DE60134966D1 - Breitband-sprach-codec mit verschiedenen abtastraten - Google Patents

Breitband-sprach-codec mit verschiedenen abtastraten

Info

Publication number
DE60134966D1
DE60134966D1 DE60134966T DE60134966T DE60134966D1 DE 60134966 D1 DE60134966 D1 DE 60134966D1 DE 60134966 T DE60134966 T DE 60134966T DE 60134966 T DE60134966 T DE 60134966T DE 60134966 D1 DE60134966 D1 DE 60134966D1
Authority
DE
Germany
Prior art keywords
abstrates
various
language codec
broadband
broadband language
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
DE60134966T
Other languages
English (en)
Inventor
Jani Rotola-Pukkila
Hannu Mikkola
Janne Vainio
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 Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Application granted granted Critical
Publication of DE60134966D1 publication Critical patent/DE60134966D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/0204Speech 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
    • G10L19/0208Subband vocoders
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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 predictive techniques
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders

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)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE60134966T 2000-02-16 2001-02-02 Breitband-sprach-codec mit verschiedenen abtastraten Expired - Lifetime DE60134966D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/505,411 US6732070B1 (en) 2000-02-16 2000-02-16 Wideband speech codec using a higher sampling rate in analysis and synthesis filtering than in excitation searching
PCT/IB2001/000134 WO2001061687A1 (en) 2000-02-16 2001-02-02 Wideband speech codec using different sampling rates

Publications (1)

Publication Number Publication Date
DE60134966D1 true DE60134966D1 (de) 2008-09-04

Family

ID=24010193

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60134966T Expired - Lifetime DE60134966D1 (de) 2000-02-16 2001-02-02 Breitband-sprach-codec mit verschiedenen abtastraten

Country Status (5)

Country Link
US (1) US6732070B1 (de)
EP (1) EP1273005B1 (de)
AU (1) AU2001228741A1 (de)
DE (1) DE60134966D1 (de)
WO (1) WO2001061687A1 (de)

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US6996522B2 (en) * 2001-03-13 2006-02-07 Industrial Technology Research Institute Celp-Based speech coding for fine grain scalability by altering sub-frame pitch-pulse
US6879955B2 (en) * 2001-06-29 2005-04-12 Microsoft Corporation Signal modification based on continuous time warping for low bit rate CELP coding
US7272555B2 (en) * 2001-09-13 2007-09-18 Industrial Technology Research Institute Fine granularity scalability speech coding for multi-pulses CELP-based algorithm
US6985857B2 (en) * 2001-09-27 2006-01-10 Motorola, Inc. Method and apparatus for speech coding using training and quantizing
ES2237706T3 (es) 2001-11-29 2005-08-01 Coding Technologies Ab Reconstruccion de componentes de alta frecuencia.
US7184951B2 (en) * 2002-02-15 2007-02-27 Radiodetection Limted Methods and systems for generating phase-derivative sound
SE0202770D0 (sv) * 2002-09-18 2002-09-18 Coding Technologies Sweden Ab Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks
US8879432B2 (en) * 2002-09-27 2014-11-04 Broadcom Corporation Splitter and combiner for multiple data rate communication system
US7283585B2 (en) 2002-09-27 2007-10-16 Broadcom Corporation Multiple data rate communication system
US7889783B2 (en) 2002-12-06 2011-02-15 Broadcom Corporation Multiple data rate communication system
EP1482482A1 (de) * 2003-05-27 2004-12-01 Siemens Aktiengesellschaft Frequenzerweiterung für Synthesizer
US7668712B2 (en) * 2004-03-31 2010-02-23 Microsoft Corporation Audio encoding and decoding with intra frames and adaptive forward error correction
BRPI0514940A (pt) * 2004-09-06 2008-07-01 Matsushita Electric Ind Co Ltd dispositivo de codificação escalável e método de codificação escalável
US8219391B2 (en) * 2005-02-15 2012-07-10 Raytheon Bbn Technologies Corp. Speech analyzing system with speech codebook
US7797156B2 (en) * 2005-02-15 2010-09-14 Raytheon Bbn Technologies Corp. Speech analyzing system with adaptive noise codebook
JP5129115B2 (ja) * 2005-04-01 2013-01-23 クゥアルコム・インコーポレイテッド 高帯域バーストの抑制のためのシステム、方法、および装置
UA91853C2 (ru) * 2005-04-01 2010-09-10 Квелкомм Инкорпорейтед Способ и устройство для векторного квантования спектрального представления огибающей
TWI324336B (en) * 2005-04-22 2010-05-01 Qualcomm Inc Method of signal processing and apparatus for gain factor smoothing
US7831421B2 (en) * 2005-05-31 2010-11-09 Microsoft Corporation Robust decoder
US7177804B2 (en) * 2005-05-31 2007-02-13 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding
US7707034B2 (en) * 2005-05-31 2010-04-27 Microsoft Corporation Audio codec post-filter
JP4976381B2 (ja) * 2006-03-31 2012-07-18 パナソニック株式会社 音声符号化装置、音声復号化装置、およびこれらの方法
US7633417B1 (en) * 2006-06-03 2009-12-15 Alcatel Lucent Device and method for enhancing the human perceptual quality of a multimedia signal
US9454974B2 (en) * 2006-07-31 2016-09-27 Qualcomm Incorporated Systems, methods, and apparatus for gain factor limiting
US8005671B2 (en) * 2006-12-04 2011-08-23 Qualcomm Incorporated Systems and methods for dynamic normalization to reduce loss in precision for low-level signals
EP2246845A1 (de) * 2009-04-21 2010-11-03 Siemens Medical Instruments Pte. Ltd. Verfahren und akustische Signalverarbeitungsvorrichtung zur Schätzung von linearen prädiktiven Kodierungskoeffizienten
US8655101B2 (en) * 2009-06-04 2014-02-18 Sharp Kabushiki Kaisha Signal processing device, control method for signal processing device, control program, and computer-readable storage medium having the control program recorded therein
CN102598668B (zh) 2009-11-17 2014-11-12 夏普株式会社 编码装置、解码装置、编码装置的控制方法、解码装置的控制方法、传送系统
US8824825B2 (en) 2009-11-17 2014-09-02 Sharp Kabushiki Kaisha Decoding device with nonlinear process section, control method for the decoding device, transmission system, and computer-readable recording medium having a control program recorded thereon
US9070361B2 (en) * 2011-06-10 2015-06-30 Google Technology Holdings LLC Method and apparatus for encoding a wideband speech signal utilizing downmixing of a highband component
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JP6611042B2 (ja) * 2015-12-02 2019-11-27 パナソニックIpマネジメント株式会社 音声信号復号装置及び音声信号復号方法

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KR20000047944A (ko) 1998-12-11 2000-07-25 이데이 노부유끼 수신장치 및 방법과 통신장치 및 방법

Also Published As

Publication number Publication date
EP1273005B1 (de) 2008-07-23
EP1273005A1 (de) 2003-01-08
WO2001061687A1 (en) 2001-08-23
US6732070B1 (en) 2004-05-04
AU2001228741A1 (en) 2001-08-27

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