DE60126811D1 - Kodierung von audiosignalen - Google Patents

Kodierung von audiosignalen

Info

Publication number
DE60126811D1
DE60126811D1 DE60126811T DE60126811T DE60126811D1 DE 60126811 D1 DE60126811 D1 DE 60126811D1 DE 60126811 T DE60126811 T DE 60126811T DE 60126811 T DE60126811 T DE 60126811T DE 60126811 D1 DE60126811 D1 DE 60126811D1
Authority
DE
Germany
Prior art keywords
input signal
psychoacoustic
norm
modeled
frame
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 - Fee Related
Application number
DE60126811T
Other languages
English (en)
Other versions
DE60126811T2 (de
Inventor
Richard Heusdens
Renat Vafin
Willem B Kleijn
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE60126811D1 publication Critical patent/DE60126811D1/de
Publication of DE60126811T2 publication Critical patent/DE60126811T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0013—Codebook search algorithms
    • G10L2019/0014—Selection criteria for distances

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (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)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE60126811T 2000-11-03 2001-10-31 Kodierung von audiosignalen Expired - Fee Related DE60126811T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP00203856 2000-11-03
EP00203856 2000-11-03
EP01201685 2001-05-08
EP01201685 2001-05-08
PCT/EP2001/012721 WO2002037476A1 (en) 2000-11-03 2001-10-31 Sinusoidal model based coding of audio signals

Publications (2)

Publication Number Publication Date
DE60126811D1 true DE60126811D1 (de) 2007-04-05
DE60126811T2 DE60126811T2 (de) 2007-12-06

Family

ID=26072835

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60126811T Expired - Fee Related DE60126811T2 (de) 2000-11-03 2001-10-31 Kodierung von audiosignalen

Country Status (8)

Country Link
US (1) US7120587B2 (de)
EP (1) EP1338001B1 (de)
JP (1) JP2004513392A (de)
KR (1) KR20020070373A (de)
CN (1) CN1216366C (de)
AT (1) ATE354850T1 (de)
DE (1) DE60126811T2 (de)
WO (1) WO2002037476A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7079986B2 (en) * 2003-12-31 2006-07-18 Sieracki Jeffrey M Greedy adaptive signature discrimination system and method
US8271200B2 (en) * 2003-12-31 2012-09-18 Sieracki Jeffrey M System and method for acoustic signature extraction, detection, discrimination, and localization
US8478539B2 (en) 2003-12-31 2013-07-02 Jeffrey M. Sieracki System and method for neurological activity signature determination, discrimination, and detection
WO2005091275A1 (en) * 2004-03-17 2005-09-29 Koninklijke Philips Electronics N.V. Audio coding
US7751572B2 (en) 2005-04-15 2010-07-06 Dolby International Ab Adaptive residual audio coding
KR100788706B1 (ko) * 2006-11-28 2007-12-26 삼성전자주식회사 광대역 음성 신호의 부호화/복호화 방법
KR101299155B1 (ko) * 2006-12-29 2013-08-22 삼성전자주식회사 오디오 부호화 및 복호화 장치와 그 방법
KR101149448B1 (ko) * 2007-02-12 2012-05-25 삼성전자주식회사 오디오 부호화 및 복호화 장치와 그 방법
KR101346771B1 (ko) * 2007-08-16 2013-12-31 삼성전자주식회사 심리 음향 모델에 따른 마스킹 값보다 작은 정현파 신호를효율적으로 인코딩하는 방법 및 장치, 그리고 인코딩된오디오 신호를 디코딩하는 방법 및 장치
KR101441898B1 (ko) * 2008-02-01 2014-09-23 삼성전자주식회사 주파수 부호화 방법 및 장치와 주파수 복호화 방법 및 장치
US8805083B1 (en) 2010-03-21 2014-08-12 Jeffrey M. Sieracki System and method for discriminating constituents of image by complex spectral signature extraction
US9691395B1 (en) 2011-12-31 2017-06-27 Reality Analytics, Inc. System and method for taxonomically distinguishing unconstrained signal data segments
US9558762B1 (en) 2011-07-03 2017-01-31 Reality Analytics, Inc. System and method for distinguishing source from unconstrained acoustic signals emitted thereby in context agnostic manner
US9886945B1 (en) 2011-07-03 2018-02-06 Reality Analytics, Inc. System and method for taxonomically distinguishing sample data captured from biota sources
JP5799707B2 (ja) * 2011-09-26 2015-10-28 ソニー株式会社 オーディオ符号化装置およびオーディオ符号化方法、オーディオ復号装置およびオーディオ復号方法、並びにプログラム
EP3617904A4 (de) * 2017-04-28 2020-04-29 Sony Corporation Informationsverarbeitungsvorrichtung und informationsverarbeitungsverfahren

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1062963C (zh) * 1990-04-12 2001-03-07 多尔拜实验特许公司 用于产生高质量声音信号的解码器和编码器
JP3446216B2 (ja) * 1992-03-06 2003-09-16 ソニー株式会社 音声信号処理方法
US5651090A (en) * 1994-05-06 1997-07-22 Nippon Telegraph And Telephone Corporation Coding method and coder for coding input signals of plural channels using vector quantization, and decoding method and decoder therefor
JP3707153B2 (ja) * 1996-09-24 2005-10-19 ソニー株式会社 ベクトル量子化方法、音声符号化方法及び装置
FI973873A (fi) * 1997-10-02 1999-04-03 Nokia Mobile Phones Ltd Puhekoodaus

Also Published As

Publication number Publication date
US7120587B2 (en) 2006-10-10
ATE354850T1 (de) 2007-03-15
DE60126811T2 (de) 2007-12-06
EP1338001A1 (de) 2003-08-27
CN1216366C (zh) 2005-08-24
CN1408110A (zh) 2003-04-02
EP1338001B1 (de) 2007-02-21
WO2002037476A1 (en) 2002-05-10
KR20020070373A (ko) 2002-09-06
JP2004513392A (ja) 2004-04-30
US20030009332A1 (en) 2003-01-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee