CA2026640C - Methode et appareil d'analyse-synthese de paroles - Google Patents
Methode et appareil d'analyse-synthese de parolesInfo
- Publication number
- CA2026640C CA2026640C CA002026640A CA2026640A CA2026640C CA 2026640 C CA2026640 C CA 2026640C CA 002026640 A CA002026640 A CA 002026640A CA 2026640 A CA2026640 A CA 2026640A CA 2026640 C CA2026640 C CA 2026640C
- Authority
- CA
- Canada
- Prior art keywords
- impulse
- speech
- phase
- filter
- reference time
- 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 - Fee Related
Links
- 238000001308 synthesis method Methods 0.000 title description 5
- 238000012545 processing Methods 0.000 claims abstract description 31
- 230000005284 excitation Effects 0.000 claims description 58
- 238000000034 method Methods 0.000 claims description 38
- 230000004044 response Effects 0.000 claims description 22
- 239000013598 vector Substances 0.000 claims description 22
- 238000004458 analytical method Methods 0.000 claims description 16
- 230000003595 spectral effect Effects 0.000 claims description 8
- 238000009877 rendering Methods 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 13
- 238000004364 calculation method Methods 0.000 description 12
- 238000013139 quantization Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 7
- 238000009499 grossing Methods 0.000 description 7
- 238000012546 transfer Methods 0.000 description 7
- 239000011159 matrix material Substances 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 101000822695 Clostridium perfringens (strain 13 / Type A) Small, acid-soluble spore protein C1 Proteins 0.000 description 2
- 101000655262 Clostridium perfringens (strain 13 / Type A) Small, acid-soluble spore protein C2 Proteins 0.000 description 2
- 101000655256 Paraclostridium bifermentans Small, acid-soluble spore protein alpha Proteins 0.000 description 2
- 101000655264 Paraclostridium bifermentans Small, acid-soluble spore protein beta Proteins 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 101100438229 Solanum tuberosum PCM4 gene Proteins 0.000 description 1
- 101100438245 Solanum tuberosum PCM8 gene Proteins 0.000 description 1
- 238000005311 autocorrelation function Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013441 quality evaluation Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
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
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)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP257503/89 | 1989-10-02 | ||
JP1257503A JPH0782360B2 (ja) | 1989-10-02 | 1989-10-02 | 音声分析合成方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2026640A1 CA2026640A1 (fr) | 1991-04-03 |
CA2026640C true CA2026640C (fr) | 1996-07-09 |
Family
ID=17307200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002026640A Expired - Fee Related CA2026640C (fr) | 1989-10-02 | 1990-10-01 | Methode et appareil d'analyse-synthese de paroles |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0421360B1 (fr) |
JP (1) | JPH0782360B2 (fr) |
CA (1) | CA2026640C (fr) |
DE (1) | DE69024899T2 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2741744B1 (fr) * | 1995-11-23 | 1998-01-02 | Thomson Csf | Procede et dispositif d'evaluation de l'energie du signal de parole par sous bande pour vocodeur bas debits |
JP3523649B2 (ja) * | 1997-03-12 | 2004-04-26 | 三菱電機株式会社 | 音声符号化装置、音声復号装置及び音声符号化復号装置、及び、音声符号化方法、音声復号方法及び音声符号化復号方法 |
US7072832B1 (en) | 1998-08-24 | 2006-07-04 | Mindspeed Technologies, Inc. | System for speech encoding having an adaptive encoding arrangement |
US6385573B1 (en) | 1998-08-24 | 2002-05-07 | Conexant Systems, Inc. | Adaptive tilt compensation for synthesized speech residual |
JP4999757B2 (ja) * | 2008-03-31 | 2012-08-15 | 日本電信電話株式会社 | 音声分析合成装置、音声分析合成方法、コンピュータプログラム、および記録媒体 |
JP5325130B2 (ja) * | 2010-01-25 | 2013-10-23 | 日本電信電話株式会社 | Lpc分析装置、lpc分析方法、音声分析合成装置、音声分析合成方法及びプログラム |
CN108281150B (zh) * | 2018-01-29 | 2020-11-17 | 上海泰亿格康复医疗科技股份有限公司 | 一种基于微分声门波模型的语音变调变嗓音方法 |
CN113066476B (zh) * | 2019-12-13 | 2024-05-31 | 科大讯飞股份有限公司 | 合成语音处理方法及相关装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0163829B1 (fr) * | 1984-03-21 | 1989-08-23 | Nippon Telegraph And Telephone Corporation | Dispositif pour le traitement des signaux de parole |
-
1989
- 1989-10-02 JP JP1257503A patent/JPH0782360B2/ja not_active Expired - Lifetime
-
1990
- 1990-10-01 CA CA002026640A patent/CA2026640C/fr not_active Expired - Fee Related
- 1990-10-02 DE DE69024899T patent/DE69024899T2/de not_active Expired - Fee Related
- 1990-10-02 EP EP90118888A patent/EP0421360B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69024899T2 (de) | 1996-07-04 |
DE69024899D1 (de) | 1996-02-29 |
CA2026640A1 (fr) | 1991-04-03 |
EP0421360A3 (en) | 1991-12-27 |
EP0421360B1 (fr) | 1996-01-17 |
JPH0782360B2 (ja) | 1995-09-06 |
EP0421360A2 (fr) | 1991-04-10 |
JPH03119398A (ja) | 1991-05-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5293448A (en) | Speech analysis-synthesis method and apparatus therefor | |
Atal | High-quality speech at low bit rates: Multi-pulse and stochastically excited linear predictive coders | |
EP1338003B1 (fr) | Quantification de gains pour codeur vocal | |
EP0515138B1 (fr) | Codeur digital de parole | |
US5138661A (en) | Linear predictive codeword excited speech synthesizer | |
US5018200A (en) | Communication system capable of improving a speech quality by classifying speech signals | |
EP0749110A2 (fr) | Système de compression de parole basé sur un dictionnaire adaptatif | |
EP0342687B1 (fr) | Système de transmission de parole codée comportant des dictionnaires de codes pour la synthése des composantes de faible amplitude | |
JP2002528775A (ja) | 広帯域信号の符号化における適応帯域ピッチ探索のための方法および装置 | |
US5953697A (en) | Gain estimation scheme for LPC vocoders with a shape index based on signal envelopes | |
EP0232456A1 (fr) | Processeur numérique de la parole utilisant un codage d'excitation arbitraire | |
US5884251A (en) | Voice coding and decoding method and device therefor | |
US5027405A (en) | Communication system capable of improving a speech quality by a pair of pulse producing units | |
US4720865A (en) | Multi-pulse type vocoder | |
KR100421648B1 (ko) | 음성코딩을 위한 적응성 표준 | |
CA2026640C (fr) | Methode et appareil d'analyse-synthese de paroles | |
Deprettere et al. | Regular excitation reduction for effective and efficient LP-coding of speech | |
JP3490324B2 (ja) | 音響信号符号化装置、復号化装置、これらの方法、及びプログラム記録媒体 | |
CA2127483C (fr) | Systeme de codage de signaux vocaux pouvant transmettre un signal vocal a un faible debit binaire sans necessiter des calculs volumineux | |
JP3552201B2 (ja) | 音声符号化方法および装置 | |
JP3296411B2 (ja) | 音声符号化方法および復号化方法 | |
Hernandez-Gomez et al. | On the behaviour of reduced complexity code-excited linear prediction (CELP) | |
GB2352949A (en) | Speech coder for communications unit | |
JPH10105200A (ja) | 音声符号化/復号化方法 | |
JPH06208398A (ja) | 音源波形生成方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |