous DRAM bandwidth optimization for display downsizing of an MPEG-2 image
FI106758B (fi) * 1999-04-16 2001-03-30 Nokia Networks Oy Segmentointimekanismi lohkoenkooderia varten
JP3974318B2 (ja) * 2000-09-08 2007-09-12 インターナショナル・ビジネス・マシーンズ・コーポレーション 受信再生装置及びその方法
US20070180349A1 (en) * 2006-01-31 2007-08-02 Jacobsen Eric A Techniques for uequal error protection for layered protection applications
KR101130271B1 (ko) * 2010-07-26 2012-03-26 인하대학교 산학협력단 Ｈ．２６４／ａｖｃ를 위한 내용기반 가변길이 부호화기
US9544587B2 (en) 2012-05-14 2017-01-10 Google Technology Holdings LLC Scalable video coding with enhanced base layer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146874A (en) * 1983-08-26 1985-04-24 British Telecomm Decoding of minimum redundancy codes
US4546342A (en) * 1983-12-14 1985-10-08 Digital Recording Research Limited Partnership Data compression method and apparatus
NL8400212A (nl) * 1984-01-24 1985-08-16 Philips Nv Werkwijze voor het coderen van een stroom van databits, inrichting voor het uitvoeren van de werkwijze en inrichting voor het decoderen van de volgens de werkwijze verkregen stroom kanaalbits.
JPH0490268A (ja) * 1990-08-01 1992-03-24 Hitachi Ltd 画像信号復号化方式
JPH04257939A (ja) * 1991-02-13 1992-09-14 Tokyo Electric Co Ltd データ処理装置
DE69228641T2 (de) * 1991-04-10 1999-10-07 Mitsubishi Denki K.K., Tokio/Tokyo Kodierer und dekodierer
EP0512623B1 (de) * 1991-05-10 1999-09-29 Koninklijke Philips Electronics N.V. Fernsehsystem zum Übertragen von Bildsignalen in einem digitalen Format
US5321398A (en) * 1991-09-27 1994-06-14 Sony Corporation Variable length coder and data packing circuit

Also Published As

Publication number Publication date
HK1013760A1 (en) 1999-09-03
EP0598346A2 (de) 1994-05-25
CA2102327A1 (en) 1994-05-20
KR940013207A (ko) 1994-06-25
DE69325969T2 (de) 2000-02-17
KR100305520B1 (ko) 2001-11-22
JPH0738444A (ja) 1995-02-07
EP0598346B1 (de) 1999-08-11
TW223727B (en) 1994-05-11
CA2102327C (en) 2001-01-23
US5386212A (en) 1995-01-31
EP0598346A3 (de) 1994-12-07
JP3224060B2 (ja) 2001-10-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee