FI115569B - Äänisignaalin käsittelylaite - Google Patents
Äänisignaalin käsittelylaite Download PDFInfo
- Publication number
- FI115569B FI115569B FI910293A FI910293A FI115569B FI 115569 B FI115569 B FI 115569B FI 910293 A FI910293 A FI 910293A FI 910293 A FI910293 A FI 910293A FI 115569 B FI115569 B FI 115569B
- Authority
- FI
- Finland
- Prior art keywords
- signal
- peak
- section
- analysis period
- analysis
- Prior art date
Links
- 238000012545 processing Methods 0.000 title description 71
- 230000015654 memory Effects 0.000 claims description 93
- 238000001514 detection method Methods 0.000 claims description 91
- 238000000034 method Methods 0.000 claims description 4
- 235000015141 kefir Nutrition 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 description 247
- 230000005236 sound signal Effects 0.000 description 42
- 238000010586 diagram Methods 0.000 description 22
- 230000000737 periodic effect Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 8
- 230000009089 cytolysis Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 5
- 230000007257 malfunction Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000036962 time dependent Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000030808 detection of mechanical stimulus involved in sensory perception of sound Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 206010002953 Aphonia Diseases 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 241000287828 Gallus gallus Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013479 data entry Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 101150064967 pef-1 gene Proteins 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000007704 transition 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
- G10L2025/783—Detection of presence or absence of voice signals based on threshold decision
- G10L2025/786—Adaptive threshold
-
- 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
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
-
- 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
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/24—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being the cepstrum
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Electrophonic Musical Instruments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Selective Calling Equipment (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP859590 | 1990-01-18 | ||
| JP2008592A JP2712691B2 (ja) | 1990-01-18 | 1990-01-18 | 信号処理装置 |
| JP2008595A JP2712692B2 (ja) | 1990-01-18 | 1990-01-18 | 信号制御装置 |
| JP859290 | 1990-01-18 | ||
| JP1734890 | 1990-01-26 | ||
| JP2017348A JPH03220600A (ja) | 1990-01-26 | 1990-01-26 | 音声検出装置 |
| JP2650790 | 1990-02-06 | ||
| JP2026507A JP2712704B2 (ja) | 1990-02-06 | 1990-02-06 | 信号処理装置 |
| JP2026506A JP2712703B2 (ja) | 1990-02-06 | 1990-02-06 | 信号処理装置 |
| JP2650690 | 1990-02-06 | ||
| JP3429790 | 1990-02-14 | ||
| JP2034297A JP2712708B2 (ja) | 1990-02-14 | 1990-02-14 | 音声検出装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI910293A0 FI910293A0 (fi) | 1991-01-18 |
| FI910293A FI910293A (fi) | 1991-07-19 |
| FI115569B true FI115569B (fi) | 2005-05-31 |
Family
ID=27548141
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI910293A FI115569B (fi) | 1990-01-18 | 1991-01-18 | Äänisignaalin käsittelylaite |
| FI20030089A FI116595B (fi) | 1990-01-18 | 2003-01-21 | Äänisignaalin käsittelylaite |
| FI20030088A FI116594B (fi) | 1990-01-18 | 2003-01-21 | Äänisignaalin käsittelylaite |
| FI20030087A FI117953B (fi) | 1990-01-18 | 2003-01-21 | Äänisignaalin käsittelylaite |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20030089A FI116595B (fi) | 1990-01-18 | 2003-01-21 | Äänisignaalin käsittelylaite |
| FI20030088A FI116594B (fi) | 1990-01-18 | 2003-01-21 | Äänisignaalin käsittelylaite |
| FI20030087A FI117953B (fi) | 1990-01-18 | 2003-01-21 | Äänisignaalin käsittelylaite |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5195138A (fr) |
| EP (4) | EP0614171B1 (fr) |
| KR (1) | KR960005739B1 (fr) |
