BRPI0812756A2 - Sistema de redução intelegiente de gradiente de ruído - Google Patents
Sistema de redução intelegiente de gradiente de ruídoInfo
- Publication number
- BRPI0812756A2 BRPI0812756A2 BRPI0812756-5A2A BRPI0812756A BRPI0812756A2 BR PI0812756 A2 BRPI0812756 A2 BR PI0812756A2 BR PI0812756 A BRPI0812756 A BR PI0812756A BR PI0812756 A2 BRPI0812756 A2 BR PI0812756A2
- Authority
- BR
- Brazil
- Prior art keywords
- reduction system
- gradient reduction
- intelligent noise
- noise gradient
- intelligent
- Prior art date
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
- 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
- G10L25/84—Detection of presence or absence of voice signals for discriminating voice from noise
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Telephone Function (AREA)
- Circuit For Audible Band Transducer (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/772,670 US20090010453A1 (en) | 2007-07-02 | 2007-07-02 | Intelligent gradient noise reduction system |
PCT/US2008/068516 WO2009006270A1 (en) | 2007-07-02 | 2008-06-27 | Intelligent gradient noise reduction system |
Publications (2)
Publication Number | Publication Date |
---|---|
BRPI0812756A2 true BRPI0812756A2 (pt) | 2014-12-23 |
BRPI0812756A8 BRPI0812756A8 (pt) | 2015-12-01 |
Family
ID=39769318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0812756A BRPI0812756A8 (pt) | 2007-07-02 | 2008-06-27 | Sistema de redução intelegiente de gradiente de ruído |
Country Status (7)
Country | Link |
---|---|
US (1) | US20090010453A1 (pt) |
EP (1) | EP2174317A1 (pt) |
KR (1) | KR20100037062A (pt) |
CN (1) | CN101689373A (pt) |
BR (1) | BRPI0812756A8 (pt) |
RU (1) | RU2461081C2 (pt) |
WO (1) | WO2009006270A1 (pt) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090150144A1 (en) * | 2007-12-10 | 2009-06-11 | Qnx Software Systems (Wavemakers), Inc. | Robust voice detector for receive-side automatic gain control |
US8229126B2 (en) * | 2009-03-13 | 2012-07-24 | Harris Corporation | Noise error amplitude reduction |
US8989399B2 (en) * | 2009-04-14 | 2015-03-24 | Lloyd Baggs Innovations, Llc | Reflection cancelling boundary microphones and amplification systems incorporating reflection cancelling boundary microphones |
GB0919673D0 (en) * | 2009-11-10 | 2009-12-23 | Skype Ltd | Gain control for an audio signal |
GB0919672D0 (en) * | 2009-11-10 | 2009-12-23 | Skype Ltd | Noise suppression |
CN102771162A (zh) * | 2009-12-01 | 2012-11-07 | 诺基亚公司 | 提供用于有效扫描和会话建立的架构的方法和装置 |
TWI459828B (zh) * | 2010-03-08 | 2014-11-01 | Dolby Lab Licensing Corp | 在多頻道音訊中決定語音相關頻道的音量降低比例的方法及系統 |
US8447595B2 (en) * | 2010-06-03 | 2013-05-21 | Apple Inc. | Echo-related decisions on automatic gain control of uplink speech signal in a communications device |
US8300845B2 (en) | 2010-06-23 | 2012-10-30 | Motorola Mobility Llc | Electronic apparatus having microphones with controllable front-side gain and rear-side gain |
US8638951B2 (en) | 2010-07-15 | 2014-01-28 | Motorola Mobility Llc | Electronic apparatus for generating modified wideband audio signals based on two or more wideband microphone signals |
US8433076B2 (en) | 2010-07-26 | 2013-04-30 | Motorola Mobility Llc | Electronic apparatus for generating beamformed audio signals with steerable nulls |
US8983833B2 (en) * | 2011-01-24 | 2015-03-17 | Continental Automotive Systems, Inc. | Method and apparatus for masking wind noise |
GB2491173A (en) * | 2011-05-26 | 2012-11-28 | Skype | Setting gain applied to an audio signal based on direction of arrival (DOA) information |
GB2493327B (en) | 2011-07-05 | 2018-06-06 | Skype | Processing audio signals |
