CA1301338C - Methode de comparaison de blocs pour la reconnaissance vocale dans les environnements a niveau de bruit eleve - Google Patents
Methode de comparaison de blocs pour la reconnaissance vocale dans les environnements a niveau de bruit eleveInfo
- Publication number
- CA1301338C CA1301338C CA000526489A CA526489A CA1301338C CA 1301338 C CA1301338 C CA 1301338C CA 000526489 A CA000526489 A CA 000526489A CA 526489 A CA526489 A CA 526489A CA 1301338 C CA1301338 C CA 1301338C
- Authority
- CA
- Canada
- Prior art keywords
- level
- difference
- value
- signal
- channel
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 51
- 230000003139 buffering effect Effects 0.000 claims 2
- 230000002401 inhibitory effect Effects 0.000 claims 2
- 238000010606 normalization Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- FBOUIAKEJMZPQG-AWNIVKPZSA-N (1E)-1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)pent-1-en-3-ol Chemical compound C1=NC=NN1/C(C(O)C(C)(C)C)=C/C1=CC=C(Cl)C=C1Cl FBOUIAKEJMZPQG-AWNIVKPZSA-N 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 238000012549 training Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011524 similarity measure Methods 0.000 description 1
- 230000001629 suppression 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
- G10L15/00—Speech recognition
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US81659886A | 1986-01-06 | 1986-01-06 | |
| US816,598 | 1986-01-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1301338C true CA1301338C (fr) | 1992-05-19 |
Family
ID=25221081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000526489A Expired - Lifetime CA1301338C (fr) | 1986-01-06 | 1986-12-30 | Methode de comparaison de blocs pour la reconnaissance vocale dans les environnements a niveau de bruit eleve |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0255529A4 (fr) |
| JP (1) | JPS63502304A (fr) |
| CA (1) | CA1301338C (fr) |
| FI (1) | FI873567A (fr) |
| WO (1) | WO1987004294A1 (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4805218A (en) * | 1987-04-03 | 1989-02-14 | Dragon Systems, Inc. | Method for speech analysis and speech recognition |
| EP0747879B1 (fr) * | 1990-05-28 | 2002-08-07 | Matsushita Electric Industrial Co., Ltd. | Système de codage du signal de parole |
| DE69124005T2 (de) * | 1990-05-28 | 1997-07-31 | Matsushita Electric Ind Co Ltd | Sprachsignalverarbeitungsvorrichtung |
| EP0459382B1 (fr) * | 1990-05-28 | 1999-10-27 | Matsushita Electric Industrial Co., Ltd. | Dispositif de traitement d'un signal de parole pour la détection d'un signal de parole dans un signal de parole contenant du bruit |
| KR950013551B1 (ko) * | 1990-05-28 | 1995-11-08 | 마쯔시다덴기산교 가부시기가이샤 | 잡음신호예측장치 |
| JP3033061B2 (ja) * | 1990-05-28 | 2000-04-17 | 松下電器産業株式会社 | 音声雑音分離装置 |
| US6937674B2 (en) | 2000-12-14 | 2005-08-30 | Pulse-Link, Inc. | Mapping radio-frequency noise in an ultra-wideband communication system |
| US9536523B2 (en) | 2011-06-22 | 2017-01-03 | Vocalzoom Systems Ltd. | Method and system for identification of speech segments |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4052568A (en) * | 1976-04-23 | 1977-10-04 | Communications Satellite Corporation | Digital voice switch |
| GB1569450A (en) * | 1976-05-27 | 1980-06-18 | Nippon Electric Co | Speech recognition system |
| JPS58130393A (ja) * | 1982-01-29 | 1983-08-03 | 株式会社東芝 | 音声認識装置 |
| GB2137791B (en) * | 1982-11-19 | 1986-02-26 | Secr Defence | Noise compensating spectral distance processor |
-
1986
- 1986-12-29 EP EP19870900768 patent/EP0255529A4/fr not_active Withdrawn
- 1986-12-29 JP JP87500806A patent/JPS63502304A/ja active Pending
- 1986-12-29 WO PCT/US1986/002826 patent/WO1987004294A1/fr not_active Application Discontinuation
- 1986-12-30 CA CA000526489A patent/CA1301338C/fr not_active Expired - Lifetime
-
1987
- 1987-08-18 FI FI873567A patent/FI873567A/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0255529A1 (fr) | 1988-02-10 |
| FI873567A0 (fi) | 1987-08-18 |
| FI873567A (fi) | 1987-08-18 |
| JPS63502304A (ja) | 1988-09-01 |
| WO1987004294A1 (fr) | 1987-07-16 |
| EP0255529A4 (fr) | 1988-06-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4918732A (en) | Frame comparison method for word recognition in high noise environments | |
| US5131043A (en) | Method of and apparatus for speech recognition wherein decisions are made based on phonemes | |
| CA2366892C (fr) | Methode et dispositif pour reconnaissance du locuteur au moyen d'une transformee liee au locuteur | |
| AU2001273410A1 (en) | Method and apparatus for constructing voice templates for a speaker-independent voice recognition system | |
| US4516215A (en) | Recognition of speech or speech-like sounds | |
| JP3451146B2 (ja) | スペクトルサブトラクションを用いた雑音除去システムおよび方法 | |
| JP3298858B2 (ja) | 低複雑性スピーチ認識器の区分ベースの類似性方法 | |
| CA1301338C (fr) | Methode de comparaison de blocs pour la reconnaissance vocale dans les environnements a niveau de bruit eleve | |
| JPH04182700A (ja) | 音声認識装置 | |
| GB2137791A (en) | Noise Compensating Spectral Distance Processor | |
| US5023911A (en) | Word spotting in a speech recognition system without predetermined endpoint detection | |
| Padrell et al. | Robust speech activity detection using LDA applied to FF parameters | |
| JPH0449952B2 (fr) | ||
| Sriskandaraja et al. | A model based voice activity detector for noisy environments. | |
| JPS6147437B2 (fr) | ||
| GB2216320A (en) | Selective addition of noise to templates employed in automatic speech recognition systems | |
| Ahmad et al. | An isolated speech endpoint detector using multiple speech features | |
| Demuynck et al. | Feature versus model based noise robustness. | |
| JPH034918B2 (fr) | ||
| JPH071438B2 (ja) | 音声中の複数話者の発話区間自動検出同定装置 | |
| CA2013263C (fr) | Methode de rejet pour la reconnaissance des paroles | |
| JPS6129897A (ja) | パタ−ン比較装置 | |
| JPH05210396A (ja) | 音声認識装置 | |
| Eng et al. | A 3-Level Endpoint Detection Algorithm for Isolated Speech Using Time and Frequency-based Features | |
| EP0551374A1 (fr) | Assouplissement des limites pour la reconnaissance des structures de la parole |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |