ATE136147T1 - Adaptiv bitzuordnung für audio-koder und dekoder - Google Patents

Adaptiv bitzuordnung für audio-koder und dekoder

Info

Publication number
ATE136147T1
ATE136147T1 AT93108874T AT93108874T ATE136147T1 AT E136147 T1 ATE136147 T1 AT E136147T1 AT 93108874 T AT93108874 T AT 93108874T AT 93108874 T AT93108874 T AT 93108874T AT E136147 T1 ATE136147 T1 AT E136147T1
Authority
AT
Austria
Prior art keywords
decoder
adaptive bit
audio encoder
bit assignment
encoder
Prior art date
Application number
AT93108874T
Other languages
English (en)
Inventor
Louis Dunn Fielder
Grant Allen Davidson
Original Assignee
Dolby Lab Licensing Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26973611&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE136147(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of ATE136147T1 publication Critical patent/ATE136147T1/de

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/005—Statistical coding, e.g. Huffman, run length coding
    • 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
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1806—Pulse code modulation systems for audio signals
    • G11B20/1809—Pulse code modulation systems for audio signals by interleaving
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/04—Conversion to or from representation by pulses the pulses having two levels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computational Linguistics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Analogue/Digital Conversion (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Stereophonic System (AREA)
AT93108874T 1989-01-27 1990-01-29 Adaptiv bitzuordnung für audio-koder und dekoder ATE136147T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30371489A 1989-01-27 1989-01-27
US43986889A 1989-11-20 1989-11-20

Publications (1)

Publication Number Publication Date
ATE136147T1 true ATE136147T1 (de) 1996-04-15

Family

ID=26973611

Family Applications (4)

Application Number Title Priority Date Filing Date
AT93108874T ATE136147T1 (de) 1989-01-27 1990-01-29 Adaptiv bitzuordnung für audio-koder und dekoder
AT90903518T ATE100235T1 (de) 1989-01-27 1990-01-29 Transformationscodierer, -decodierer und codierer/decodierermit niedriger bitrate fuer audio-anwendungen hoher qualitaet.
AT92112940T ATE150571T1 (de) 1989-01-27 1990-01-29 Transformationscodierer, -decodierer und codierer/decodierer mit niedriger bitrate für audio-anwendungen hoher qualität
AT92112939T ATE160464T1 (de) 1989-01-27 1990-01-29 Transformationscodierer, -decodierer und codierer/decodierer mit niedriger bitrate für audio-anwendungen hoher qualität

Family Applications After (3)

Application Number Title Priority Date Filing Date
AT90903518T ATE100235T1 (de) 1989-01-27 1990-01-29 Transformationscodierer, -decodierer und codierer/decodierermit niedriger bitrate fuer audio-anwendungen hoher qualitaet.
AT92112940T ATE150571T1 (de) 1989-01-27 1990-01-29 Transformationscodierer, -decodierer und codierer/decodierer mit niedriger bitrate für audio-anwendungen hoher qualität
AT92112939T ATE160464T1 (de) 1989-01-27 1990-01-29 Transformationscodierer, -decodierer und codierer/decodierer mit niedriger bitrate für audio-anwendungen hoher qualität

Country Status (10)

Country Link
EP (5) EP0513860B1 (de)
JP (1) JP2821713B2 (de)
AT (4) ATE136147T1 (de)
AU (2) AU631404B2 (de)
BR (1) BR9007063A (de)
DE (4) DE69026278T3 (de)
DK (3) DK0560413T4 (de)
ES (3) ES2085680T5 (de)
SG (3) SG47111A1 (de)
WO (1) WO1990009022A1 (de)

Families Citing this family (36)

