AU2001269947A1 - Noise reduction method and apparatus - Google Patents
Noise reduction method and apparatusInfo
- Publication number
- AU2001269947A1 AU2001269947A1 AU2001269947A AU6994701A AU2001269947A1 AU 2001269947 A1 AU2001269947 A1 AU 2001269947A1 AU 2001269947 A AU2001269947 A AU 2001269947A AU 6994701 A AU6994701 A AU 6994701A AU 2001269947 A1 AU2001269947 A1 AU 2001269947A1
- Authority
- AU
- Australia
- Prior art keywords
- noise reduction
- reduction method
- noise
- reduction
- 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.)
- Abandoned
Links
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
- 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
- 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
- G10L21/0232—Processing in the frequency domain
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/596,700 US6931292B1 (en) | 2000-06-19 | 2000-06-19 | Noise reduction method and apparatus |
US09596700 | 2000-06-19 | ||
PCT/US2001/019672 WO2001099390A2 (en) | 2000-06-19 | 2001-06-19 | Noise reduction method and apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2001269947A1 true AU2001269947A1 (en) | 2002-01-02 |
Family
ID=24388330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2001269947A Abandoned AU2001269947A1 (en) | 2000-06-19 | 2001-06-19 | Noise reduction method and apparatus |
Country Status (5)
Country | Link |
---|---|
US (1) | US6931292B1 (en) |
EP (1) | EP1293054A2 (en) |
AU (1) | AU2001269947A1 (en) |
CA (1) | CA2413867A1 (en) |
WO (1) | WO2001099390A2 (en) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8301503B2 (en) * | 2001-07-17 | 2012-10-30 | Incucomm, Inc. | System and method for providing requested information to thin clients |
GB0327041D0 (en) * | 2003-11-21 | 2003-12-24 | Roke Manor Research | Apparatus and methods |
DE102004047717B4 (en) * | 2004-09-30 | 2008-07-10 | Infineon Technologies Ag | Method and circuit arrangement for reducing RFI interference |
WO2007047336A2 (en) * | 2005-10-12 | 2007-04-26 | University Of Virginia Patent Foundation | Integrated microfluidic analysis systems |
US20070100611A1 (en) * | 2005-10-27 | 2007-05-03 | Intel Corporation | Speech codec apparatus with spike reduction |
US8630378B2 (en) * | 2005-12-06 | 2014-01-14 | Qualcomm Incorporated | Interference cancellation with improved estimation and tracking for wireless communication |
US20070143307A1 (en) * | 2005-12-15 | 2007-06-21 | Bowers Matthew N | Communication system employing a context engine |
JP4965891B2 (en) | 2006-04-25 | 2012-07-04 | キヤノン株式会社 | Signal processing apparatus and method |
ATE520120T1 (en) * | 2006-06-29 | 2011-08-15 | Nxp Bv | SOUND FRAME LENGTH ADJUSTMENT |
JP4827661B2 (en) * | 2006-08-30 | 2011-11-30 | 富士通株式会社 | Signal processing method and apparatus |
US7873095B1 (en) * | 2006-09-27 | 2011-01-18 | Rockwell Collins, Inc. | Coordinated frequency hop jamming and GPS anti-jam receiver |
US9343079B2 (en) * | 2007-06-15 | 2016-05-17 | Alon Konchitsky | Receiver intelligibility enhancement system |
KR101616873B1 (en) * | 2008-12-23 | 2016-05-02 | 삼성전자주식회사 | apparatus and method for estimating power requirement of digital amplifier |
US20120039395A1 (en) * | 2009-03-24 | 2012-02-16 | Brainlike, Inc. | System and method for time series filtering and data reduction |
US20130135617A1 (en) * | 2011-11-30 | 2013-05-30 | General Electric Company | Plasmonic optical transducer |
US9837094B2 (en) * | 2015-08-18 | 2017-12-05 | Qualcomm Incorporated | Signal re-use during bandwidth transition period |
US9401158B1 (en) | 2015-09-14 | 2016-07-26 | Knowles Electronics, Llc | Microphone signal fusion |