| AU (1) | AU644124B2 (fr) |
| CA (1) | CA2034333C (fr) |
| DE (4) | DE69132148T2 (fr) |
| FI (4) | FI115569B (fr) |
| HK (4) | HK184795A (fr) |
| NO (4) | NO306489B1 (fr) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5414674A (en) * | 1993-11-12 | 1995-05-09 | Discovery Bay Company | Resonant energy analysis method and apparatus for seismic data |
| US5502717A (en) * | 1994-08-01 | 1996-03-26 | Motorola Inc. | Method and apparatus for estimating echo cancellation time |
| JP4307557B2 (ja) | 1996-07-03 | 2009-08-05 | ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー | 音声活性度検出器 |
| US6314396B1 (en) | 1998-11-06 | 2001-11-06 | International Business Machines Corporation | Automatic gain control in a speech recognition system |
| JP3878482B2 (ja) * | 1999-11-24 | 2007-02-07 | 富士通株式会社 | 音声検出装置および音声検出方法 |
| US6876965B2 (en) | 2001-02-28 | 2005-04-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Reduced complexity voice activity detector |
| US7426470B2 (en) * | 2002-10-03 | 2008-09-16 | Ntt Docomo, Inc. | Energy-based nonuniform time-scale modification of audio signals |
| WO2006005337A1 (fr) * | 2004-06-11 | 2006-01-19 | Nanonord A/S | Procede d'analyse de frequences fondamentale et application de ce procede |
| US8264909B2 (en) * | 2010-02-02 | 2012-09-11 | The United States Of America As Represented By The Secretary Of The Navy | System and method for depth determination of an impulse acoustic source by cepstral analysis |
| CN105144133B (zh) * | 2013-03-15 | 2020-11-20 | 苹果公司 | 对中断进行上下文相关处理 |
| CN104967793B (zh) * | 2015-07-28 | 2023-09-19 | 格科微电子（上海）有限公司 | 适用于cmos图像传感器的电源噪声抵消电路 |
| CN111883183B (zh) * | 2020-03-16 | 2023-09-12 | 珠海市杰理科技股份有限公司 | 语音信号筛选方法、装置、音频设备和系统 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1116300A (fr) * | 1977-12-28 | 1982-01-12 | Hiroaki Sakoe | Systeme d'identification/comparaison de l'expression orale |
| WO1988007739A1 (fr) * | 1987-04-03 | 1988-10-06 | American Telephone & Telegraph Company | Detecteur de signal vocal voise utilisant des valeurs seuil adaptatives |
-
1991
- 1991-01-03 US US07/637,203 patent/US5195138A/en not_active Expired - Lifetime
- 1991-01-07 AU AU68688/91A patent/AU644124B2/en not_active Ceased
- 1991-01-17 CA CA002034333A patent/CA2034333C/fr not_active Expired - Fee Related
- 1991-01-18 DE DE69132148T patent/DE69132148T2/de not_active Expired - Fee Related
- 1991-01-18 DE DE69112855T patent/DE69112855T2/de not_active Expired - Fee Related
- 1991-01-18 EP EP94107071A patent/EP0614171B1/fr not_active Expired - Lifetime
- 1991-01-18 DE DE69132147T patent/DE69132147T2/de not_active Expired - Fee Related
- 1991-01-18 NO NO910221A patent/NO306489B1/no unknown
- 1991-01-18 FI FI910293A patent/FI115569B/fi active IP Right Grant
- 1991-01-18 DE DE69130294T patent/DE69130294T2/de not_active Expired - Fee Related
- 1991-01-18 EP EP94107069A patent/EP0614169B1/fr not_active Expired - Lifetime
- 1991-01-18 EP EP94107070A patent/EP0614170B1/fr not_active Expired - Lifetime
- 1991-01-18 EP EP91100598A patent/EP0439073B1/fr not_active Expired - Lifetime
- 1991-01-18 KR KR1019910000760A patent/KR960005739B1/ko not_active IP Right Cessation
-
1995
- 1995-12-07 HK HK184795A patent/HK184795A/xx not_active IP Right Cessation
-
1998
- 1998-09-10 HK HK98110576A patent/HK1010007A1/xx not_active IP Right Cessation
- 1998-09-10 HK HK98110575A patent/HK1010006A1/xx not_active IP Right Cessation
- 1998-09-10 HK HK98110577A patent/HK1010008A1/xx not_active IP Right Cessation
-
1999
- 1999-05-10 NO NO992258A patent/NO308336B1/no unknown
- 1999-05-10 NO NO992256A patent/NO308335B1/no unknown
- 1999-05-10 NO NO992257A patent/NO308337B1/no unknown
-
2003
- 2003-01-21 FI FI20030089A patent/FI116595B/fi active IP Right Grant
- 2003-01-21 FI FI20030088A patent/FI116594B/fi active IP Right Grant
- 2003-01-21 FI FI20030087A patent/FI117953B/fi active IP Right Grant
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Patent granted |
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