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US5583962A (en) * 1991-01-08 1996-12-10 Dolby Laboratories Licensing Corporation Encoder/decoder for multidimensional sound fields
JP3123290B2 (ja) * 1993-03-09 2001-01-09 ソニー株式会社 圧縮データ記録装置及び方法、圧縮データ再生方法、記録媒体
US5463424A (en) * 1993-08-03 1995-10-31 Dolby Laboratories Licensing Corporation Multi-channel transmitter/receiver system providing matrix-decoding compatible signals
JP3131542B2 (ja) * 1993-11-25 2001-02-05 シャープ株式会社 符号化復号化装置
JP3186413B2 (ja) * 1994-04-01 2001-07-11 ソニー株式会社 データ圧縮符号化方法、データ圧縮符号化装置及びデータ記録媒体
JP3541439B2 (ja) * 1994-07-08 2004-07-14 ソニー株式会社 信号変調方法及び装置、並びに信号復調装置及び方法
US6167093A (en) * 1994-08-16 2000-12-26 Sony Corporation Method and apparatus for encoding the information, method and apparatus for decoding the information and method for information transmission
JPH08190764A (ja) * 1995-01-05 1996-07-23 Sony Corp ディジタル信号処理方法、ディジタル信号処理装置及び記録媒体
JP3521596B2 (ja) * 1996-01-30 2004-04-19 ソニー株式会社 信号符号化方法
DK0827647T3 (da) * 1996-03-19 2002-09-02 Dolby Lab Licensing Corp Analyse/syntesefiltreringssystem med effektiv ulige stablet enkeltsidebånds-filterbank, der anvender tidsdomæne aliasing udbalancering
US5890106A (en) * 1996-03-19 1999-03-30 Dolby Laboratories Licensing Corporation Analysis-/synthesis-filtering system with efficient oddly-stacked singleband filter bank using time-domain aliasing cancellation
KR100378790B1 (ko) * 1996-04-23 2003-05-01 엘지전자 주식회사 서브밴드양자화레벨디코딩장치
KR100223169B1 (ko) * 1996-06-14 1999-10-15 윤종용 펄스부호변조된 디지털 오디오신호의 기록 및 재생을 위한 시스템
US5892746A (en) * 1996-06-15 1999-04-06 Samsung Electronics Co., Ltd. System for recording and/or reproducing a pulse code modulation digital audio signal
JP3092653B2 (ja) * 1996-06-21 2000-09-25 日本電気株式会社 広帯域音声符号化装置及び音声復号装置並びに音声符号化復号装置
TW301103B (en) * 1996-09-07 1997-03-21 Nat Science Council The time domain alias cancellation device and its signal processing method
JPH1083623A (ja) * 1996-09-10 1998-03-31 Sony Corp 信号記録方法、信号記録装置、記録媒体および信号処理方法
GB2326572A (en) * 1997-06-19 1998-12-23 Softsound Limited Low bit rate audio coder and decoder
US6081783A (en) * 1997-11-14 2000-06-27 Cirrus Logic, Inc. Dual processor digital audio decoder with shared memory data transfer and task partitioning for decompressing compressed audio data, and systems and methods using the same
US6016473A (en) * 1998-04-07 2000-01-18 Dolby; Ray M. Low bit-rate spatial coding method and system
US6665409B1 (en) 1999-04-12 2003-12-16 Cirrus Logic, Inc. Methods for surround sound simulation and circuits and systems using the same
US6356871B1 (en) 1999-06-14 2002-03-12 Cirrus Logic, Inc. Methods and circuits for synchronizing streaming data and systems using the same
US6349285B1 (en) 1999-06-28 2002-02-19 Cirrus Logic, Inc. Audio bass management methods and circuits and systems using the same
JP2002135122A (ja) 2000-10-19 2002-05-10 Nec Corp オーディオ信号符号化装置
EP1345331B1 (de) * 2000-12-22 2008-08-20 Sony Corporation Codierer
US7123655B2 (en) 2001-08-09 2006-10-17 Sharp Laboratories Of America, Inc. Method for reduced bit-depth quantization
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
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
MX2009006201A (es) 2006-12-12 2009-06-22 Fraunhofer Ges Forschung Codificador, decodificador y metodos para codificar y decodificar segmentos de datos que representan una corriente de datos del dominio temporal.
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
JP5536674B2 (ja) * 2008-03-04 2014-07-02 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 入力データストリームのミキシング及びそこからの出力データストリームの生成
KR100940532B1 (ko) * 2009-09-28 2010-02-10 삼성전자주식회사 저비트율 복호화방법 및 장치
US9489962B2 (en) * 2012-05-11 2016-11-08 Panasonic Corporation Sound signal hybrid encoder, sound signal hybrid decoder, sound signal encoding method, and sound signal decoding method
EP2850612B1 (de) 2012-05-18 2019-04-10 Dolby Laboratories Licensing Corporation System zur pflege umkehrbare dynamikbereichssteuerungsinformationen im zusammenhang mit parametrischen audiocodierern
US10844689B1 (en) 2019-12-19 2020-11-24 Saudi Arabian Oil Company Downhole ultrasonic actuator system for mitigating lost circulation
US10438597B2 (en) 2017-08-31 2019-10-08 Dolby International Ab Decoder-provided time domain aliasing cancellation during lossy/lossless transitions

