ATE291771T1 - Verfahren zum kodieren und dekodieren von audiodaten - Google Patents

Verfahren zum kodieren und dekodieren von audiodaten

Info

Publication number
ATE291771T1
ATE291771T1 AT99117212T AT99117212T ATE291771T1 AT E291771 T1 ATE291771 T1 AT E291771T1 AT 99117212 T AT99117212 T AT 99117212T AT 99117212 T AT99117212 T AT 99117212T AT E291771 T1 ATE291771 T1 AT E291771T1
Authority
AT
Austria
Prior art keywords
signal
encoding
audio data
decoding audio
yardstick
Prior art date
Application number
AT99117212T
Other languages
English (en)
Inventor
Jae S Lim
Original Assignee
Massachusetts Inst Technology
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
Priority claimed from US07/822,247 external-priority patent/US5394508A/en
Application filed by Massachusetts Inst Technology filed Critical Massachusetts Inst Technology
Application granted granted Critical
Publication of ATE291771T1 publication Critical patent/ATE291771T1/de

Links

Classifications

    • 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
    • H04B1/667—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 a division in frequency subbands
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/0204—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 subband decomposition
    • G10L19/0208—Subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/0204—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 subband decomposition
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02163—Only one microphone
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique
AT99117212T 1992-01-17 1993-01-13 Verfahren zum kodieren und dekodieren von audiodaten ATE291771T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/822,247 US5394508A (en) 1992-01-17 1992-01-17 Method and apparatus for encoding decoding and compression of audio-type data
US07/879,635 US5369724A (en) 1992-01-17 1992-05-07 Method and apparatus for encoding, decoding and compression of audio-type data using reference coefficients located within a band of coefficients

Publications (1)

Publication Number Publication Date
ATE291771T1 true ATE291771T1 (de) 2005-04-15

Family

ID=27124626

Family Applications (2)

Application Number Title Priority Date Filing Date
AT99117212T ATE291771T1 (de) 1992-01-17 1993-01-13 Verfahren zum kodieren und dekodieren von audiodaten
AT93903484T ATE198384T1 (de) 1992-01-17 1993-01-13 Verfahren zur kodierung, dekodierung und kompression von audiodaten

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT93903484T ATE198384T1 (de) 1992-01-17 1993-01-13 Verfahren zur kodierung, dekodierung und kompression von audiodaten

Country Status (7)

Country Link
US (2) US5369724A (de)
EP (2) EP0961414B1 (de)
AT (2) ATE291771T1 (de)
CA (1) CA2128216C (de)
DE (2) DE69329796T2 (de)
ES (2) ES2155449T3 (de)
WO (1) WO1993014492A1 (de)

