NO306360B1 - Anordning og fremgangsmÕte for talesignal-behandling - Google Patents
Anordning og fremgangsmÕte for talesignal-behandling Download PDFInfo
- Publication number
- NO306360B1 NO306360B1 NO910535A NO910535A NO306360B1 NO 306360 B1 NO306360 B1 NO 306360B1 NO 910535 A NO910535 A NO 910535A NO 910535 A NO910535 A NO 910535A NO 306360 B1 NO306360 B1 NO 306360B1
- Authority
- NO
- Norway
- Prior art keywords
- cepstrum
- vowel
- consonant
- mean value
- signal
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 8
- 238000001514 detection method Methods 0.000 claims description 55
- 238000004458 analytical method Methods 0.000 claims description 33
- 238000004364 calculation method Methods 0.000 claims description 26
- 238000001228 spectrum Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 10
- 230000009466 transformation Effects 0.000 description 4
- 230000001131 transforming effect Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000000056 organ Anatomy 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
- G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Noise Elimination (AREA)
- Circuit For Audible Band Transducer (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Electrophonic Musical Instruments (AREA)
- Communication Control (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Selective Calling Equipment (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2033211A JP2959792B2 (ja) | 1990-02-13 | 1990-02-13 | 音声信号処理装置 |
| JP3321090A JP2959791B2 (ja) | 1990-02-13 | 1990-02-13 | 音声信号処理装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO910535D0 NO910535D0 (no) | 1991-02-11 |
| NO910535L NO910535L (no) | 1991-08-14 |
| NO306360B1 true NO306360B1 (no) | 1999-10-25 |
Family
ID=26371868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO910535A NO306360B1 (no) | 1990-02-13 | 1991-02-11 | Anordning og fremgangsmÕte for talesignal-behandling |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5204906A (fi) |
| EP (1) | EP0442342B1 (fi) |
| KR (1) | KR960005740B1 (fi) |
| AU (1) | AU635600B2 (fi) |
| CA (1) | CA2036199C (fi) |
| DE (1) | DE69105154T2 (fi) |
| FI (1) | FI103930B1 (fi) |
| HK (1) | HK185195A (fi) |
| NO (1) | NO306360B1 (fi) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07104788A (ja) * | 1993-10-06 | 1995-04-21 | Technol Res Assoc Of Medical & Welfare Apparatus | 音声強調処理装置 |
| JP3397568B2 (ja) * | 1996-03-25 | 2003-04-14 | キヤノン株式会社 | 音声認識方法及び装置 |
| WO1997037345A1 (en) * | 1996-03-29 | 1997-10-09 | British Telecommunications Public Limited Company | Speech processing |
| US6453288B1 (en) | 1996-11-07 | 2002-09-17 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for producing component of excitation vector |
| JPH10247869A (ja) * | 1997-03-04 | 1998-09-14 | Nec Corp | ダイバーシティ回路 |
| DE19854341A1 (de) | 1998-11-25 | 2000-06-08 | Alcatel Sa | Verfahren und Schaltungsanordnung zur Sprachpegelmessung in einem Sprachsignalverarbeitungssystem |
| WO2001047335A2 (de) * | 2001-04-11 | 2001-07-05 | Phonak Ag | Verfahren zur elimination von störsignalanteilen in einem eingangssignal eines auditorischen systems, anwendung des verfahrens und ein hörgerät |
| US20040102965A1 (en) * | 2002-11-21 | 2004-05-27 | Rapoport Ezra J. | Determining a pitch period |