US8743157B2 (en) | 2011-07-14 | 2014-06-03 | Motorola Mobility Llc | Audio/visual electronic device having an integrated visual angular limitation device |
US9537460B2 (en) * | 2011-07-22 | 2017-01-03 | Continental Automotive Systems, Inc. | Apparatus and method for automatic gain control |
GB2495278A (en) | 2011-09-30 | 2013-04-10 | Skype | Processing received signals from a range of receiving angles to reduce interference |
GB2495128B (en) | 2011-09-30 | 2018-04-04 | Skype | Processing signals |
GB2495131A (en) | 2011-09-30 | 2013-04-03 | Skype | A mobile device includes a received-signal beamformer that adapts to motion of the mobile device |
GB2495129B (en) | 2011-09-30 | 2017-07-19 | Skype | Processing signals |
GB2495472B (en) | 2011-09-30 | 2019-07-03 | Skype | Processing audio signals |
GB2495130B (en) | 2011-09-30 | 2018-10-24 | Skype | Processing audio signals |
GB2496660B (en) | 2011-11-18 | 2014-06-04 | Skype | Processing audio signals |
GB201120392D0 (en) | 2011-11-25 | 2012-01-11 | Skype Ltd | Processing signals |
GB2497343B (en) | 2011-12-08 | 2014-11-26 | Skype | Processing audio signals |
US9648421B2 (en) | 2011-12-14 | 2017-05-09 | Harris Corporation | Systems and methods for matching gain levels of transducers |
CN103325385B (zh) * | 2012-03-23 | 2018-01-26 | 杜比实验室特许公司 | 语音通信方法和设备、操作抖动缓冲器的方法和设备 |
US20130329908A1 (en) * | 2012-06-08 | 2013-12-12 | Apple Inc. | Adjusting audio beamforming settings based on system state |
US20140278389A1 (en) * | 2013-03-12 | 2014-09-18 | Motorola Mobility Llc | Method and Apparatus for Adjusting Trigger Parameters for Voice Recognition Processing Based on Noise Characteristics |
US9438994B2 (en) | 2013-01-23 | 2016-09-06 | Lloyd Baggs Innovations, Llc | Instrument amplification systems incorporating reflection cancelling boundary microphones and multiband compression |
WO2014121402A1 (en) * | 2013-02-07 | 2014-08-14 | Sunnybrook Research Institute | Systems, devices and methods for transmitting electrical signals through a faraday cage |
GB201401689D0 (en) | 2014-01-31 | 2014-03-19 | Microsoft Corp | Audio signal processing |
US9520851B2 (en) * | 2014-06-26 | 2016-12-13 | Kirusa, Inc. | Predictive automatic gain control in a media processing system |
US9628910B2 (en) | 2015-07-15 | 2017-04-18 | Motorola Mobility Llc | Method and apparatus for reducing acoustic feedback from a speaker to a microphone in a communication device |
CN106373586B (zh) * | 2015-07-24 | 2020-03-17 | 南宁富桂精密工业有限公司 | 噪声滤除电路 |
US9401158B1 (en) * | 2015-09-14 | 2016-07-26 | Knowles Electronics, Llc | Microphone signal fusion |
WO2018121972A1 (en) * | 2016-12-30 | 2018-07-05 | Harman Becker Automotive Systems Gmbh | Acoustic echo canceling |
WO2018217059A1 (en) * | 2017-05-25 | 2018-11-29 | Samsung Electronics Co., Ltd. | Method and electronic device for managing loudness of audio signal |
US10109292B1 (en) * | 2017-06-03 | 2018-10-23 | Apple Inc. | Audio systems with active feedback acoustic echo cancellation |
WO2019012587A1 (ja) * | 2017-07-10 | 2019-01-17 | ヤマハ株式会社 | ゲイン調整装置、遠隔会話装置、ゲイン調整方法、およびゲイン調整プログラム |
RU2721188C2 (ru) * | 2017-12-14 | 2020-05-18 | Общество с ограниченной ответственностью "Аби Продакшн" | Улучшение контраста и снижение шума на изображениях, полученных с камер |
JP7006431B2 (ja) * | 2018-03-23 | 2022-01-24 | 株式会社Jvcケンウッド | 受信機及びプログラム |
JP7006432B2 (ja) * | 2018-03-23 | 2022-01-24 | 株式会社Jvcケンウッド | 受信機及びプログラム |
US11475888B2 (en) * | 2018-04-29 | 2022-10-18 | Dsp Group Ltd. | Speech pre-processing in a voice interactive intelligent personal assistant |
CN109841223B (zh) * | 2019-03-06 | 2020-11-24 | 深圳大学 | 一种音频信号处理方法、智能终端及存储介质 |