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US5369724A (en) * 1992-01-17 1994-11-29 Massachusetts Institute Of Technology Method and apparatus for encoding, decoding and compression of audio-type data using reference coefficients located within a band of coefficients
IT1257431B (it) * 1992-12-04 1996-01-16 Sip Procedimento e dispositivo per la quantizzazione dei guadagni dell'eccitazione in codificatori della voce basati su tecniche di analisi per sintesi
US5659659A (en) * 1993-07-26 1997-08-19 Alaris, Inc. Speech compressor using trellis encoding and linear prediction
WO1995012920A1 (fr) * 1993-11-04 1995-05-11 Sony Corporation Codeur de signaux, decodeur de signaux, support d'enregistrement et procede de codage de signaux
WO1995032499A1 (fr) * 1994-05-25 1995-11-30 Sony Corporation Procede de codage, procede de decodage, procede de codage-decodage, codeur, decodeur et codeur-decodeur
US5602961A (en) * 1994-05-31 1997-02-11 Alaris, Inc. Method and apparatus for speech compression using multi-mode code excited linear predictive coding
US5787387A (en) * 1994-07-11 1998-07-28 Voxware, Inc. Harmonic adaptive speech coding method and system
US5648989A (en) * 1994-12-21 1997-07-15 Paradyne Corporation Linear prediction filter coefficient quantizer and filter set
JPH0969781A (ja) * 1995-08-31 1997-03-11 Nippon Steel Corp オーディオデータ符号化装置
US5774837A (en) * 1995-09-13 1998-06-30 Voxware, Inc. Speech coding system and method using voicing probability determination
JP2820096B2 (ja) * 1996-01-10 1998-11-05 日本電気株式会社 符号化方式および復号方式
JP3189660B2 (ja) * 1996-01-30 2001-07-16 ソニー株式会社 信号符号化方法
JP3491425B2 (ja) * 1996-01-30 2004-01-26 ソニー株式会社 信号符号化方法
US6111870A (en) 1996-11-07 2000-08-29 Interdigital Technology Corporation Method and apparatus for compressing and transmitting high speed data
US5832443A (en) * 1997-02-25 1998-11-03 Alaris, Inc. Method and apparatus for adaptive audio compression and decompression
US5991454A (en) * 1997-10-06 1999-11-23 Lockheed Martin Coporation Data compression for TDOA/DD location system
US5899969A (en) * 1997-10-17 1999-05-04 Dolby Laboratories Licensing Corporation Frame-based audio coding with gain-control words
US6012025A (en) * 1998-01-28 2000-01-04 Nokia Mobile Phones Limited Audio coding method and apparatus using backward adaptive prediction
JP2000165251A (ja) * 1998-11-27 2000-06-16 Matsushita Electric Ind Co Ltd オーディオ信号符号化装置及びそれを実現したマイクロホン
US6226608B1 (en) * 1999-01-28 2001-05-01 Dolby Laboratories Licensing Corporation Data framing for adaptive-block-length coding system
FR2796190B1 (fr) * 1999-07-05 2002-05-03 Matra Nortel Communications Procede et dispositif de codage audio
US6446037B1 (en) * 1999-08-09 2002-09-03 Dolby Laboratories Licensing Corporation Scalable coding method for high quality audio
EP1113432B1 (de) * 1999-12-24 2011-03-30 International Business Machines Corporation Verfahren und System zur Erkennung von identischen digitalen Daten
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
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
JP4676140B2 (ja) 2002-09-04 2011-04-27 マイクロソフト コーポレーション オーディオの量子化および逆量子化
US7502743B2 (en) 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
US7418394B2 (en) * 2005-04-28 2008-08-26 Dolby Laboratories Licensing Corporation Method and system for operating audio encoders utilizing data from overlapping audio segments
US7562021B2 (en) 2005-07-15 2009-07-14 Microsoft Corporation Modification of codewords in dictionary used for efficient coding of digital media spectral data
US7630882B2 (en) * 2005-07-15 2009-12-08 Microsoft Corporation Frequency segmentation to obtain bands for efficient coding of digital media
KR101261524B1 (ko) * 2007-03-14 2013-05-06 삼성전자주식회사 노이즈를 포함하는 오디오 신호를 저비트율로부호화/복호화하는 방법 및 이를 위한 장치
US7761290B2 (en) 2007-06-15 2010-07-20 Microsoft Corporation Flexible frequency and time partitioning in perceptual transform coding of audio
US8046214B2 (en) * 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
US8249883B2 (en) 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
PL3046104T3 (pl) * 2013-09-16 2020-02-28 Samsung Electronics Co., Ltd. Sposób kodowania sygnału oraz sposób dekodowania sygnału
US10388293B2 (en) 2013-09-16 2019-08-20 Samsung Electronics Co., Ltd. Signal encoding method and device and signal decoding method and device
JP6633547B2 (ja) * 2014-02-17 2020-01-22 サムスン エレクトロニクス カンパニー リミテッド スペクトル符号化方法
CN111968656B (zh) 2014-07-28 2023-11-10 三星电子株式会社 信号编码方法和装置以及信号解码方法和装置
EP3079151A1 (de) * 2015-04-09 2016-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer und verfahren zur codierung eines audiosignals
CN110120217B (zh) * 2019-05-10 2023-11-24 腾讯科技（深圳）有限公司 一种音频数据处理方法及装置

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US4899384A (en) * 1986-08-25 1990-02-06 Ibm Corporation Table controlled dynamic bit allocation in a variable rate sub-band speech coder
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CA2140678C (en) * 1989-01-27 2001-05-01 Louis Dunn Fielder Coder and decoder for high-quality audio
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US5369724A (en) * 1992-01-17 1994-11-29 Massachusetts Institute Of Technology Method and apparatus for encoding, decoding and compression of audio-type data using reference coefficients located within a band of coefficients

Also Published As

Publication number Publication date
ES2238798T3 (es) 2005-09-01
CA2128216A1 (en) 1993-07-22
EP0961414B1 (de) 2005-03-23
EP0961414A3 (de) 2000-08-30
DE69329796T2 (de) 2001-08-02
US5369724A (en) 1994-11-29
EP0961414A2 (de) 1999-12-01
CA2128216C (en) 2006-06-06
DE69333786T2 (de) 2006-03-30
EP0628195B1 (de) 2000-12-27
ATE198384T1 (de) 2001-01-15
EP0628195A4 (de) 1996-07-31
DE69329796D1 (de) 2001-02-01
EP0628195A1 (de) 1994-12-14
WO1993014492A1 (en) 1993-07-22
ES2155449T3 (es) 2001-05-16
US5640486A (en) 1997-06-17
DE69333786D1 (de) 2005-04-28

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