CN101641735A - 估计通信系统中的噪声电平的方法 - Google Patents
估计通信系统中的噪声电平的方法 Download PDFInfo
- Publication number
- CN101641735A CN101641735A CN200780051547A CN200780051547A CN101641735A CN 101641735 A CN101641735 A CN 101641735A CN 200780051547 A CN200780051547 A CN 200780051547A CN 200780051547 A CN200780051547 A CN 200780051547A CN 101641735 A CN101641735 A CN 101641735A
- Authority
- CN
- China
- Prior art keywords
- data
- signal
- noise
- conversion
- voice
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000004891 communication Methods 0.000 title description 18
- 238000013507 mapping Methods 0.000 claims abstract description 39
- 238000009499 grossing Methods 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims description 42
- 238000001514 detection method Methods 0.000 claims description 17
- 230000009466 transformation Effects 0.000 claims description 15
- 230000001131 transforming effect Effects 0.000 abstract 2
- 230000007423 decrease Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 41
- 230000006870 function Effects 0.000 description 29
- 238000001228 spectrum Methods 0.000 description 26
- 230000008569 process Effects 0.000 description 17
- 230000005540 biological transmission Effects 0.000 description 8
- 206010038743 Restlessness Diseases 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001373 regressive effect Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012952 Resampling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
Images
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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Dc Digital Transmission (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
Description
Claims (19)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0703275.8A GB0703275D0 (en) | 2007-02-20 | 2007-02-20 | Method of estimating noise levels in a communication system |
GB0703275.8 | 2007-02-20 | ||
PCT/IB2007/004498 WO2008102207A2 (en) | 2007-02-20 | 2007-12-20 | Method of estimating noise levels in a communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101641735A true CN101641735A (zh) | 2010-02-03 |
CN101641735B CN101641735B (zh) | 2012-01-25 |
Family
ID=37908947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007800515472A Expired - Fee Related CN101641735B (zh) | 2007-02-20 | 2007-12-20 | 估计通信系统中的噪声电平的方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US8838444B2 (zh) |
EP (1) | EP2132734B1 (zh) |
JP (1) | JP4927957B2 (zh) |
CN (1) | CN101641735B (zh) |
AT (1) | ATE498887T1 (zh) |
BR (1) | BRPI0721316A2 (zh) |
CA (1) | CA2679476C (zh) |
DE (1) | DE602007012596D1 (zh) |
GB (1) | GB0703275D0 (zh) |
WO (1) | WO2008102207A2 (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5229234B2 (ja) | 2007-12-18 | 2013-07-03 | 富士通株式会社 | 非音声区間検出方法及び非音声区間検出装置 |
GB0919672D0 (en) | 2009-11-10 | 2009-12-23 | Skype Ltd | Noise suppression |
US9589580B2 (en) | 2011-03-14 | 2017-03-07 | Cochlear Limited | Sound processing based on a confidence measure |
JP5732976B2 (ja) * | 2011-03-31 | 2015-06-10 | 沖電気工業株式会社 | 音声区間判定装置、音声区間判定方法、及びプログラム |
JP6201043B2 (ja) | 2013-06-21 | 2017-09-20 | フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー.フアー. | エラー封じ込め中の切替音声符号化システムについての向上した信号フェードアウトのための装置及び方法 |
US20170365255A1 (en) | 2016-06-15 | 2017-12-21 | Adam Kupryjanow | Far field automatic speech recognition pre-processing |
US10104464B2 (en) | 2016-08-25 | 2018-10-16 | Bragi GmbH | Wireless earpiece and smart glasses system and method |
US10200780B2 (en) | 2016-08-29 | 2019-02-05 | Bragi GmbH | Method and apparatus for conveying battery life of wireless earpiece |
US11490858B2 (en) | 2016-08-31 | 2022-11-08 | Bragi GmbH | Disposable sensor array wearable device sleeve system and method |
EP3573058B1 (en) * | 2018-05-23 | 2021-02-24 | Harman Becker Automotive Systems GmbH | Dry sound and ambient sound separation |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2897628B2 (ja) * | 1993-12-24 | 1999-05-31 | 三菱電機株式会社 | 音声検出器 |
JPH07193548A (ja) * | 1993-12-25 | 1995-07-28 | Sony Corp | 雑音低減処理方法 |
EP1071081B1 (en) * | 1996-11-07 | 2002-05-08 | Matsushita Electric Industrial Co., Ltd. | Vector quantization codebook generation method |
FR2768544B1 (fr) * | 1997-09-18 | 1999-11-19 | Matra Communication | Procede de detection d'activite vocale |
US6826528B1 (en) * | 1998-09-09 | 2004-11-30 | Sony Corporation | Weighted frequency-channel background noise suppressor |
US6718301B1 (en) * | 1998-11-11 | 2004-04-06 | Starkey Laboratories, Inc. | System for measuring speech content in sound |
SE9903553D0 (sv) * | 1999-01-27 | 1999-10-01 | Lars Liljeryd | Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL) |
DE19948308C2 (de) * | 1999-10-06 | 2002-05-08 | Cortologic Ag | Verfahren und Vorrichtung zur Geräuschunterdrückung bei der Sprachübertragung |
