ATE520122T1 - Sprachkodierung und sprachdekodierung - Google Patents

Sprachkodierung und sprachdekodierung

Info

Publication number
ATE520122T1
ATE520122T1 AT99923967T AT99923967T ATE520122T1 AT E520122 T1 ATE520122 T1 AT E520122T1 AT 99923967 T AT99923967 T AT 99923967T AT 99923967 T AT99923967 T AT 99923967T AT E520122 T1 ATE520122 T1 AT E520122T1
Authority
AT
Austria
Prior art keywords
voice
excitation vectors
decoding
sub
excitation
Prior art date
Application number
AT99923967T
Other languages
English (en)
Inventor
Toshiyuki Morii
Kazutoshi Yasunaga
Original Assignee
Panasonic Corp
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 Panasonic Corp filed Critical Panasonic Corp
Application granted granted Critical
Publication of ATE520122T1 publication Critical patent/ATE520122T1/de

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
    • G10L19/04—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 predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination 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
    • 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
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0005—Multi-stage vector quantisation
    • 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)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AT99923967T 1998-06-09 1999-06-08 Sprachkodierung und sprachdekodierung ATE520122T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP16011998 1998-06-09
JP25827198 1998-09-11
PCT/JP1999/003064 WO1999065017A1 (en) 1998-06-09 1999-06-08 Speech coding apparatus and speech decoding apparatus

Publications (1)

Publication Number Publication Date
ATE520122T1 true ATE520122T1 (de) 2011-08-15

Family

ID=26486711

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99923967T ATE520122T1 (de) 1998-06-09 1999-06-08 Sprachkodierung und sprachdekodierung

Country Status (8)

Country Link
US (2) US7110943B1 (de)
EP (2) EP1002237B1 (de)
JP (1) JP3955179B2 (de)
KR (1) KR100351484B1 (de)
CN (1) CN1167048C (de)
AT (1) ATE520122T1 (de)
CA (1) CA2300077C (de)
WO (1) WO1999065017A1 (de)

Families Citing this family (23)

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CA2300077C (en) * 1998-06-09 2007-09-04 Matsushita Electric Industrial Co., Ltd. Speech coding apparatus and speech decoding apparatus
GB2368761B (en) * 2000-10-30 2003-07-16 Motorola Inc Speech codec and methods for generating a vector codebook and encoding/decoding speech signals
JP4108317B2 (ja) 2001-11-13 2008-06-25 日本電気株式会社 符号変換方法及び装置とプログラム並びに記憶媒体
JP2004151123A (ja) * 2002-10-23 2004-05-27 Nec Corp 符号変換方法、符号変換装置、プログラム及びその記憶媒体
JP3887598B2 (ja) * 2002-11-14 2007-02-28 松下電器産業株式会社 確率的符号帳の音源の符号化方法及び復号化方法
US7698132B2 (en) * 2002-12-17 2010-04-13 Qualcomm Incorporated Sub-sampled excitation waveform codebooks
WO2004084180A2 (en) * 2003-03-15 2004-09-30 Mindspeed Technologies, Inc. Voicing index controls for celp speech coding
CN1303584C (zh) * 2003-09-29 2007-03-07 摩托罗拉公司 联接式语音合成的声音目录编码方法和装置
JP4445328B2 (ja) 2004-05-24 2010-04-07 パナソニック株式会社 音声・楽音復号化装置および音声・楽音復号化方法
TWI317933B (en) * 2005-04-22 2009-12-01 Qualcomm Inc Methods, data storage medium,apparatus of signal processing,and cellular telephone including the same
CN101176148B (zh) * 2005-05-11 2011-06-15 松下电器产业株式会社 编码装置、解码装置和其方法
WO2007129726A1 (ja) * 2006-05-10 2007-11-15 Panasonic Corporation 音声符号化装置及び音声符号化方法
US8812306B2 (en) 2006-07-12 2014-08-19 Panasonic Intellectual Property Corporation Of America Speech decoding and encoding apparatus for lost frame concealment using predetermined number of waveform samples peripheral to the lost frame
EP2051244A4 (de) * 2006-08-08 2010-04-14 Panasonic Corp Audiocodierungseinrichtung und audiocodierungsverfahren
EP2087485B1 (de) * 2006-11-29 2011-06-08 LOQUENDO SpA Quellenabhängige codierung und decodierung mit mehreren codebüchern
EP2099026A4 (de) * 2006-12-13 2011-02-23 Panasonic Corp Nachfilter und filterverfahren
JP2011518345A (ja) 2008-03-14 2011-06-23 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション スピーチライク信号及びノンスピーチライク信号のマルチモードコーディング
JP5817854B2 (ja) * 2013-02-22 2015-11-18 ヤマハ株式会社 音声合成装置およびプログラム
EP4632735A3 (de) 2013-10-18 2025-12-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Konzept zur codierung eines audiosignals und decodierung eines audiosignals unter verwendung von sprachbezogenen spektralformungsinformationen
SG11201603041YA (en) * 2013-10-18 2016-05-30 Fraunhofer Ges Forschung Concept for encoding an audio signal and decoding an audio signal using deterministic and noise like information
US10847170B2 (en) 2015-06-18 2020-11-24 Qualcomm Incorporated Device and method for generating a high-band signal from non-linearly processed sub-ranges
US9837089B2 (en) * 2015-06-18 2017-12-05 Qualcomm Incorporated High-band signal generation
CN113609134B (zh) * 2021-08-23 2024-05-24 广州品唯软件有限公司 一种获取唯一随机码的方法及装置

