ATE513290T1 - Wenig komplexe codeerregte linearprädiktions- codierung - Google Patents

Wenig komplexe codeerregte linearprädiktions- codierung

Info

Publication number
ATE513290T1
ATE513290T1 AT05722196T AT05722196T ATE513290T1 AT E513290 T1 ATE513290 T1 AT E513290T1 AT 05722196 T AT05722196 T AT 05722196T AT 05722196 T AT05722196 T AT 05722196T AT E513290 T1 ATE513290 T1 AT E513290T1
Authority
AT
Austria
Prior art keywords
signals
signal
linear prediction
less complex
excitation signals
Prior art date
Application number
AT05722196T
Other languages
English (en)
Inventor
Anisse Taleb
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE513290T1 publication Critical patent/ATE513290T1/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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
    • 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
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • 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
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • G10L19/107—Sparse pulse excitation, e.g. by using algebraic codebook

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
AT05722196T 2005-03-09 2005-03-09 Wenig komplexe codeerregte linearprädiktions- codierung ATE513290T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2005/000349 WO2006096099A1 (en) 2005-03-09 2005-03-09 Low-complexity code excited linear prediction encoding

Publications (1)

Publication Number Publication Date
ATE513290T1 true ATE513290T1 (de) 2011-07-15

Family

ID=36953623

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05722196T ATE513290T1 (de) 2005-03-09 2005-03-09 Wenig komplexe codeerregte linearprädiktions- codierung

Country Status (8)

Country Link
EP (1) EP1859441B1 (de)
JP (1) JP5174651B2 (de)
KR (1) KR101235425B1 (de)
CN (1) CN101138022B (de)
AT (1) ATE513290T1 (de)
BR (1) BRPI0520115B1 (de)
TW (1) TW200639801A (de)
WO (1) WO2006096099A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2529292T3 (es) 2007-04-29 2015-02-18 Huawei Technologies Co., Ltd. Método de codificación y de decodificación
CN102299760B (zh) 2010-06-24 2014-03-12 华为技术有限公司 脉冲编解码方法及脉冲编解码器

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3139602B2 (ja) * 1995-03-24 2001-03-05 日本電信電話株式会社 音響信号符号化方法及び復号化方法
JPH1097295A (ja) * 1996-09-24 1998-04-14 Nippon Telegr & Teleph Corp <Ntt> 音響信号符号化方法及び復号化方法
JP3622365B2 (ja) * 1996-09-26 2005-02-23 ヤマハ株式会社 音声符号化伝送方式
JP3329216B2 (ja) * 1997-01-27 2002-09-30 日本電気株式会社 音声符号化装置及び音声復号装置
US7024355B2 (en) * 1997-01-27 2006-04-04 Nec Corporation Speech coder/decoder
JP3063668B2 (ja) * 1997-04-04 2000-07-12 日本電気株式会社 音声符号化装置及び復号装置
JP3134817B2 (ja) * 1997-07-11 2001-02-13 日本電気株式会社 音声符号化復号装置
US6161086A (en) * 1997-07-29 2000-12-12 Texas Instruments Incorporated Low-complexity speech coding with backward and inverse filtered target matching and a tree structured mutitap adaptive codebook search
SE521225C2 (sv) * 1998-09-16 2003-10-14 Ericsson Telefon Ab L M Förfarande och anordning för CELP-kodning/avkodning
JP3343082B2 (ja) * 1998-10-27 2002-11-11 松下電器産業株式会社 Ｃｅｌｐ型音声符号化装置
US6539349B1 (en) * 2000-02-15 2003-03-25 Lucent Technologies Inc. Constraining pulse positions in CELP vocoding
JP2004302259A (ja) * 2003-03-31 2004-10-28 Matsushita Electric Ind Co Ltd 音響信号の階層符号化方法および階層復号化方法

Also Published As

Publication number Publication date
EP1859441A1 (de) 2007-11-28
BRPI0520115B1 (pt) 2018-07-17
JP5174651B2 (ja) 2013-04-03
KR101235425B1 (ko) 2013-02-20
CN101138022B (zh) 2011-08-10
KR20070116869A (ko) 2007-12-11
CN101138022A (zh) 2008-03-05
JP2008533522A (ja) 2008-08-21
WO2006096099A1 (en) 2006-09-14
TW200639801A (en) 2006-11-16
EP1859441B1 (de) 2011-06-15
BRPI0520115A2 (pt) 2009-09-15

Similar Documents

Publication Publication Date Title
CN102150204B (zh) 编码和解码语音与音频统合信号的设备
DE602007003520D1 (de) Verfahren und Vorrichtung zur Kodierung von Audiodaten basierend auf Vektorquantisierung
MX2009004427A (es) Metodo y dispositivo para codificar cuadros de transicion en señales de habla.
MY138212A (en) Method for interoperation between adaptive multi-rate wideband (amr-wb) and multi-mode variable bit-rate wideband (vmr-wb) codecs
DE69521254D1 (de) Verfahren zur sprachkodierung
BR0305434A (pt) Métodos e arranjos para codificar e para decodificar um sinal de áudio multicanal, aparelhos para fornecer um sinal de áudio codificado e um sinal de áudio decodificado, sinal de áudio multicanal codificado, e, meio de armazenagem
EP0770990A3 (de) Verfahren und Vorrichtung zur Sprachkodierung und -dekodierung
ATE452402T1 (de) Unterstützung eines wechsels zwischen audiocodierer-betriebsarten
CN102150024A (zh) 编码和解码统合的语音与音频信号的设备与方法
TW200641796A (en) Sub-band voice codec with multi-stage codebooks and redundant coding
ES2721514T3 (es) Procedimiento de codificación de imágenes en movimiento y procedimiento de decodificación de imágenes en movimiento
DE60123999D1 (de) Gewinn-faktoren quantisierung für einen celp- sprachkodierer
JP2009527789A5 (de)
AU2001284327A1 (en) Method and system for estimating artificial high band signal in speech codec
WO2008024615A3 (en) Time-warping frames of wideband vocoder
ATE492875T1 (de) Sprachanalysesystem
CN103493129A (zh) 用于使用瞬态检测及质量结果将音频信号的部分编码的装置与方法
DE50201604D1 (de) Verfahren für die algebraische Codebook-Suche eines Sprachsignalkodierers
ES2634511T3 (es) Aparato de codificación de audio y procedimiento de codificación de audio
ATE432525T1 (de) Verfahren zum auswählen von syntheseneinheiten
DE60202857D1 (de) Verfahren und prozessorsystem zur audiosignalverarbeitung
ATE513290T1 (de) Wenig komplexe codeerregte linearprädiktions- codierung
ATE534991T1 (de) Kodierung eines audiosignals
DE69703233T2 (de) Verfahren und Systeme zur Sprachkodierung
WO2007111649A3 (en) Open-loop pitch track smoothing

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties