BR112014009647A2 - aparelho e método de atenuação do ruído, atenuação do ruído, e, produto de programa de computador - Google Patents
aparelho e método de atenuação do ruído, atenuação do ruído, e, produto de programa de computadorInfo
- Publication number
- BR112014009647A2 BR112014009647A2 BR112014009647A BR112014009647A BR112014009647A2 BR 112014009647 A2 BR112014009647 A2 BR 112014009647A2 BR 112014009647 A BR112014009647 A BR 112014009647A BR 112014009647 A BR112014009647 A BR 112014009647A BR 112014009647 A2 BR112014009647 A2 BR 112014009647A2
- Authority
- BR
- Brazil
- Prior art keywords
- signal
- noise
- candidates
- noise attenuation
- candidate
- Prior art date
Links
- 238000004590 computer program Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 230000005236 sound signal Effects 0.000 abstract 4
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
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/012—Comfort noise or silence coding
-
- 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
- G10L21/0224—Processing in the time domain
-
- 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
-
- 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
-
- 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
- G10L2021/02163—Only one microphone
-
- 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
- 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
- G10L2021/02166—Microphone arrays; Beamforming
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (AREA)
- Noise Elimination (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Control Of Amplification And Gain Control (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
resumo aparelho e método de atenuação do ruído, atenuação do ruído, e, produto de programa de computador um aparelho de atenuação do ruído recebe um sinal de áudio que compreende um componente de sinal desejado e do ruído. dois livros de código (109, 111) compreendem respectivamente candidatos de sinal desejado que representam um possível componente de sinal desejado e candidatos de contribuição de sinal do ruído que representam possíveis contribuições do ruído. um segmentador (103) segmenta o sinal de áudio nos segmentos de tempo e para cada segmento de tempo um atenuador do ruído (105) gera candidatos de sinal estimado por cada um dos candidatos de sinal desejado que geram um candidato de sinal estimado como uma combinação de uma versão reduzida do candidato de sinal desejado e uma combinação ponderada dos candidatos de contribuição de sinal do ruído. o atenuador do ruído (105) minimiza uma função de custo indicativa de uma diferença entre o candidato de sinal estimado e o sinal de áudio no segmento de tempo. um candidato de sinal é então determinado para o segmento de tempo dos candidatos de sinal estimado e o sinal de áudio é um ruído compensado com base neste candidato de sinal. 1/1
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161550512P | 2011-10-24 | 2011-10-24 | |
US61/550,512 | 2011-10-24 | ||
PCT/IB2012/055792 WO2013061232A1 (en) | 2011-10-24 | 2012-10-22 | Audio signal noise attenuation |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112014009647A2 true BR112014009647A2 (pt) | 2017-05-09 |
BR112014009647B1 BR112014009647B1 (pt) | 2021-11-03 |
Family
ID=47324238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112014009647-3A BR112014009647B1 (pt) | 2011-10-24 | 2012-10-22 | Aparelho de atenuação do ruído e método de atenuação do ruído |
Country Status (8)
Country | Link |
---|---|
US (1) | US9875748B2 (pt) |
EP (1) | EP2774147B1 (pt) |
JP (1) | JP6190373B2 (pt) |
CN (1) | CN103999155B (pt) |
BR (1) | BR112014009647B1 (pt) |
IN (1) | IN2014CN03102A (pt) |
RU (1) | RU2616534C2 (pt) |
WO (1) | WO2013061232A1 (pt) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10013975B2 (en) * | 2014-02-27 | 2018-07-03 | Qualcomm Incorporated | Systems and methods for speaker dictionary based speech modeling |
CN104952458B (zh) * | 2015-06-09 | 2019-05-14 | 广州广电运通金融电子股份有限公司 | 一种噪声抑制方法、装置及系统 |
US10565336B2 (en) | 2018-05-24 | 2020-02-18 | International Business Machines Corporation | Pessimism reduction in cross-talk noise determination used in integrated circuit design |
CN112466322B (zh) * | 2020-11-27 | 2023-06-20 | 华侨大学 | 一种机电设备噪声信号特征提取方法 |
TWI790718B (zh) * | 2021-08-19 | 2023-01-21 | 宏碁股份有限公司 | 會議終端及用於會議的回音消除方法 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3275247B2 (ja) | 1991-05-22 | 2002-04-15 | 日本電信電話株式会社 | 音声符号化・復号化方法 |
