BR9703903A - Processo e aparelho para codificação de voz - Google Patents

Processo e aparelho para codificação de voz

Info

Publication number
BR9703903A
BR9703903A BR9703903A BR9703903A BR9703903A BR 9703903 A BR9703903 A BR 9703903A BR 9703903 A BR9703903 A BR 9703903A BR 9703903 A BR9703903 A BR 9703903A BR 9703903 A BR9703903 A BR 9703903A
Authority
BR
Brazil
Prior art keywords
encoding process
voice encoding
voice
encoding
Prior art date
Application number
BR9703903A
Other languages
English (en)
Inventor
Yuji Maeda
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of BR9703903A publication Critical patent/BR9703903A/pt

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

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)
  • Exchange Systems With Centralized Control (AREA)
BR9703903A 1996-07-09 1997-07-09 Processo e aparelho para codificação de voz BR9703903A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8179178A JPH1020891A (ja) 1996-07-09 1996-07-09 音声符号化方法及び装置

Publications (1)

Publication Number Publication Date
BR9703903A true BR9703903A (pt) 1998-11-03

Family

ID=16061307

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9703903A BR9703903A (pt) 1996-07-09 1997-07-09 Processo e aparelho para codificação de voz

Country Status (3)

Country Link
US (1) US6003001A (pt)
JP (1) JPH1020891A (pt)
BR (1) BR9703903A (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69737012T2 (de) 1996-08-02 2007-06-06 Matsushita Electric Industrial Co., Ltd., Kadoma Sprachkodierer, sprachdekodierer und aufzeichnungsmedium dafür
JP3707153B2 (ja) * 1996-09-24 2005-10-19 ソニー株式会社 ベクトル量子化方法、音声符号化方法及び装置
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
CN1658282A (zh) * 1997-12-24 2005-08-24 三菱电机株式会社 声音编码方法和声音译码方法以及声音编码装置和声音译码装置
US6249758B1 (en) * 1998-06-30 2001-06-19 Nortel Networks Limited Apparatus and method for coding speech signals by making use of voice/unvoiced characteristics of the speech signals
US7072832B1 (en) 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
SE521225C2 (sv) * 1998-09-16 2003-10-14 Ericsson Telefon Ab L M Förfarande och anordning för CELP-kodning/avkodning
JP4550176B2 (ja) * 1998-10-08 2010-09-22 株式会社東芝 音声符号化方法
DE60026189T2 (de) * 1999-03-25 2006-09-28 Yamaha Corp., Hamamatsu Verfahren und Vorrichtung zur Wellenformkomprimierung und Erzeugung
US6983242B1 (en) * 2000-08-21 2006-01-03 Mindspeed Technologies, Inc. Method for robust classification in speech coding
US6678651B2 (en) * 2000-09-15 2004-01-13 Mindspeed Technologies, Inc. Short-term enhancement in CELP speech coding
WO2002029517A2 (en) * 2000-10-02 2002-04-11 International Projects Consultancy Services, Inc. Automated loan processing system and method
KR100744352B1 (ko) * 2005-08-01 2007-07-30 삼성전자주식회사 음성 신호의 하모닉 성분을 이용한 유/무성음 분리 정보를추출하는 방법 및 그 장치
US8712766B2 (en) * 2006-05-16 2014-04-29 Motorola Mobility Llc Method and system for coding an information signal using closed loop adaptive bit allocation
WO2009023807A1 (en) * 2007-08-15 2009-02-19 Massachusetts Institute Of Technology Speech processing apparatus and method employing feedback
KR101441896B1 (ko) * 2008-01-29 2014-09-23 삼성전자주식회사 적응적 ｌｐｃ 계수 보간을 이용한 오디오 신호의 부호화,복호화 방법 및 장치
US9325544B2 (en) * 2012-10-31 2016-04-26 Csr Technology Inc. Packet-loss concealment for a degraded frame using replacement data from a non-degraded frame
CN111370009B (zh) * 2013-10-18 2023-12-22 弗朗霍夫应用科学研究促进协会 使用语音相关的频谱整形信息编码音频信号和解码音频信号的概念
MX355258B (es) * 2013-10-18 2018-04-11 Fraunhofer Ges Forschung Concepto para codificar una señal de audio y decodificar una señal de audio usando información determinista y de tipo ruido.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5732389A (en) * 1995-06-07 1998-03-24 Lucent Technologies Inc. Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures

Also Published As

Publication number Publication date
US6003001A (en) 1999-12-14
JPH1020891A (ja) 1998-01-23
MX9704987A (es) 1998-06-30

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Legal Events

Date Code Title Description
FB34 Technical and formal requirements: requirement - article 34 of industrial property law
B11T Dismissal of application maintained [chapter 11.20 patent gazette]