CN1331335C - 用于固定和可变速率数据流的代码转换器 - Google Patents

用于固定和可变速率数据流的代码转换器 Download PDF

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Publication number
CN1331335C
CN1331335C CNB99808140XA CN99808140A CN1331335C CN 1331335 C CN1331335 C CN 1331335C CN B99808140X A CNB99808140X A CN B99808140XA CN 99808140 A CN99808140 A CN 99808140A CN 1331335 C CN1331335 C CN 1331335C
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China
Prior art keywords
data
rate
stream
decoder
encoder
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Expired - Fee Related
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CNB99808140XA
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English (en)
Chinese (zh)
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CN1308804A (zh
Inventor
彼得·G·克雷文
马尔科姆·J·劳
约翰·R·斯图尔特
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Dolby Laboratories Licensing Corp
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Dolby Laboratories Licensing Corp
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Publication date
Priority claimed from GBGB9814513.9A external-priority patent/GB9814513D0/en
Priority claimed from GBGB9907918.8A external-priority patent/GB9907918D0/en
Application filed by Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of CN1308804A publication Critical patent/CN1308804A/zh
Application granted granted Critical
Publication of CN1331335C publication Critical patent/CN1331335C/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00992—Circuits for stereophonic or quadraphonic recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00007—Time or data compression or expansion
    • G11B2020/00014—Time or data compression or expansion the compressed signal being an audio signal
    • G11B2020/00021—Time or data compression or expansion the compressed signal being an audio signal lossless audio compression
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/1062—Data buffering arrangements, e.g. recording or playback buffers
    • G11B2020/10629—Data buffering arrangements, e.g. recording or playback buffers the buffer having a specific structure
    • G11B2020/10638—First-in-first-out memories [FIFO] buffers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Algebra (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Radar Systems Or Details Thereof (AREA)
CNB99808140XA 1998-07-03 1999-07-05 用于固定和可变速率数据流的代码转换器 Expired - Fee Related CN1331335C (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB9814513.9A GB9814513D0 (en) 1998-07-03 1998-07-03 Trancoders for fixed and variable rate datastreams
GB9814513.9 1998-07-03
GBGB9907918.8A GB9907918D0 (en) 1999-04-07 1999-04-07 Lossless packing
GB9907918.8 1999-04-07
PCT/GB1999/002138 WO2000002357A1 (en) 1998-07-03 1999-07-05 Transcoders for fixed and variable rate data streams

Publications (2)

Publication Number Publication Date
CN1308804A CN1308804A (zh) 2001-08-15
CN1331335C true CN1331335C (zh) 2007-08-08

Family

ID=26313972

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB99808140XA Expired - Fee Related CN1331335C (zh) 1998-07-03 1999-07-05 用于固定和可变速率数据流的代码转换器

Country Status (10)

Country Link
EP (1) EP1095488B8 (enExample)
JP (1) JP2002520760A (enExample)
KR (1) KR100725766B1 (enExample)
CN (1) CN1331335C (enExample)
AT (1) ATE280460T1 (enExample)
AU (1) AU759989B2 (enExample)
CA (1) CA2336411C (enExample)
DE (1) DE69921326T2 (enExample)
ES (1) ES2228061T3 (enExample)
WO (1) WO2000002357A1 (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3582444B2 (ja) * 2000-01-28 2004-10-27 ヤマハ株式会社 音楽情報データ通信方法、音楽情報データ送信装置、音楽情報データ受信装置および記憶媒体
US7206272B2 (en) * 2000-04-20 2007-04-17 Yamaha Corporation Method for recording asynchronously produced digital data codes, recording unit used for the method, method for reproducing the digital data codes, playback unit used for the method and information storage medium
JP4529226B2 (ja) * 2000-04-20 2010-08-25 ヤマハ株式会社 データ記録方法および記録媒体
JP4829466B2 (ja) * 2000-08-03 2011-12-07 トムソン ライセンシング 低ビットレートでデータストリームを記録する方法
CN100364234C (zh) * 2001-11-29 2008-01-23 联发科技股份有限公司 声讯的播放系统与无失真压缩编码系统
US6934677B2 (en) 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
US7299190B2 (en) 2002-09-04 2007-11-20 Microsoft Corporation Quantization and inverse quantization for audio
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
US7023880B2 (en) * 2002-10-28 2006-04-04 Qualcomm Incorporated Re-formatting variable-rate vocoder frames for inter-system transmissions
US7169996B2 (en) * 2002-11-12 2007-01-30 Medialab Solutions Llc Systems and methods for generating music using data/music data file transmitted/received via a network
JP2004303353A (ja) * 2003-03-31 2004-10-28 Toshiba Corp 情報記録媒体及び情報処理方法、情報処理装置及び再生装置
JP2005051633A (ja) * 2003-07-30 2005-02-24 Sony Corp 編集装置、ビットレート制御方法及びビットレート制御プログラム
JP4369957B2 (ja) * 2005-02-01 2009-11-25 パナソニック株式会社 再生装置
JP5113051B2 (ja) * 2005-07-29 2013-01-09 エルジー エレクトロニクス インコーポレイティド オーディオ信号の処理方法
KR100880643B1 (ko) * 2005-08-30 2009-01-30 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
US8577483B2 (en) 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
KR101169281B1 (ko) 2005-10-05 2012-08-02 엘지전자 주식회사 오디오 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩 방법 및 이의 장치
US7840401B2 (en) 2005-10-24 2010-11-23 Lg Electronics Inc. Removing time delays in signal paths
US9794712B2 (en) 2014-04-25 2017-10-17 Dolby Laboratories Licensing Corporation Matrix decomposition for rendering adaptive audio using high definition audio codecs

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5623424A (en) * 1995-05-08 1997-04-22 Kabushiki Kaisha Toshiba Rate-controlled digital video editing method and system which controls bit allocation of a video encoder by varying quantization levels
EP0784409A2 (en) * 1996-01-11 1997-07-16 Sony Corporation Video coding and multiplexing
US5684714A (en) * 1995-05-08 1997-11-04 Kabushiki Kaisha Toshiba Method and system for a user to manually alter the quality of a previously encoded video sequence

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5623424A (en) * 1995-05-08 1997-04-22 Kabushiki Kaisha Toshiba Rate-controlled digital video editing method and system which controls bit allocation of a video encoder by varying quantization levels
US5684714A (en) * 1995-05-08 1997-11-04 Kabushiki Kaisha Toshiba Method and system for a user to manually alter the quality of a previously encoded video sequence
EP0784409A2 (en) * 1996-01-11 1997-07-16 Sony Corporation Video coding and multiplexing

Also Published As

Publication number Publication date
DE69921326T2 (de) 2006-02-09
CA2336411A1 (en) 2000-01-13
EP1095488B1 (en) 2004-10-20
KR100725766B1 (ko) 2007-06-08
CN1308804A (zh) 2001-08-15
KR20010071723A (ko) 2001-07-31
EP1095488B8 (en) 2005-02-02
JP2002520760A (ja) 2002-07-09
ATE280460T1 (de) 2004-11-15
AU759989B2 (en) 2003-05-01
ES2228061T3 (es) 2005-04-01
WO2000002357A1 (en) 2000-01-13
AU4635599A (en) 2000-01-24
EP1095488A1 (en) 2001-05-02
DE69921326D1 (de) 2004-11-25
CA2336411C (en) 2007-11-13

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