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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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) EP2378517A1 (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 (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
US7155386B2 (en) * 2003-03-15 2006-12-26 Mindspeed Technologies, Inc. Adaptive correlation window for open-loop pitch
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
TWI324336B (en) * 2005-04-22 2010-05-01 Qualcomm Inc Method of signal processing and apparatus for gain factor smoothing
DE602006018129D1 (de) * 2005-05-11 2010-12-23 Panasonic Corp Codierer, decodierer und verfahren dafür
JPWO2007129726A1 (ja) * 2006-05-10 2009-09-17 パナソニック株式会社 音声符号化装置及び音声符号化方法
JP5052514B2 (ja) 2006-07-12 2012-10-17 パナソニック株式会社 音声復号装置
WO2008018464A1 (fr) * 2006-08-08 2008-02-14 Panasonic Corporation dispositif de codage audio et procédé de codage audio
WO2008064697A1 (en) * 2006-11-29 2008-06-05 Loquendo S.P.A. Multicodebook source -dependent coding and decoding
US20100010810A1 (en) * 2006-12-13 2010-01-14 Panasonic Corporation Post filter and filtering method
EP2269188B1 (de) 2008-03-14 2014-06-11 Dolby Laboratories Licensing Corporation Multimodale kodierung sprachähnlicher und sprachunähnlicher signale
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
PL3058569T3 (pl) 2013-10-18 2021-06-14 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Koncepcja kodowania sygnału audio i dekodowania sygnału audio z wykorzystaniem informacji deterministycznych i podobnych do szumu
WO2015055531A1 (en) 2013-10-18 2015-04-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Concept for encoding an audio signal and decoding an audio signal using speech related spectral shaping information
US9837089B2 (en) * 2015-06-18 2017-12-05 Qualcomm Incorporated High-band signal generation
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
CN113609134A (zh) * 2021-08-23 2021-11-05 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

Family Cites Families (13)

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

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