KR100401087B1 - 여러종류의부호신호를복호하는복호장치 - Google Patents

여러종류의부호신호를복호하는복호장치 Download PDF

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Publication number
KR100401087B1
KR100401087B1 KR1019950048628A KR19950048628A KR100401087B1 KR 100401087 B1 KR100401087 B1 KR 100401087B1 KR 1019950048628 A KR1019950048628 A KR 1019950048628A KR 19950048628 A KR19950048628 A KR 19950048628A KR 100401087 B1 KR100401087 B1 KR 100401087B1
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KR
South Korea
Prior art keywords
decoding
code
circuit
variable length
output
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Expired - Fee Related
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KR1019950048628A
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English (en)
Korean (ko)
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KR960028554A (ko
Inventor
와따나베히로미
미조소에히로끼
쯔보이유끼또시
미요다까유끼
시노하라슈지
오꾸마스오
Original Assignee
가부시끼가이샤 히다치 세이사꾸쇼
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Publication of KR960028554A publication Critical patent/KR960028554A/ko
Application granted granted Critical
Publication of KR100401087B1 publication Critical patent/KR100401087B1/ko
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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
    • 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
    • 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
    • H04N19/60—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)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
KR1019950048628A 1994-12-14 1995-12-12 여러종류의부호신호를복호하는복호장치 Expired - Fee Related KR100401087B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP94-310193 1994-12-14
JP31019394A JP3279852B2 (ja) 1994-12-14 1994-12-14 信号復号装置

Publications (2)

Publication Number Publication Date
KR960028554A KR960028554A (ko) 1996-07-22
KR100401087B1 true KR100401087B1 (ko) 2003-12-18

Family

ID=18002295

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950048628A Expired - Fee Related KR100401087B1 (ko) 1994-12-14 1995-12-12 여러종류의부호신호를복호하는복호장치

Country Status (4)

Country Link
US (1) US5675331A (https=)
JP (1) JP3279852B2 (https=)
KR (1) KR100401087B1 (https=)
TW (1) TW315572B (https=)

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KR0178201B1 (ko) * 1995-08-31 1999-05-01 배순훈 가변 길이 복호화 장치
US5870039A (en) * 1996-06-19 1999-02-09 Matsushita Electric Industrial Co., Ltd. Code converter, variable length code decoder, and associated methods
US6011498A (en) * 1996-12-20 2000-01-04 Philips Electronics North America Corporation Dual-speed variable length decoding architecture for MPEG-2 video data
US6215822B1 (en) * 1997-12-30 2001-04-10 Sony Corporation Motion compensated digital video decoding and buffer memory addressing therefor
EP1099310A4 (en) * 1998-06-25 2005-12-21 Equator Technologies Inc PROCESSING CIRCUIT AND VARIABLE LENGTH ENCODING / DECODING METHOD
JP4427827B2 (ja) * 1998-07-15 2010-03-10 ソニー株式会社 データ処理方法、データ処理装置及び記録媒体
JP2000059234A (ja) * 1998-08-10 2000-02-25 Mitsubishi Electric Corp 可変長符号処理装置
US6636222B1 (en) * 1999-11-09 2003-10-21 Broadcom Corporation Video and graphics system with an MPEG video decoder for concurrent multi-row decoding
US6775414B1 (en) * 1999-11-19 2004-08-10 Ati International Srl Variable-length code decoder
US6771196B2 (en) * 1999-12-14 2004-08-03 Broadcom Corporation Programmable variable-length decoder
US7253917B2 (en) * 2001-06-11 2007-08-07 Canon Kabushiki Kaisha Image processing apparatus and its control method, computer program, and storage medium
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
DE10133934A1 (de) * 2001-07-12 2003-01-30 Infineon Technologies Ag Kodiereinrichtung und Dekodiereinrichtung
US7075462B2 (en) * 2002-08-07 2006-07-11 Lsi Logic Corporation Speeding up variable length code decoding on general purpose processors
US6674376B1 (en) 2002-09-13 2004-01-06 Morpho Technologies Programmable variable length decoder circuit and method
US6707397B1 (en) * 2002-10-24 2004-03-16 Apple Computer, Inc. Methods and apparatus for variable length codeword concatenation
US6707398B1 (en) * 2002-10-24 2004-03-16 Apple Computer, Inc. Methods and apparatuses for packing bitstreams
US6867715B2 (en) * 2003-06-25 2005-03-15 Broadcom Corporation System, method, and apparatus for variable length decoder
US7349428B2 (en) * 2003-06-30 2008-03-25 Broadcom Corporation Data alignment of the packetized elementary streams in the coded data buffer for dual decode
EP1880471A4 (en) * 2005-05-13 2011-12-28 Qualcomm Inc METHOD AND DEVICE FOR IMPROVED MULTIMEDIA DECODER
JP4902854B2 (ja) * 2006-09-12 2012-03-21 パナソニック株式会社 動画像復号化装置、動画像復号化方法、動画像復号化プログラム、動画像符号化装置、動画像符号化方法、動画像符号化プログラム、及び動画像符号化復号化装置
US8250618B2 (en) * 2006-09-18 2012-08-21 Elemental Technologies, Inc. Real-time network adaptive digital video encoding/decoding
US8184715B1 (en) 2007-08-09 2012-05-22 Elemental Technologies, Inc. Method for efficiently executing video encoding operations on stream processor architectures
US8121197B2 (en) * 2007-11-13 2012-02-21 Elemental Technologies, Inc. Video encoding and decoding using parallel processors
US9876599B2 (en) * 2007-12-17 2018-01-23 Avago Technologies General Ip (Singapore) Pte. Ltd. System(s), method(s), and apparatus for accurate detection of the end of stream
JP2010045598A (ja) * 2008-08-12 2010-02-25 Fujitsu Ltd 可変長復号装置、及び、符号化装置
TWI424445B (zh) * 2009-12-29 2014-01-21 Macronix Int Co Ltd 指令解碼電路及其方法
US11211945B1 (en) * 2020-10-29 2021-12-28 Microsoft Technology Licensing, Llc Parallelized decoding of variable-length prefix codes

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5241383A (en) * 1992-05-13 1993-08-31 Bell Communications Research, Inc. Pseudo-constant bit rate video coding with quantization parameter adjustment
DE69322713T2 (de) * 1992-08-31 1999-05-06 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Vorrichtung zur orthogonalen Transformationskodierung und -dekodierung
US5491480A (en) * 1994-05-25 1996-02-13 Industrial Technology Research Institute Variable length decoder using serial and parallel processing

Also Published As

Publication number Publication date
TW315572B (https=) 1997-09-11
JP3279852B2 (ja) 2002-04-30
US5675331A (en) 1997-10-07
KR960028554A (ko) 1996-07-22
JPH08167850A (ja) 1996-06-25

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