DE60131766D1 - Wahrnehmungsbezogen verbesserte codierung akustischer signale - Google Patents

Wahrnehmungsbezogen verbesserte codierung akustischer signale

Info

Publication number
DE60131766D1
DE60131766D1 DE60131766T DE60131766T DE60131766D1 DE 60131766 D1 DE60131766 D1 DE 60131766D1 DE 60131766 T DE60131766 T DE 60131766T DE 60131766 T DE60131766 T DE 60131766T DE 60131766 D1 DE60131766 D1 DE 60131766D1
Authority
DE
Germany
Prior art keywords
signal
smoothed
acoustic source
receiver
estimate
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
DE60131766T
Other languages
English (en)
Other versions
DE60131766T2 (de
Inventor
Stefan Bruhn
Susanne Andersson
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE60131766D1 publication Critical patent/DE60131766D1/de
Publication of DE60131766T2 publication Critical patent/DE60131766T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/0204—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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DE60131766T 2000-10-20 2001-09-07 Wahrnehmungsbezogen verbesserte codierung akustischer signale Expired - Lifetime DE60131766T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP00850172A EP1199812A1 (de) 2000-10-20 2000-10-20 Kodierung der akustischen Signale mit Verbesserung der Wahrnehmung
EP00850172 2000-10-20
PCT/SE2001/001919 WO2002033692A1 (en) 2000-10-20 2001-09-07 Perceptually improved encoding of acoustic signals

Publications (2)

Publication Number Publication Date
DE60131766D1 true DE60131766D1 (de) 2008-01-17
DE60131766T2 DE60131766T2 (de) 2008-11-13

Family

ID=8175680

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60131766T Expired - Lifetime DE60131766T2 (de) 2000-10-20 2001-09-07 Wahrnehmungsbezogen verbesserte codierung akustischer signale

Country Status (12)

Country Link
US (1) US6611798B2 (de)
EP (2) EP1199812A1 (de)
JP (1) JP5222452B2 (de)
KR (1) KR100832144B1 (de)
CN (1) CN1312658C (de)
AT (1) ATE380378T1 (de)
AU (2) AU8460601A (de)
CA (1) CA2424373C (de)
DE (1) DE60131766T2 (de)
ES (1) ES2296791T3 (de)
PT (1) PT1328923E (de)
WO (1) WO2002033692A1 (de)

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CN100393085C (zh) * 2000-12-29 2008-06-04 诺基亚公司 数字网络中的音频信号质量增强
IL144158A (en) 2001-07-05 2011-06-30 Mosaid Technologies Inc Socket for connecting an analog telephone to a digital communications network that carries digital voice signals
US7308406B2 (en) * 2001-08-17 2007-12-11 Broadcom Corporation Method and system for a waveform attenuation technique for predictive speech coding based on extrapolation of speech waveform
AU2003234763A1 (en) * 2002-04-26 2003-11-10 Matsushita Electric Industrial Co., Ltd. Coding device, decoding device, coding method, and decoding method
DE10254612A1 (de) * 2002-11-22 2004-06-17 Humboldt-Universität Zu Berlin Verfahren zur Ermittlung spezifisch relevanter akustischer Merkmale von Schallsignalen für die Analyse unbekannter Schallsignale einer Schallerzeugung
FR2852172A1 (fr) * 2003-03-04 2004-09-10 France Telecom Procede et dispositif de reconstruction spectrale d'un signal audio
US7724827B2 (en) * 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
US7075434B2 (en) * 2003-09-22 2006-07-11 Michael Shafir Encoding and decoding method and system
US7536302B2 (en) * 2004-07-13 2009-05-19 Industrial Technology Research Institute Method, process and device for coding audio signals
KR100619893B1 (ko) * 2004-07-23 2006-09-19 엘지전자 주식회사 휴대단말기의 개선된 저전송률 선형예측코딩 장치 및 방법
KR20060067016A (ko) 2004-12-14 2006-06-19 엘지전자 주식회사 음성 부호화 장치 및 방법
US7930176B2 (en) 2005-05-20 2011-04-19 Broadcom Corporation Packet loss concealment for block-independent speech codecs
US8599925B2 (en) * 2005-08-12 2013-12-03 Microsoft Corporation Efficient coding and decoding of transform blocks
US7490036B2 (en) * 2005-10-20 2009-02-10 Motorola, Inc. Adaptive equalizer for a coded speech signal
US7930173B2 (en) 2006-06-19 2011-04-19 Sharp Kabushiki Kaisha Signal processing method, signal processing apparatus and recording medium
JP4871894B2 (ja) 2007-03-02 2012-02-08 パナソニック株式会社 符号化装置、復号装置、符号化方法および復号方法
US7774205B2 (en) * 2007-06-15 2010-08-10 Microsoft Corporation Coding of sparse digital media spectral data
BRPI0917953B1 (pt) * 2008-08-08 2020-03-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparelho de atenuação de espectro, aparelho de codificação, aparelho terminal de comunicação, aparelho de estação base e método de atenuação de espectro.
WO2013022426A1 (en) * 2011-08-08 2013-02-14 Hewlett-Packard Development Company, L.P. Method and system for compression of a real-time surveillance signal
CN105321521B (zh) * 2014-06-30 2019-06-04 美的集团股份有限公司 基于终端运行环境的音频信号编码方法和系统
CN109952609B (zh) * 2016-11-07 2023-08-15 雅马哈株式会社 声音合成方法