| US9838784B2 (en) | 2009-12-02 | 2017-12-05 | Knowles Electronics, Llc | Directional audio capture |
| US8880396B1 (en) * | 2010-04-28 | 2014-11-04 | Audience, Inc. | Spectrum reconstruction for automatic speech recognition |
| DE102011006515A1 (de) | 2011-03-31 | 2012-10-04 | Siemens Medical Instruments Pte. Ltd. | Verfahren zur Verbesserung der Sprachverständlichkeit mit einem Hörhilfegerät sowie Hörhilfegerät |
| DE102011006472B4 (de) | 2011-03-31 | 2013-08-14 | Siemens Medical Instruments Pte. Ltd. | Verfahren zur Verbesserung der Sprachverständlichkeit mit einem Hörhilfegerät sowie Hörhilfegerät |
| DE102011006511B4 (de) | 2011-03-31 | 2016-07-14 | Sivantos Pte. Ltd. | Hörhilfegerät sowie Verfahren zum Betrieb eines Hörhilfegeräts |
| KR101247652B1 (ko) * | 2011-08-30 | 2013-04-01 | 광주과학기술원 | 잡음 제거 장치 및 방법 |
| US9536540B2 (en) | 2013-07-19 | 2017-01-03 | Knowles Electronics, Llc | Speech signal separation and synthesis based on auditory scene analysis and speech modeling |
| JP2015169827A (ja) * | 2014-03-07 | 2015-09-28 | 富士通株式会社 | 音声処理装置、音声処理方法および音声処理プログラム |
| DE112015004185T5 (de) | 2014-09-12 | 2017-06-01 | Knowles Electronics, Llc | Systeme und Verfahren zur Wiederherstellung von Sprachkomponenten |
| US9820042B1 (en) | 2016-05-02 | 2017-11-14 | Knowles Electronics, Llc | Stereo separation and directional suppression with omni-directional microphones |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3566035A (en) * | 1969-07-17 | 1971-02-23 | Bell Telephone Labor Inc | Real time cepstrum analyzer |
| US4058676A (en) * | 1975-07-07 | 1977-11-15 | International Communication Sciences | Speech analysis and synthesis system |
| US4630305A (en) * | 1985-07-01 | 1986-12-16 | Motorola, Inc. | Automatic gain selector for a noise suppression system |
| EP0309561B1 (en) * | 1987-04-03 | 1992-12-09 | AT&T Corp. | An adaptive threshold voiced detector |
-
1991
- 1991-01-03 US US07/637,271 patent/US5204906A/en not_active Expired - Lifetime
- 1991-01-11 AU AU69278/91A patent/AU635600B2/en not_active Ceased
- 1991-02-04 EP EP91101452A patent/EP0442342B1/en not_active Expired - Lifetime
- 1991-02-04 DE DE69105154T patent/DE69105154T2/de not_active Expired - Fee Related
- 1991-02-11 NO NO910535A patent/NO306360B1/no unknown
- 1991-02-12 FI FI910679A patent/FI103930B1/fi not_active IP Right Cessation
- 1991-02-12 CA CA002036199A patent/CA2036199C/en not_active Expired - Fee Related
- 1991-02-13 KR KR1019910002431A patent/KR960005740B1/ko not_active IP Right Cessation
-
1995
- 1995-12-07 HK HK185195A patent/HK185195A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0442342A1 (en) | 1991-08-21 |
| AU6927891A (en) | 1991-08-15 |
| HK185195A (en) | 1995-12-15 |
| CA2036199C (en) | 1997-09-30 |
| KR910015962A (ko) | 1991-09-30 |
| DE69105154T2 (de) | 1995-03-23 |
| FI103930B (fi) | 1999-10-15 |
| DE69105154D1 (de) | 1994-12-22 |
| KR960005740B1 (ko) | 1996-05-01 |
| AU635600B2 (en) | 1993-03-25 |
| NO910535L (no) | 1991-08-14 |
| US5204906A (en) | 1993-04-20 |
| CA2036199A1 (en) | 1991-08-14 |
| FI910679A0 (fi) | 1991-02-12 |
| FI103930B1 (fi) | 1999-10-15 |
| NO910535D0 (no) | 1991-02-11 |
| FI910679A (fi) | 1991-08-14 |
| EP0442342B1 (en) | 1994-11-17 |
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