TWI822030B (zh) * | 2022-05-05 | 2023-11-11 | 律芯科技股份有限公司 | 雜訊整型式數位自動增益控制系統 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5715597A (en) * | 1980-07-02 | 1982-01-26 | Nippon Gakki Seizo Kk | Microphone device |
US5471527A (en) * | 1993-12-02 | 1995-11-28 | Dsc Communications Corporation | Voice enhancement system and method |
US5473684A (en) * | 1994-04-21 | 1995-12-05 | At&T Corp. | Noise-canceling differential microphone assembly |
US5841385A (en) * | 1996-09-12 | 1998-11-24 | Advanced Micro Devices, Inc. | System and method for performing combined digital/analog automatic gain control for improved clipping suppression |
AU8050998A (en) * | 1997-06-16 | 1999-01-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for low complexity noise reduction |
US6453291B1 (en) * | 1999-02-04 | 2002-09-17 | Motorola, Inc. | Apparatus and method for voice activity detection in a communication system |
US6604071B1 (en) * | 1999-02-09 | 2003-08-05 | At&T Corp. | Speech enhancement with gain limitations based on speech activity |
GB2355607B (en) * | 1999-10-20 | 2002-01-16 | Motorola Israel Ltd | Digital speech processing system |
TW200305854A (en) * | 2002-03-27 | 2003-11-01 | Aliphcom Inc | Microphone and voice activity detection (VAD) configurations for use with communication system |
US7155385B2 (en) * | 2002-05-16 | 2006-12-26 | Comerica Bank, As Administrative Agent | Automatic gain control for adjusting gain during non-speech portions |
DE602006017707D1 (de) * | 2005-08-02 | 2010-12-02 | Koninkl Philips Electronics Nv | Verbesserung der sprachverständlichkeit in einer mobilen kommunikationsvorrichtung durch steuern der funktion eines vibrators in abhängigkeit von dem hintergrundgeräusch |
US7864969B1 (en) * | 2006-02-28 | 2011-01-04 | National Semiconductor Corporation | Adaptive amplifier circuitry for microphone array |
US7456677B1 (en) * | 2006-05-01 | 2008-11-25 | National Semiconductor Corporation | Fractional gain circuit with switched capacitors and smoothed gain transitions for buck voltage regulation |
-
2007
- 2007-07-02 US US11/772,670 patent/US20090010453A1/en not_active Abandoned
-
2008
- 2008-06-27 EP EP08781068A patent/EP2174317A1/en not_active Withdrawn
- 2008-06-27 WO PCT/US2008/068516 patent/WO2009006270A1/en active Application Filing
- 2008-06-27 KR KR1020097027538A patent/KR20100037062A/ko not_active Application Discontinuation
- 2008-06-27 BR BRPI0812756A patent/BRPI0812756A8/pt not_active IP Right Cessation
- 2008-06-27 CN CN200880023133A patent/CN101689373A/zh active Pending
- 2008-06-27 RU RU2010103218/08A patent/RU2461081C2/ru not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
RU2010103218A (ru) | 2011-08-10 |
CN101689373A (zh) | 2010-03-31 |
KR20100037062A (ko) | 2010-04-08 |
RU2461081C2 (ru) | 2012-09-10 |
EP2174317A1 (en) | 2010-04-14 |
WO2009006270A1 (en) | 2009-01-08 |
BRPI0812756A8 (pt) | 2015-12-01 |
US20090010453A1 (en) | 2009-01-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B25D | Requested change of name of applicant approved |
Owner name: MOTOROLA SOLUTIONS, INC. (US) |
|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE AS 6A E 7A ANUIDADES. |
|
B25A | Requested transfer of rights approved |
Owner name: MOTOROLA MOBILITY, INC. (US) |
|
B25E | Requested change of name of applicant rejected |
Owner name: MOTOROLA MOBILITY, INC. (US) Free format text: INDEFERIDO O PEDIDO DE ALTERACAO DE NOME CONTIDO NA PETICAO 20130041675 DE 16/05/2013, DEVIDO A AUSENCIA DE GUIA DE RECOLHIMENTO RELATIVA AO SERVICO. |
|
B25G | Requested change of headquarter approved |
Owner name: MOTOROLA MOBILITY, INC. (US) |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2343 DE 01-12-2015 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |