DE60110679D1 - Perzeptuelle Kodierung von Audiosignalen unter Verwendung von getrennter Reduzierung von Irrelevanz und Redundanz - Google Patents

Perzeptuelle Kodierung von Audiosignalen unter Verwendung von getrennter Reduzierung von Irrelevanz und Redundanz

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Publication number
DE60110679D1
DE60110679D1 DE60110679T DE60110679T DE60110679D1 DE 60110679 D1 DE60110679 D1 DE 60110679D1 DE 60110679 T DE60110679 T DE 60110679T DE 60110679 T DE60110679 T DE 60110679T DE 60110679 D1 DE60110679 D1 DE 60110679D1
Authority
DE
Germany
Prior art keywords
irrelevance
redundancy
audio signals
perceptual coding
separate reduction
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
DE60110679T
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English (en)
Other versions
DE60110679T2 (de
DE60110679T3 (de
Inventor
Bernd Andreas Edler
Gerald Dietrich Schuller
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.)
Nokia of America Corp
Original Assignee
Lucent Technologies Inc
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.)
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Publication date
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Application filed by Lucent Technologies Inc filed Critical Lucent Technologies Inc
Application granted granted Critical
Publication of DE60110679D1 publication Critical patent/DE60110679D1/de
Publication of DE60110679T2 publication Critical patent/DE60110679T2/de
Publication of DE60110679T3 publication Critical patent/DE60110679T3/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE60110679.2T 2000-06-02 2001-05-22 Perzeptuelle Kodierung von Audiosignalen unter Verwendung von getrennter Reduzierung von Irrelevanz und Redundanz Expired - Lifetime DE60110679T3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/586,072 US7110953B1 (en) 2000-06-02 2000-06-02 Perceptual coding of audio signals using separated irrelevancy reduction and redundancy reduction
US586072 2000-06-02
EP01304496.1A EP1160770B2 (de) 2000-06-02 2001-05-22 Perzeptuelle Kodierung von Audiosignalen unter Verwendung von getrennter Reduzierung von Irrelevanz und Redundanz

Publications (3)

Publication Number Publication Date
DE60110679D1 true DE60110679D1 (de) 2005-06-16
DE60110679T2 DE60110679T2 (de) 2006-04-27
DE60110679T3 DE60110679T3 (de) 2018-09-20

Family

ID=24344191

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60110679.2T Expired - Lifetime DE60110679T3 (de) 2000-06-02 2001-05-22 Perzeptuelle Kodierung von Audiosignalen unter Verwendung von getrennter Reduzierung von Irrelevanz und Redundanz

Country Status (4)

