CA1301338C - Frame comparison method for word recognition in high noise environments - Google Patents
Frame comparison method for word recognition in high noise environmentsInfo
- 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 (en) | 1992-05-19 |
Family
ID=25221081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000526489A Expired - Lifetime CA1301338C (en) | 1986-01-06 | 1986-12-30 | Frame comparison method for word recognition in high noise environments |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0255529A4 (fi) |
| JP (1) | JPS63502304A (fi) |
| CA (1) | CA1301338C (fi) |
| FI (1) | FI873567A0 (fi) |
| WO (1) | WO1987004294A1 (fi) |
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 |
| KR960005741B1 (ko) * | 1990-05-28 | 1996-05-01 | 마쯔시다덴기산교 가부시기가이샤 | 음성신호부호화장치 |
| EP0459362B1 (en) * | 1990-05-28 | 1997-01-08 | Matsushita Electric Industrial Co., Ltd. | Voice signal processor |
| 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 |
| DE69121312T2 (de) * | 1990-05-28 | 1997-01-02 | Matsushita Electric Ind Co Ltd | Geräuschsignalvorhersagevorrichtung |
| KR950013552B1 (ko) * | 1990-05-28 | 1995-11-08 | 마쯔시다덴기산교 가부시기가이샤 | 음성신호처리장치 |
| 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 WO PCT/US1986/002826 patent/WO1987004294A1/en not_active Application Discontinuation
- 1986-12-29 EP EP19870900768 patent/EP0255529A4/en not_active Withdrawn
- 1986-12-29 JP JP87500806A patent/JPS63502304A/ja active Pending
- 1986-12-30 CA CA000526489A patent/CA1301338C/en not_active Expired - Lifetime
-
1987
- 1987-08-18 FI FI873567A patent/FI873567A0/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63502304A (ja) | 1988-09-01 |
| EP0255529A1 (en) | 1988-02-10 |
| FI873567A (fi) | 1987-08-18 |
| FI873567A0 (fi) | 1987-08-18 |
| WO1987004294A1 (en) | 1987-07-16 |
| EP0255529A4 (en) | 1988-06-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |