ATE303647T1 - Sprach-codec und verfahren zur erzeugung eines vektorcodebuchs und zum codieren/decodieren von sprachsignalen - Google Patents

Sprach-codec und verfahren zur erzeugung eines vektorcodebuchs und zum codieren/decodieren von sprachsignalen

Info

Publication number
ATE303647T1
ATE303647T1 AT01993000T AT01993000T ATE303647T1 AT E303647 T1 ATE303647 T1 AT E303647T1 AT 01993000 T AT01993000 T AT 01993000T AT 01993000 T AT01993000 T AT 01993000T AT E303647 T1 ATE303647 T1 AT E303647T1
Authority
AT
Austria
Prior art keywords
speech
codebooks
vectors
codebook
vector codebook
Prior art date
Application number
AT01993000T
Other languages
English (en)
Inventor
Jonathan Alastair Gibbs
James Malcolm Hoskin
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of ATE303647T1 publication Critical patent/ATE303647T1/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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07—Line spectrum pair [LSP] 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
    • G10L2019/0007—Codebook element generation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
  • Machine Translation (AREA)
AT01993000T 2000-10-30 2001-10-22 Sprach-codec und verfahren zur erzeugung eines vektorcodebuchs und zum codieren/decodieren von sprachsignalen ATE303647T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0026463A GB2368761B (en) 2000-10-30 2000-10-30 Speech codec and methods for generating a vector codebook and encoding/decoding speech signals
PCT/EP2001/012403 WO2002037477A1 (en) 2000-10-30 2001-10-22 Speech codec and method for generating a vector codebook and encoding/decoding speech signals

Publications (1)

Publication Number Publication Date
ATE303647T1 true ATE303647T1 (de) 2005-09-15

Family

ID=9902177

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01993000T ATE303647T1 (de) 2000-10-30 2001-10-22 Sprach-codec und verfahren zur erzeugung eines vektorcodebuchs und zum codieren/decodieren von sprachsignalen

Country Status (6)

Country Link
EP (1) EP1334485B1 (de)
AT (1) ATE303647T1 (de)
AU (1) AU2002215972A1 (de)
DE (1) DE60113144T2 (de)
GB (1) GB2368761B (de)
WO (1) WO2002037477A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0703795D0 (en) 2007-02-27 2007-04-04 Sepura Ltd Speech encoding and decoding in communications systems
CN110428847B (zh) * 2019-08-28 2021-08-24 南京梧桐微电子科技有限公司 一种线谱频率参数量化比特分配方法及系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0365822A (ja) * 1989-08-04 1991-03-20 Fujitsu Ltd ベクトル量子化符号器及びベクトル量子化復号器
WO1995010760A2 (en) * 1993-10-08 1995-04-20 Comsat Corporation Improved low bit rate vocoders and methods of operation therefor
US5621852A (en) * 1993-12-14 1997-04-15 Interdigital Technology Corporation Efficient codebook structure for code excited linear prediction coding
GB2300548B (en) * 1995-05-02 2000-01-12 Motorola Ltd Method for a communications system
WO1997027578A1 (en) * 1996-01-26 1997-07-31 Motorola Inc. Very low bit rate time domain speech analyzer for voice messaging
JP4132154B2 (ja) * 1997-10-23 2008-08-13 ソニー株式会社 音声合成方法及び装置、並びに帯域幅拡張方法及び装置
US5966688A (en) * 1997-10-28 1999-10-12 Hughes Electronics Corporation Speech mode based multi-stage vector quantizer
CN1167048C (zh) * 1998-06-09 2004-09-15 松下电器产业株式会社 语音编码设备和语音解码设备
SE519976C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler

Also Published As

Publication number Publication date
DE60113144D1 (de) 2005-10-06
GB2368761B (en) 2003-07-16
WO2002037477A1 (en) 2002-05-10
AU2002215972A1 (en) 2002-05-15
GB0026463D0 (en) 2000-12-13
DE60113144T2 (de) 2006-06-14
GB2368761A (en) 2002-05-08
EP1334485A1 (de) 2003-08-13
EP1334485B1 (de) 2005-08-31

Similar Documents

Publication Publication Date Title
US9489962B2 (en) Sound signal hybrid encoder, sound signal hybrid decoder, sound signal encoding method, and sound signal decoding method
Atal High-quality speech at low bit rates: Multi-pulse and stochastically excited linear predictive coders
NO341585B1 (no) Fremgangsmåte og innretning for koding av overgangsrammer i talesignaler
KR101565633B1 (ko) 음성/음악 통합 신호의 부호화/복호화 방법 및 장치
CN101484937B (zh) 使用缓冲器调节对已预测编码的数据进行解码
MX2011000362A (es) Esquema de codificacion/decodificacion de audio a baja velocidad binaria y conmutadores en cascada.
IT1281001B1 (it) Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio.
KR970024627A (ko) 음성부호화방법 및 장치
DE602007003520D1 (de) Verfahren und Vorrichtung zur Kodierung von Audiodaten basierend auf Vektorquantisierung
CN101577605A (zh) 基于滤波器相似度的语音lpc隐藏和提取算法
DE69614782D1 (de) Verfahren und Einrichtung zur Wiedergabe von Sprachsignalen und Verfahren zu seiner Übertragung
MX2011000534A (es) Esquema de codificacion/decodificacion de audio que tiene una derivacion conmutable.
MY129887A (en) Method and apparatus for performing reduced rate variable rate vocoding
CN102150204A (zh) 编码和解码语音与音频统合信号的设备
CN102687200A (zh) 使用可切换模型核心的嵌入式语音和音频代码化
CN103703512A (zh) 用于音频编码和解码的方法和装置
DK1328927T3 (da) Fremgangsmåde og system til estimering af kunstigt höjbåndssignal i tale-codec
Ramprashad A two stage hybrid embedded speech/audio coding structure
US5875423A (en) Method for selecting noise codebook vectors in a variable rate speech coder and decoder
ATE303647T1 (de) Sprach-codec und verfahren zur erzeugung eines vektorcodebuchs und zum codieren/decodieren von sprachsignalen
JP3199142B2 (ja) 音声の励振信号符号化方法および装置
DE60027140D1 (de) Sprachsynthetisierer auf der basis von sprachkodierung mit veränderlicher bit-rate
DE50112765D1 (de) Verfahren zur verbesserung der sprachqualität bei sprachübertragungsaufgaben
TW200639801A (en) Low-complexity code excited linear prediction encoding
JPS58145995A (ja) 音声合成装置

Legal Events

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