Country Link
US (2) US7110953B1 (de)
EP (1) EP1160770B2 (de)
JP (1) JP4567238B2 (de)
DE (1) DE60110679T3 (de)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4506039B2 (ja) * 2001-06-15 2010-07-21 ソニー株式会社 符号化装置及び方法、復号装置及び方法、並びに符号化プログラム及び復号プログラム
KR100433984B1 (ko) * 2002-03-05 2004-06-04 한국전자통신연구원 디지털 오디오 부호화/복호화 장치 및 방법
JP4050578B2 (ja) * 2002-09-04 2008-02-20 株式会社リコー 画像処理装置及び画像処理方法
US7328150B2 (en) * 2002-09-04 2008-02-05 Microsoft Corporation Innovations in pure lossless audio compression
US7536305B2 (en) 2002-09-04 2009-05-19 Microsoft Corporation Mixed lossless audio compression
US7650277B2 (en) * 2003-01-23 2010-01-19 Ittiam Systems (P) Ltd. System, method, and apparatus for fast quantization in perceptual audio coders
DE602004030594D1 (de) * 2003-10-07 2011-01-27 Panasonic Corp Verfahren zur entscheidung der zeitgrenze zur codierung der spektro-hülle und frequenzauflösung
DE102004007191B3 (de) 2004-02-13 2005-09-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierung
DE102004007184B3 (de) * 2004-02-13 2005-09-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Quantisieren eines Informationssignals
DE102004007200B3 (de) * 2004-02-13 2005-08-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierung
EP1578134A1 (de) 2004-03-18 2005-09-21 STMicroelectronics S.r.l. Verfahren und Vorrichtungen zur Kodierung/Dekodierung von Signalen, sowie Computerprogrammprodukt dafür
EP1578133B1 (de) * 2004-03-18 2007-08-15 STMicroelectronics S.r.l. Verfahren und Vorrichtungen zur Kodierung/Dekodierung von Signalen, sowie Computerprogrammprodukt dafür
US7587254B2 (en) * 2004-04-23 2009-09-08 Nokia Corporation Dynamic range control and equalization of digital audio using warped processing
US7787541B2 (en) * 2005-10-05 2010-08-31 Texas Instruments Incorporated Dynamic pre-filter control with subjective noise detector for video compression
EP1840875A1 (de) * 2006-03-31 2007-10-03 Sony Deutschland Gmbh Signalkodierung und -dekodierung mittels Vor- und Nachverarbeitung
DE102006022346B4 (de) * 2006-05-12 2008-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Informationssignalcodierung
MX2008016163A (es) * 2006-06-30 2009-02-04 Fraunhofer Ges Forschung Codificador de audio, decodificador de audio y procesador de audio con caracteristicas de warping variable de manera dinamica.
US7873511B2 (en) * 2006-06-30 2011-01-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
US8682652B2 (en) * 2006-06-30 2014-03-25 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
WO2008016098A1 (fr) * 2006-08-04 2008-02-07 Panasonic Corporation dispositif de codage audio stéréo, dispositif de décodage audio stéréo et procédé de ceux-ci
JP5103880B2 (ja) * 2006-11-24 2012-12-19 富士通株式会社 復号化装置および復号化方法
US8290167B2 (en) 2007-03-21 2012-10-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for conversion between multi-channel audio formats
US8908873B2 (en) * 2007-03-21 2014-12-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for conversion between multi-channel audio formats
US9015051B2 (en) * 2007-03-21 2015-04-21 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Reconstruction of audio channels with direction parameters indicating direction of origin
US20090006081A1 (en) * 2007-06-27 2009-01-01 Samsung Electronics Co., Ltd. Method, medium and apparatus for encoding and/or decoding signal
KR101441896B1 (ko) * 2008-01-29 2014-09-23 삼성전자주식회사 적응적 ｌｐｃ 계수 보간을 이용한 오디오 신호의 부호화,복호화 방법 및 장치
KR101413967B1 (ko) * 2008-01-29 2014-07-01 삼성전자주식회사 오디오 신호의 부호화 방법 및 복호화 방법, 및 그에 대한 기록 매체, 오디오 신호의 부호화 장치 및 복호화 장치
US8386271B2 (en) 2008-03-25 2013-02-26 Microsoft Corporation Lossless and near lossless scalable audio codec
WO2010028297A1 (en) 2008-09-06 2010-03-11 GH Innovation, Inc. Selective bandwidth extension
WO2010028292A1 (en) * 2008-09-06 2010-03-11 Huawei Technologies Co., Ltd. Adaptive frequency prediction
WO2010028301A1 (en) * 2008-09-06 2010-03-11 GH Innovation, Inc. Spectrum harmonic/noise sharpness control
WO2010028299A1 (en) * 2008-09-06 2010-03-11 Huawei Technologies Co., Ltd. Noise-feedback for spectral envelope quantization
WO2010031003A1 (en) 2008-09-15 2010-03-18 Huawei Technologies Co., Ltd. Adding second enhancement layer to celp based core layer
US8577673B2 (en) * 2008-09-15 2013-11-05 Huawei Technologies Co., Ltd. CELP post-processing for music signals
ES2567129T3 (es) * 2009-01-28 2016-04-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador de audio, decodificador de audio, información de audio codificada, métodos para la codificación y decodificación de una señal de audio y programa de ordenador
US20100241423A1 (en) * 2009-03-18 2010-09-23 Stanley Wayne Jackson System and method for frequency to phase balancing for timbre-accurate low bit rate audio encoding
US8924208B2 (en) * 2010-01-13 2014-12-30 Panasonic Intellectual Property Corporation Of America Encoding device and encoding method
US8958510B1 (en) * 2010-06-10 2015-02-17 Fredric J. Harris Selectable bandwidth filter
US8532985B2 (en) * 2010-12-03 2013-09-10 Microsoft Coporation Warped spectral and fine estimate audio encoding
US8781023B2 (en) 2011-11-01 2014-07-15 At&T Intellectual Property I, L.P. Method and apparatus for improving transmission of data on a bandwidth expanded channel
US8774308B2 (en) 2011-11-01 2014-07-08 At&T Intellectual Property I, L.P. Method and apparatus for improving transmission of data on a bandwidth mismatched channel
US8831935B2 (en) * 2012-06-20 2014-09-09 Broadcom Corporation Noise feedback coding for delta modulation and other codecs
US9711156B2 (en) 2013-02-08 2017-07-18 Qualcomm Incorporated Systems and methods of performing filtering for gain determination
KR102072365B1 (ko) * 2013-04-05 2020-02-03 돌비 인터네셔널 에이비 고급 양자화기
US9384746B2 (en) 2013-10-14 2016-07-05 Qualcomm Incorporated Systems and methods of energy-scaled signal processing
CN113380270B (zh) * 2021-05-07 2024-03-29 普联国际有限公司 一种音频音源分离方法、装置、存储介质及电子设备

