IN2014MN02011A - - Google Patents
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- Publication number
- IN2014MN02011A IN2014MN02011A IN2011MUN2014A IN2014MN02011A IN 2014MN02011 A IN2014MN02011 A IN 2014MN02011A IN 2011MUN2014 A IN2011MUN2014 A IN 2011MUN2014A IN 2014MN02011 A IN2014MN02011 A IN 2014MN02011A
- Authority
- IN
- India
- Prior art keywords
- difference signal
- envelope
- harmonicity
- harmonics
- includes determining
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 abstract 1
Classifications
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- 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
-
- 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
- G10L15/20—Speech recognition techniques specially adapted for robustness in adverse environments, e.g. in noise, of stress induced speech
-
- 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
- G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
-
- 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
- G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
- G10L2021/02165—Two microphones, one receiving mainly the noise signal and the other one mainly the speech signal
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Telephone Function (AREA)
- Circuits Of Receivers In General (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261637175P | 2012-04-23 | 2012-04-23 | |
| US201261658843P | 2012-06-12 | 2012-06-12 | |
| US201261726458P | 2012-11-14 | 2012-11-14 | |
| US201261738976P | 2012-12-18 | 2012-12-18 | |
| US13/827,894 US9305567B2 (en) | 2012-04-23 | 2013-03-14 | Systems and methods for audio signal processing |
| PCT/US2013/037117 WO2013162995A2 (en) | 2012-04-23 | 2013-04-18 | Systems and methods for audio signal processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN2014MN02011A true IN2014MN02011A (pt) | 2015-08-07 |
Family
ID=49380926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN2011MUN2014 IN2014MN02011A (pt) | 2012-04-23 | 2013-04-18 |
Country Status (5)
| Country | Link |
|---|---|
| US (3) | US20130282372A1 (pt) |
| KR (1) | KR20150005979A (pt) |
| CN (1) | CN104246877B (pt) |
| IN (1) | IN2014MN02011A (pt) |
| WO (3) | WO2013162995A2 (pt) |
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-
2013
- 2013-03-14 US US13/828,158 patent/US20130282372A1/en not_active Abandoned
- 2013-03-14 US US13/827,894 patent/US9305567B2/en not_active Expired - Fee Related
- 2013-03-14 US US13/828,415 patent/US20130282373A1/en not_active Abandoned
- 2013-04-18 KR KR1020147032347A patent/KR20150005979A/ko active IP Right Grant
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- 2013-04-18 IN IN2011MUN2014 patent/IN2014MN02011A/en unknown
- 2013-04-18 CN CN201380021438.1A patent/CN104246877B/zh not_active Expired - Fee Related
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- 2013-04-18 WO PCT/US2013/037109 patent/WO2013162994A2/en active Application Filing
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|---|---|
| KR20150005979A (ko) | 2015-01-15 |
| US9305567B2 (en) | 2016-04-05 |
| WO2013162993A1 (en) | 2013-10-31 |
| WO2013162995A3 (en) | 2014-04-10 |
| US20130282369A1 (en) | 2013-10-24 |
| WO2013162995A2 (en) | 2013-10-31 |
| CN104246877B (zh) | 2017-05-10 |
| US20130282373A1 (en) | 2013-10-24 |
| US20130282372A1 (en) | 2013-10-24 |
| WO2013162994A3 (en) | 2014-04-03 |
| WO2013162994A2 (en) | 2013-10-31 |
| CN104246877A (zh) | 2014-12-24 |
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