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US5060269A (en) * 1989-05-18 1991-10-22 General Electric Company Hybrid switched multi-pulse/stochastic speech coding technique
CA2010830C (en) 1990-02-23 1996-06-25 Jean-Pierre Adoul Dynamic codebook for efficient speech coding based on algebraic codes
NO901737L (no) 1990-04-19 1991-10-21 Norlito Maskin As Pakkemaskin for blader (stakker).
JP3089769B2 (ja) * 1991-12-03 2000-09-18 日本電気株式会社 音声符号化装置
JP2968109B2 (ja) 1991-12-11 1999-10-25 沖電気工業株式会社 コード励振線形予測符号化器及び復号化器
JPH05232994A (ja) 1992-02-25 1993-09-10 Oki Electric Ind Co Ltd 統計コードブック
US5717824A (en) * 1992-08-07 1998-02-10 Pacific Communication Sciences, Inc. Adaptive speech coder having code excited linear predictor with multiple codebook searches
JP2746039B2 (ja) 1993-01-22 1998-04-28 日本電気株式会社 音声符号化方式
SE506379C3 (sv) * 1995-03-22 1998-01-19 Ericsson Telefon Ab L M Lpc-talkodare med kombinerad excitation
CA2213909C (en) * 1996-08-26 2002-01-22 Nec Corporation High quality speech coder at low bit rates
JPH10160119A (ja) 1996-11-29 1998-06-19 Corona Corp ポット式バ−ナ
US6066239A (en) 1997-03-18 2000-05-23 The West Bend Company Water distiller with improved solids-removing baffle device
JPH10260119A (ja) 1997-03-19 1998-09-29 Hitachi Zosen Corp ガス分析前処理装置
CA2300077C (en) * 1998-06-09 2007-09-04 Matsushita Electric Industrial Co., Ltd. Speech coding apparatus and speech decoding apparatus

Also Published As

Publication number Publication date
EP1002237A1 (de) 2000-05-24
CA2300077C (en) 2007-09-04
CA2300077A1 (en) 1999-12-16
CN1167048C (zh) 2004-09-15
WO1999065017A1 (en) 1999-12-16
KR20010022714A (ko) 2001-03-26
EP1002237B1 (de) 2011-08-10
KR100351484B1 (ko) 2002-09-05
CN1272939A (zh) 2000-11-08
JP2002518694A (ja) 2002-06-25
EP2378517A1 (de) 2011-10-19
US20060206317A1 (en) 2006-09-14
US7398206B2 (en) 2008-07-08
US7110943B1 (en) 2006-09-19
JP3955179B2 (ja) 2007-08-08

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