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US920832A (en) 1906-11-26 1909-05-04 Vickers Sons & Maxim Ltd Automatic gun.
US5307441A (en) 1989-11-29 1994-04-26 Comsat Corporation Wear-toll quality 4.8 kbps speech codec
US5206884A (en) * 1990-10-25 1993-04-27 Comsat Transform domain quantization technique for adaptive predictive coding
IT1241358B (it) * 1990-12-20 1994-01-10 Sip Sistema di codifica del segnale vocale con sottocodice annidato
AU653582B2 (en) 1991-01-08 1994-10-06 Dolby Laboratories Licensing Corporation Encoder/decoder for multidimensional sound fields
US5495555A (en) * 1992-06-01 1996-02-27 Hughes Aircraft Company High quality low bit rate celp-based speech codec
US5526464A (en) 1993-04-29 1996-06-11 Northern Telecom Limited Reducing search complexity for code-excited linear prediction (CELP) coding
US5574825A (en) 1994-03-14 1996-11-12 Lucent Technologies Inc. Linear prediction coefficient generation during frame erasure or packet loss
JPH07261797A (ja) * 1994-03-18 1995-10-13 Mitsubishi Electric Corp 信号符号化装置及び信号復号化装置
JP3237089B2 (ja) 1994-07-28 2001-12-10 株式会社日立製作所 音響信号符号化復号方法
DE69732746C5 (de) * 1996-02-15 2020-11-19 Koninklijke Philips N.V. Signalübertragungssystem mit verringerter komplexität
DE69730779T2 (de) * 1996-06-19 2005-02-10 Texas Instruments Inc., Dallas Verbesserungen bei oder in Bezug auf Sprachkodierung
EP0878790A1 (de) * 1997-05-15 1998-11-18 Hewlett-Packard Company Sprachkodiersystem und Verfahren
CN1144179C (zh) * 1997-07-11 2004-03-31 索尼株式会社 声音信号解码方法和装置、声音信号编码方法和装置
TW408298B (en) * 1997-08-28 2000-10-11 Texas Instruments Inc Improved method for switched-predictive quantization
JPH11296196A (ja) * 1998-04-13 1999-10-29 Hitachi Ltd 音声符号化方法および音声符号化処理装置
JP2000047695A (ja) * 1998-07-29 2000-02-18 Oki Electric Ind Co Ltd 符号化装置及び復号化装置
US6182030B1 (en) * 1998-12-18 2001-01-30 Telefonaktiebolaget Lm Ericsson (Publ) Enhanced coding to improve coded communication signals

Also Published As

Publication number Publication date
CN1312658C (zh) 2007-04-25
ATE380378T1 (de) 2007-12-15
EP1328923B1 (de) 2007-12-05
KR100832144B1 (ko) 2008-05-27
ES2296791T3 (es) 2008-05-01
KR20030048061A (ko) 2003-06-18
WO2002033692A1 (en) 2002-04-25
AU2001284606B2 (en) 2007-01-25
CA2424373A1 (en) 2002-04-25
JP5222452B2 (ja) 2013-06-26
PT1328923E (pt) 2008-02-28
AU8460601A (en) 2002-04-29
DE60131766T2 (de) 2008-11-13
US6611798B2 (en) 2003-08-26
JP2004515801A (ja) 2004-05-27
CA2424373C (en) 2011-08-30
US20020049584A1 (en) 2002-04-25
EP1328923A1 (de) 2003-07-23
EP1199812A1 (de) 2002-04-24
CN1470048A (zh) 2004-01-21

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