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
DE3171990D1 (en) * 1981-04-30 1985-10-03 Ibm Speech coding methods and apparatus for carrying out the method
US4455649A (en) * 1982-01-15 1984-06-19 International Business Machines Corporation Method and apparatus for efficient statistical multiplexing of voice and data signals
GB8330885D0 (en) * 1983-11-18 1983-12-29 British Telecomm Data transmission
GB8421498D0 (en) * 1984-08-24 1984-09-26 British Telecomm Frequency domain speech coding
DE3506912A1 (de) † 1985-02-27 1986-08-28 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Verfahren zur uebertragung eines audiosignals
IL76283A0 (en) * 1985-09-03 1986-01-31 Ibm Process and system for coding signals
DE3629434C2 (de) * 1986-08-29 1994-07-28 Karlheinz Dipl Ing Brandenburg Digitales Codierverfahren
DE3639753A1 (de) † 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
NL8700985A (nl) * 1987-04-27 1988-11-16 Philips Nv Systeem voor sub-band codering van een digitaal audiosignaal.
NL8901032A (nl) * 1988-11-10 1990-06-01 Philips Nv Coder om extra informatie op te nemen in een digitaal audiosignaal met een tevoren bepaald formaat, een decoder om deze extra informatie uit dit digitale signaal af te leiden, een inrichting voor het opnemen van een digitaal signaal op een registratiedrager, voorzien van de coder, en een registratiedrager verkregen met deze inrichting.

Also Published As

Publication number Publication date
ATE100235T1 (de) 1994-01-15
DK0513860T3 (da) 1997-08-18
DE69026278T3 (de) 2002-08-08
DK0560413T3 (da) 1996-04-22
EP0511692A3 (en) 1993-01-27
EP0560413A2 (de) 1993-09-15
EP0513860A3 (en) 1993-01-27
EP0560413A3 (de) 1994-05-04
DE69031737T2 (de) 1998-04-09
DK0560413T4 (da) 2002-06-17
AU631404B2 (en) 1992-11-26
ES2109296T3 (es) 1998-01-16
EP0560413B1 (de) 1996-03-27
ES2085680T3 (es) 1996-06-01
DE69026278T2 (de) 1996-11-14
ATE150571T1 (de) 1997-04-15
EP0455738A1 (de) 1991-11-13
SG48247A1 (en) 1998-04-17
EP0514949A3 (en) 1993-02-03
ATE160464T1 (de) 1997-12-15
EP0513860B1 (de) 1997-03-19
EP0514949A2 (de) 1992-11-25
EP0455738B2 (de) 2007-04-04
EP0513860A2 (de) 1992-11-19
BR9007063A (pt) 1991-10-08
DE69006011T2 (de) 1994-08-18
JPH04504192A (ja) 1992-07-23
DE69030266T2 (de) 1997-08-14
AU5159690A (en) 1990-08-24
WO1990009022A1 (en) 1990-08-09
EP0455738B1 (de) 1994-01-12
AU655535B2 (en) 1994-12-22
JP2821713B2 (ja) 1998-11-05
DE69006011D1 (de) 1994-02-24
DE69026278D1 (de) 1996-05-02
DK0514949T3 (da) 1998-07-27
DE69006011T3 (de) 2007-08-23
EP0514949B1 (de) 1997-11-19
ES2085680T5 (es) 2002-10-16
AU3373693A (en) 1993-04-22
EP0511692A2 (de) 1992-11-04
DE69030266D1 (de) 1997-04-24
ES2099185T3 (es) 1997-05-16
EP0560413B2 (de) 2002-05-15
SG49891A1 (en) 1998-06-15
SG47111A1 (en) 1998-03-20
DE69031737D1 (de) 1998-01-02

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