DE69333786D1 - Verfahren zum Kodieren und Dekodieren von Audiodaten - Google Patents

Verfahren zum Kodieren und Dekodieren von Audiodaten

Info

Publication number
DE69333786D1
DE69333786D1 DE69333786T DE69333786T DE69333786D1 DE 69333786 D1 DE69333786 D1 DE 69333786D1 DE 69333786 T DE69333786 T DE 69333786T DE 69333786 T DE69333786 T DE 69333786T DE 69333786 D1 DE69333786 D1 DE 69333786D1
Authority
DE
Germany
Prior art keywords
signal
coding
audio data
decoding audio
yardstick
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 - Lifetime
Application number
DE69333786T
Other languages
English (en)
Other versions
DE69333786T2 (de
Inventor
Jae S Lim
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.)
Massachusetts Institute of Technology
Original Assignee
Massachusetts Institute of 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 Institute of Technology filed Critical Massachusetts Institute of Technology
Publication of DE69333786D1 publication Critical patent/DE69333786D1/de
Application granted granted Critical
Publication of DE69333786T2 publication Critical patent/DE69333786T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
DE69333786T 1992-01-17 1993-01-13 Verfahren zum Kodieren und Dekodieren von Audiodaten Expired - Lifetime DE69333786T2 (de)

Applications Claiming Priority (4)

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
US822247 1992-01-17
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
US879635 1992-05-07

Publications (2)

Publication Number Publication Date
DE69333786D1 true DE69333786D1 (de) 2005-04-28
DE69333786T2 DE69333786T2 (de) 2006-03-30

Family

ID=27124626

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69329796T Expired - Lifetime DE69329796T2 (de) 1992-01-17 1993-01-13 Verfahren zur kodierung, dekodierung und kompression von audiodaten
DE69333786T Expired - Lifetime DE69333786T2 (de) 1992-01-17 1993-01-13 Verfahren zum Kodieren und Dekodieren von Audiodaten

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69329796T Expired - Lifetime DE69329796T2 (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) EP0628195B1 (de)
AT (2) ATE198384T1 (de)
CA (1) CA2128216C (de)
DE (2) DE69329796T2 (de)
ES (2) ES2238798T3 (de)
WO (1) WO1993014492A1 (de)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5394508A (en) * 1992-01-17 1995-02-28 Massachusetts Institute Of Technology Method and apparatus for encoding decoding and compression of audio-type data
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
DE69428435T2 (de) * 1993-11-04 2002-07-11 Sony Corp Signalkodierer, signaldekodierer, aufzeichnungsträger und signalkodiererverfahren
KR960704300A (ko) * 1994-05-25 1996-08-31 이데이 노부유키 부호화 방법, 복호화 방법, 부호화/복호화 방법, 부호화 장치, 복호화 장치 및 부호화/복호화 장치(Encoding method, decoding method, encoding/decoding method, encoding apparatus, decoding apparatus, and encoding/decoding apparatus)
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
WO2015037969A1 (ko) 2013-09-16 2015-03-19 삼성전자 주식회사 신호 부호화방법 및 장치와 신호 복호화방법 및 장치
EP3046104B1 (de) * 2013-09-16 2019-11-20 Samsung Electronics Co., Ltd. Signalcodierungsverfahren und signaldecodierungsverfahren
CN110176241B (zh) * 2014-02-17 2023-10-31 三星电子株式会社 信号编码方法和设备以及信号解码方法和设备
JP6763849B2 (ja) 2014-07-28 2020-09-30 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
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