JPH11122120A (ja) * | 1997-10-17 | 1999-04-30 | Sony Corp | 符号化方法及び装置、並びに復号化方法及び装置 |
EP1155561B1 (de) * | 1999-02-26 | 2006-05-24 | Infineon Technologies AG | Vorrichtung und verfahren zur geräuschunterdrückung in fernsprecheinrichtungen |
JP3574123B2 (ja) * | 2001-03-28 | 2004-10-06 | 三菱電機株式会社 | 雑音抑圧装置 |
EP1414024A1 (en) * | 2002-10-21 | 2004-04-28 | Alcatel | Realistic comfort noise for voice calls over packet networks |
US7885420B2 (en) * | 2003-02-21 | 2011-02-08 | Qnx Software Systems Co. | Wind noise suppression system |
US7895036B2 (en) * | 2003-02-21 | 2011-02-22 | Qnx Software Systems Co. | System for suppressing wind noise |
US7343289B2 (en) * | 2003-06-25 | 2008-03-11 | Microsoft Corp. | System and method for audio/video speaker detection |
GB0321093D0 (en) | 2003-09-09 | 2003-10-08 | Nokia Corp | Multi-rate coding |
CA2457988A1 (en) * | 2004-02-18 | 2005-08-18 | Voiceage Corporation | Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization |
EP1854095A1 (en) * | 2005-02-15 | 2007-11-14 | BBN Technologies Corp. | Speech analyzing system with adaptive noise codebook |
US7590530B2 (en) * | 2005-09-03 | 2009-09-15 | Gn Resound A/S | Method and apparatus for improved estimation of non-stationary noise for speech enhancement |
JP4823001B2 (ja) * | 2006-09-27 | 2011-11-24 | 富士通セミコンダクター株式会社 | オーディオ符号化装置 |
ATE425532T1 (de) | 2006-10-31 | 2009-03-15 | Harman Becker Automotive Sys | Modellbasierte verbesserung von sprachsignalen |
KR100919223B1 (ko) * | 2007-09-19 | 2009-09-28 | 한국전자통신연구원 | 부대역의 불확실성 정보를 이용한 잡음환경에서의 음성인식 방법 및 장치 |
EP2081405B1 (en) * | 2008-01-21 | 2012-05-16 | Bernafon AG | A hearing aid adapted to a specific type of voice in an acoustical environment, a method and use |
US8483854B2 (en) * | 2008-01-28 | 2013-07-09 | Qualcomm Incorporated | Systems, methods, and apparatus for context processing using multiple microphones |
PL2304719T3 (pl) * | 2008-07-11 | 2017-12-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Koder audio, sposoby dostarczania strumienia audio oraz program komputerowy |
EP2246845A1 (en) | 2009-04-21 | 2010-11-03 | Siemens Medical Instruments Pte. Ltd. | Method and acoustic signal processing device for estimating linear predictive coding coefficients |
EP2439736A1 (en) * | 2009-06-02 | 2012-04-11 | Panasonic Corporation | Down-mixing device, encoder, and method therefor |
US20110096942A1 (en) * | 2009-10-23 | 2011-04-28 | Broadcom Corporation | Noise suppression system and method |
EP2363853A1 (en) * | 2010-03-04 | 2011-09-07 | Österreichische Akademie der Wissenschaften | A method for estimating the clean spectrum of a signal |
WO2011114192A1 (en) * | 2010-03-19 | 2011-09-22 | Nokia Corporation | Method and apparatus for audio coding |
WO2013057659A2 (en) | 2011-10-19 | 2013-04-25 | Koninklijke Philips Electronics N.V. | Signal noise attenuation |
US20130297299A1 (en) * | 2012-05-07 | 2013-11-07 | Board Of Trustees Of Michigan State University | Sparse Auditory Reproducing Kernel (SPARK) Features for Noise-Robust Speech and Speaker Recognition |
US9336212B2 (en) * | 2012-10-30 | 2016-05-10 | Slicethepie Limited | Systems and methods for collection and automatic analysis of opinions on various types of media |
-
2012
- 2012-10-22 CN CN201280064187.0A patent/CN103999155B/zh active Active
- 2012-10-22 BR BR112014009647-3A patent/BR112014009647B1/pt active IP Right Grant
- 2012-10-22 WO PCT/IB2012/055792 patent/WO2013061232A1/en active Application Filing
- 2012-10-22 JP JP2014536402A patent/JP6190373B2/ja active Active
- 2012-10-22 EP EP12798398.9A patent/EP2774147B1/en active Active
- 2012-10-22 US US14/351,646 patent/US9875748B2/en active Active
- 2012-10-22 RU RU2014121031A patent/RU2616534C2/ru active
-
2014
- 2014-04-24 IN IN3102CHN2014 patent/IN2014CN03102A/en unknown
Also Published As
Publication number | Publication date |
---|---|
JP2014532891A (ja) | 2014-12-08 |
CN103999155A (zh) | 2014-08-20 |
EP2774147A1 (en) | 2014-09-10 |
RU2616534C2 (ru) | 2017-04-17 |
CN103999155B (zh) | 2016-12-21 |
EP2774147B1 (en) | 2015-07-22 |
US9875748B2 (en) | 2018-01-23 |
RU2014121031A (ru) | 2015-12-10 |
JP6190373B2 (ja) | 2017-08-30 |
US20140249809A1 (en) | 2014-09-04 |
BR112014009647B1 (pt) | 2021-11-03 |
WO2013061232A1 (en) | 2013-05-02 |
IN2014CN03102A (pt) | 2015-07-03 |
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Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 22/10/2012, OBSERVADAS AS CONDICOES LEGAIS. |