DE69937907T2 - Sprachkodiererprozessor und sprachkodierungsmethode - Google Patents

Sprachkodiererprozessor und sprachkodierungsmethode Download PDF

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Publication number
DE69937907T2
DE69937907T2 DE69937907T DE69937907T DE69937907T2 DE 69937907 T2 DE69937907 T2 DE 69937907T2 DE 69937907 T DE69937907 T DE 69937907T DE 69937907 T DE69937907 T DE 69937907T DE 69937907 T2 DE69937907 T2 DE 69937907T2
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DE
Germany
Prior art keywords
speech
signal
speech signal
filter
ltp
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69937907T
Other languages
German (de)
English (en)
Other versions
DE69937907D1 (de
Inventor
Masanao Kawasaki-shi Suzuki
Yasuji Kawasaki-shi Ota
Yoshiteru Hakata-ku Fukuoka-shi TSUCHINAGA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69937907D1 publication Critical patent/DE69937907D1/de
Publication of DE69937907T2 publication Critical patent/DE69937907T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • 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
DE69937907T 1999-04-19 1999-04-19 Sprachkodiererprozessor und sprachkodierungsmethode Expired - Lifetime DE69937907T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1999/002089 WO2000063878A1 (fr) 1999-04-19 1999-04-19 Codeur de parole, processeur de parole et procede de traitement de la parole

Publications (2)

Publication Number Publication Date
DE69937907D1 DE69937907D1 (de) 2008-02-14
DE69937907T2 true DE69937907T2 (de) 2008-12-24

Family

ID=14235515

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69937907T Expired - Lifetime DE69937907T2 (de) 1999-04-19 1999-04-19 Sprachkodiererprozessor und sprachkodierungsmethode

Country Status (5)

Country Link
US (1) US6470312B1 (US06470312-20021022-M00013.png)
EP (1) EP1187337B1 (US06470312-20021022-M00013.png)
JP (1) JP3905706B2 (US06470312-20021022-M00013.png)
DE (1) DE69937907T2 (US06470312-20021022-M00013.png)
WO (1) WO2000063878A1 (US06470312-20021022-M00013.png)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7072832B1 (en) 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
DE19934296C2 (de) * 1999-07-21 2002-01-24 Infineon Technologies Ag Prüfanordnung und Verfahren zum Testen eines digitalen elektronischen Filters
US6910007B2 (en) * 2000-05-31 2005-06-21 At&T Corp Stochastic modeling of spectral adjustment for high quality pitch modification
US7103538B1 (en) * 2002-06-10 2006-09-05 Mindspeed Technologies, Inc. Fixed code book with embedded adaptive code book
US9058812B2 (en) * 2005-07-27 2015-06-16 Google Technology Holdings LLC Method and system for coding an information signal using pitch delay contour adjustment
PT2165328T (pt) 2007-06-11 2018-04-24 Fraunhofer Ges Forschung Codificação e descodificação de um sinal de áudio tendo uma parte do tipo impulso e uma parte estacionária
KR101403340B1 (ko) * 2007-08-02 2014-06-09 삼성전자주식회사 변환 부호화 방법 및 장치
US9972301B2 (en) * 2016-10-18 2018-05-15 Mastercard International Incorporated Systems and methods for correcting text-to-speech pronunciation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6068400A (ja) * 1983-09-26 1985-04-18 沖電気工業株式会社 音声分析合成方法
JP3194481B2 (ja) * 1991-10-22 2001-07-30 日本電信電話株式会社 音声符号化法
US5265190A (en) * 1991-05-31 1993-11-23 Motorola, Inc. CELP vocoder with efficient adaptive codebook search
WO1995024776A2 (en) * 1994-03-11 1995-09-14 Philips Electronics N.V. Transmission system for quasi-periodic signals
IT1277194B1 (it) * 1995-06-28 1997-11-05 Alcatel Italia Metodo e relativi apparati di codifica e di decodifica di un segnale vocale campionato
JP3499658B2 (ja) 1995-09-12 2004-02-23 株式会社東芝 対話支援装置
US5774837A (en) * 1995-09-13 1998-06-30 Voxware, Inc. Speech coding system and method using voicing probability determination
JP3595041B2 (ja) * 1995-09-13 2004-12-02 株式会社東芝 音声合成システムおよび音声合成方法
JPH09134196A (ja) * 1995-11-08 1997-05-20 Matsushita Electric Ind Co Ltd 音声符号化装置

Also Published As

Publication number Publication date
EP1187337A4 (en) 2005-05-11
EP1187337B1 (en) 2008-01-02
JP3905706B2 (ja) 2007-04-18
EP1187337A1 (en) 2002-03-13
DE69937907D1 (de) 2008-02-14
WO2000063878A1 (fr) 2000-10-26
US6470312B1 (en) 2002-10-22

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