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3167257D1 (en) * 1981-02-27 1985-01-03 Ibm Transmission methods and apparatus for implementing the method
US4899384A (en) * 1986-08-25 1990-02-06 Ibm Corporation Table controlled dynamic bit allocation in a variable rate sub-band speech coder
US5230038A (en) * 1989-01-27 1993-07-20 Fielder Louis D Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
US5222189A (en) * 1989-01-27 1993-06-22 Dolby Laboratories Licensing Corporation Low time-delay transform coder, decoder, and encoder/decoder for high-quality audio
DE69032624T2 (de) * 1989-01-27 1999-03-25 Dolby Lab Licensing Corp Formatierung eines kodierten Signals für Kodierer und Dekodierer eines Audiosystems hoher Qualität
JPH03117919A (ja) * 1989-09-30 1991-05-20 Sony Corp ディジタル信号符号化装置
JP2861238B2 (ja) * 1990-04-20 1999-02-24 ソニー株式会社 ディジタル信号符号化方法
NL9001127A (nl) * 1990-05-14 1991-12-02 Philips Nv Kodeerinrichting bevattende een subbandkoder, en een zender voorzien van de kodeerinrichting.
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
ES2155449T3 (es) 2001-05-16
US5640486A (en) 1997-06-17
ATE291771T1 (de) 2005-04-15
US5369724A (en) 1994-11-29
EP0961414A2 (de) 1999-12-01
DE69329796D1 (de) 2001-02-01
EP0628195A1 (de) 1994-12-14
EP0961414A3 (de) 2000-08-30
WO1993014492A1 (en) 1993-07-22
ATE198384T1 (de) 2001-01-15
EP0961414B1 (de) 2005-03-23
ES2238798T3 (es) 2005-09-01
DE69333786T2 (de) 2006-03-30
EP0628195B1 (de) 2000-12-27
DE69329796T2 (de) 2001-08-02
CA2128216A1 (en) 1993-07-22
EP0628195A4 (de) 1996-07-31
CA2128216C (en) 2006-06-06

Similar Documents

Publication Publication Date Title
DE69333786D1 (de) Verfahren zum Kodieren und Dekodieren von Audiodaten
KR950703231A (ko) 디지탈 신호 부호화 또는 복호화 장치, 디지탈 신호 부호화 또는 복호화 방법 및 기록 매체(Apparatus for encoding digital signal, apparatus for decoding digital signal, and recording medium adapted therefor)
DE69230027D1 (de) Verfahren zur Kodierung von digitalen Multi-Bit-Daten
KR940017885A (ko) 영상 신호 부호화 방법 및 화상 신호 부호화 장치, 화상 신호 복호화 방법 및 화상 신호 복호화 장치, 및 화상 신호 기록 매체
AT379460B (de) Dekodiergeraet zur dekodierung einer uebertragenen kodierten, digitalen information
DE69106415D1 (de) Einrichtung zur Kodierung/Dekodierung von Bildsignalen.
DE69014440D1 (de) Sprachcodierungs-/-decodierungssystem.
DE69023402T2 (de) Verfahren zur Sprachkodierung und -dekodierung.
DE69121829D1 (de) Kodier/Dekodier-Einrichtung und Verfahren für durch kodierte Modulation übertragene, digitale Signale
DE69022705D1 (de) System zur Kodierung/Dekodierung von digitalen Signalen zur Übertragung und/oder Speicherung.
DE69005010T2 (de) Einrichtung zur Sprachkodierung und -Dekodierung.
AT372204B (de) System zur uebertragung digitaler information, kodiervorrichtung, dekodiervorrichtung und aufzeichnungstraeger zur anwendung in diesem system
EP0180403A3 (en) Apparatus and method for encoding and decoding a binary data stream
BR8102969A (pt) Processo e dispositivo para a codificacao de um sinal de video, dispositivo para a decodificacao de um sinal de video codificado e aparelho para codificar e decodificar sinais de video
DE68920739D1 (de) Daten-Kodierung für den Sofortstart von PRML-Empfängern.
EP0612155A3 (de) Kodierverfahren, Kodierer und Dekodierer für ein Digitalsignal sowie Aufzeichnungsträger für kodierte Information.
KR970702623A (ko) 데이타 부호화 장치, 데이타 복호화 장치, 데이타 부호화 방법 및 데이타 복호화 방법(A Data Coding Apparatus, a Date Decoding Apparatus and Method thereof)
MY113173A (en) Video signal coding and decoding method
DE3584217D1 (de) Verfahren zur informations-uebertragung, kodierungsgeraet zur verwendung in dem verfahren und dekodierungsgeraet zur verwendung in dem verfahren.
DE69524526D1 (de) Informationskodierungsverfahren und -vorrichtung, Informationsdekodierungsverfahren und -vorrichtung
HK33489A (en) Method of encoding a stream of data bits,arrangement for performing the method and arrangement for decoding the stream of channel bits obtained in accordance with this method
DE69229660D1 (de) Vokoder zur Kodierung und Dekodierung von Sprachsignalen
EP0658012A3 (de) Einrichtung und Verfahren zur Teilbandkodierung bzw. -dekodierung.
DE3851887T2 (de) Verfahren und Einrichtung zur Sprachkodierung mit niedriger Bitrate.
GB2127256B (en) Method of encoding a stream of data bits device for carrying out the method and device for decoding the encoded stream

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
R071 Expiry of right

Ref document number: 961414

Country of ref document: EP