US10373608B2 (en) * | 2015-10-22 | 2019-08-06 | Texas Instruments Incorporated | Time-based frequency tuning of analog-to-information feature extraction |
EP3171614B1 (en) * | 2015-11-23 | 2020-11-04 | Goodix Technology (HK) Company Limited | A controller for an audio system |
US9779716B2 (en) | 2015-12-30 | 2017-10-03 | Knowles Electronics, Llc | Occlusion reduction and active noise reduction based on seal quality |
US9830930B2 (en) | 2015-12-30 | 2017-11-28 | Knowles Electronics, Llc | Voice-enhanced awareness mode |
US9812149B2 (en) | 2016-01-28 | 2017-11-07 | Knowles Electronics, Llc | Methods and systems for providing consistency in noise reduction during speech and non-speech periods |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4061875A (en) | 1977-02-22 | 1977-12-06 | Stephen Freifeld | Audio processor for use in high noise environments |
US4489435A (en) * | 1981-10-05 | 1984-12-18 | Exxon Corporation | Method and apparatus for continuous word string recognition |
US4630302A (en) | 1985-08-02 | 1986-12-16 | Acousis Company | Hearing aid method and apparatus |
US4811404A (en) | 1987-10-01 | 1989-03-07 | Motorola, Inc. | Noise suppression system |
GB8801014D0 (en) | 1988-01-18 | 1988-02-17 | British Telecomm | Noise reduction |
EP0378609B1 (en) * | 1988-05-26 | 1994-09-07 | Thomson Consumer Electronics Sales GmbH | Process for transmitting an audio signal |
US4985925A (en) | 1988-06-24 | 1991-01-15 | Sensor Electronics, Inc. | Active noise reduction system |
US5036540A (en) | 1989-09-28 | 1991-07-30 | Motorola, Inc. | Speech operated noise attenuation device |
US5402496A (en) | 1992-07-13 | 1995-03-28 | Minnesota Mining And Manufacturing Company | Auditory prosthesis, noise suppression apparatus and feedback suppression apparatus having focused adaptive filtering |
CA2106440C (en) | 1992-11-30 | 1997-11-18 | Jelena Kovacevic | Method and apparatus for reducing correlated errors in subband coding systems with quantizers |
GB9405211D0 (en) | 1994-03-17 | 1994-04-27 | Deas Alexander R | Noise cancellation apparatus |
US5500902A (en) | 1994-07-08 | 1996-03-19 | Stockham, Jr.; Thomas G. | Hearing aid device incorporating signal processing techniques |
US5640490A (en) | 1994-11-14 | 1997-06-17 | Fonix Corporation | User independent, real-time speech recognition system and method |
US5749064A (en) * | 1996-03-01 | 1998-05-05 | Texas Instruments Incorporated | Method and system for time scale modification utilizing feature vectors about zero crossing points |
US5724416A (en) * | 1996-06-28 | 1998-03-03 | At&T Corp | Normalization of calling party sound levels on a conference bridge |
US5970441A (en) | 1997-08-25 | 1999-10-19 | Telefonaktiebolaget Lm Ericsson | Detection of periodicity information from an audio signal |
US6363345B1 (en) * | 1999-02-18 | 2002-03-26 | Andrea Electronics Corporation | System, method and apparatus for cancelling noise |
-
2000
- 2000-06-19 US US09/596,700 patent/US6931292B1/en not_active Expired - Lifetime
-
2001
- 2001-06-19 WO PCT/US2001/019672 patent/WO2001099390A2/en active Application Filing
- 2001-06-19 EP EP01948511A patent/EP1293054A2/en not_active Withdrawn
- 2001-06-19 CA CA002413867A patent/CA2413867A1/en not_active Abandoned
- 2001-06-19 AU AU2001269947A patent/AU2001269947A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2001099390A3 (en) | 2002-03-28 |
CA2413867A1 (en) | 2001-12-27 |
EP1293054A2 (en) | 2003-03-19 |
US6931292B1 (en) | 2005-08-16 |
WO2001099390A2 (en) | 2001-12-27 |
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