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1000643A5 (fr) * 1987-06-05 1989-02-28 Belge Etat Procede de codage de signaux d'image.
US5341457A (en) * 1988-12-30 1994-08-23 At&T Bell Laboratories Perceptual coding of audio signals
DE69130275T2 (de) * 1990-07-31 1999-04-08 Canon Kk Verfahren und Gerät zur Bildverarbeitung
US5285498A (en) * 1992-03-02 1994-02-08 At&T Bell Laboratories Method and apparatus for coding audio signals based on perceptual model
EP0559348A3 (de) * 1992-03-02 1993-11-03 AT&T Corp. Rateurregelschleifenprozessor für einen wahrnehmungsgebundenen Koder/Dekoder
US5623577A (en) * 1993-07-16 1997-04-22 Dolby Laboratories Licensing Corporation Computationally efficient adaptive bit allocation for encoding method and apparatus with allowance for decoder spectral distortions
WO1995013660A1 (fr) * 1993-11-09 1995-05-18 Sony Corporation Appareil de quantification, procede de quantification, codeur a haute efficacite, procede de codage a haute efficacite, decodeur, supports d'enregistrement et de codage a haute efficacite
US20010047256A1 (en) * 1993-12-07 2001-11-29 Katsuaki Tsurushima Multi-format recording medium
JP3024468B2 (ja) * 1993-12-10 2000-03-21 日本電気株式会社 音声復号装置
DE69515907T2 (de) * 1994-12-20 2000-08-17 Dolby Lab Licensing Corp Verfahren und gerät zum anwenden von wellenformprädiktion auf teilbänder in einem perzeptiven kodiersystem
JPH09101799A (ja) * 1995-10-04 1997-04-15 Sony Corp 信号符号化方法及び装置
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
US5687191A (en) * 1995-12-06 1997-11-11 Solana Technology Development Corporation Post-compression hidden data transport
US6029126A (en) † 1998-06-30 2000-02-22 Microsoft Corporation Scalable audio coder and decoder

Also Published As

Publication number Publication date
EP1160770B2 (de) 2018-04-11
JP4567238B2 (ja) 2010-10-20
DE60110679T2 (de) 2006-04-27
EP1160770A3 (de) 2003-05-02
US7110953B1 (en) 2006-09-19
DE60110679T3 (de) 2018-09-20
US20060147124A1 (en) 2006-07-06
JP2002041097A (ja) 2002-02-08
EP1160770A2 (de) 2001-12-05
EP1160770B1 (de) 2005-05-11

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