US20020041678A1 (en) * | 2000-08-18 | 2002-04-11 | Filiz Basburg-Ertem | Method and apparatus for integrated echo cancellation and noise reduction for fixed subscriber terminals |
US6873732B2 (en) * | 2001-07-09 | 2005-03-29 | Xerox Corporation | Method and apparatus for resolving perspective distortion in a document image and for calculating line sums in images |
US20030187637A1 (en) * | 2002-03-29 | 2003-10-02 | At&T | Automatic feature compensation based on decomposition of speech and noise |
US7242762B2 (en) * | 2002-06-24 | 2007-07-10 | Freescale Semiconductor, Inc. | Monitoring and control of an adaptive filter in a communication system |
KR20040044217A (ko) * | 2002-11-19 | 2004-05-28 | 주식회사 인티스 | 디지털 통신의 음성 품질 향상 장치 및 방법 |
WO2005009019A2 (en) | 2003-07-16 | 2005-01-27 | Skype Limited | Peer-to-peer telephone system and method |
TWI233590B (en) * | 2003-09-26 | 2005-06-01 | Ind Tech Res Inst | Energy feature extraction method for noisy speech recognition |
EP1676261A1 (en) * | 2003-10-16 | 2006-07-05 | Koninklijke Philips Electronics N.V. | Voice activity detection with adaptive noise floor tracking |
CN1322488C (zh) * | 2004-04-14 | 2007-06-20 | 华为技术有限公司 | 一种语音增强的方法 |
US7454332B2 (en) * | 2004-06-15 | 2008-11-18 | Microsoft Corporation | Gain constrained noise suppression |
US7496138B2 (en) * | 2004-11-08 | 2009-02-24 | Interdigital Technology Corporation | Method and apparatus for estimating the step-size of an adaptive equalizer |
EP2104451A4 (en) * | 2006-01-25 | 2010-01-06 | Pipex Inc | DROPLET COLLECTION DEVICES AND METHODS FOR DETECTING AND CONTROLLING AIR-TRANSMISSIBLE DISEASES USING AN RFID |
US20090012786A1 (en) * | 2007-07-06 | 2009-01-08 | Texas Instruments Incorporated | Adaptive Noise Cancellation |
-
2007
- 2007-02-20 GB GBGB0703275.8A patent/GB0703275D0/en not_active Ceased
- 2007-12-20 AT AT07872475T patent/ATE498887T1/de not_active IP Right Cessation
- 2007-12-20 WO PCT/IB2007/004498 patent/WO2008102207A2/en active Application Filing
- 2007-12-20 CA CA2679476A patent/CA2679476C/en active Active
- 2007-12-20 JP JP2009550325A patent/JP4927957B2/ja not_active Expired - Fee Related
- 2007-12-20 EP EP07872475A patent/EP2132734B1/en not_active Not-in-force
- 2007-12-20 BR BRPI0721316-6A2A patent/BRPI0721316A2/pt active Search and Examination
- 2007-12-20 DE DE602007012596T patent/DE602007012596D1/de active Active
- 2007-12-20 CN CN2007800515472A patent/CN101641735B/zh not_active Expired - Fee Related
- 2007-12-28 US US12/006,057 patent/US8838444B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2008102207A2 (en) | 2008-08-28 |
EP2132734A2 (en) | 2009-12-16 |
CN101641735B (zh) | 2012-01-25 |
WO2008102207A3 (en) | 2008-10-30 |
GB0703275D0 (en) | 2007-03-28 |
BRPI0721316A2 (pt) | 2014-02-18 |
ATE498887T1 (de) | 2011-03-15 |
JP4927957B2 (ja) | 2012-05-09 |
EP2132734B1 (en) | 2011-02-16 |
JP2010519583A (ja) | 2010-06-03 |
US20080201137A1 (en) | 2008-08-21 |
DE602007012596D1 (de) | 2011-03-31 |
US8838444B2 (en) | 2014-09-16 |
CA2679476A1 (en) | 2008-08-28 |
CA2679476C (en) | 2015-11-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101641735B (zh) | 估计通信系统中的噪声电平的方法 | |
CN101719969B (zh) | 判断双端对话的方法、系统以及消除回声的方法和系统 | |
CN1727860B (zh) | 语音噪音抑制方法和语音噪音抑制器 | |
CN111048119B (zh) | 通话音频混音处理方法、装置、存储介质和计算机设备 | |
CN101027719B (zh) | 噪声抑制装置 | |
US6324502B1 (en) | Noisy speech autoregression parameter enhancement method and apparatus | |
US8010355B2 (en) | Low complexity noise reduction method | |
CN101826892B (zh) | 回声消除器 | |
US20050108004A1 (en) | Voice activity detector based on spectral flatness of input signal | |
CN111149370B (zh) | 会议系统中的啸叫检测 | |
US8270633B2 (en) | Noise suppressing apparatus | |
JP4660578B2 (ja) | 信号補正装置 | |
CN101141533B (zh) | 用于提供具有扩展带宽的声音信号的方法和系统 | |
CN1354873A (zh) | 利用固定滤波器通过时域频谱减法减少信号噪声 | |
CN103270740A (zh) | 声音控制装置、声音控制方法、声音控制程序以及移动终端装置 | |
CN101421780A (zh) | 音频编码和解码中的激励处理 | |
CN113744748B (zh) | 一种网络模型的训练方法、回声消除方法及设备 | |
CN104981870A (zh) | 声音增强装置 | |
CN114530160A (zh) | 模型训练方法、回声消除方法、系统、设备及存储介质 | |
JP4542790B2 (ja) | ノイズサプレッサ及びノイズサプレッサを備えた音声通信装置 | |
EP1278185A2 (en) | Method for improving noise reduction in speech transmission | |
CN1122971C (zh) | 通信终端、抑制干扰信号的干扰抑制装置及其方法 | |
US7260526B2 (en) | Method of filtering noise of source digital data | |
JP3255077B2 (ja) | 電話機 | |
KR0171004B1 (ko) | Samdf를 이용한 기본 주파수와 제1포만트의 비율 측정방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: SKYPE LTD. Free format text: FORMER NAME: SKYPER LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Dublin, Ireland Patentee after: SKYPE Ltd. Address before: Dublin, Ireland Patentee before: Skype Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20200511 Address after: Washington State Patentee after: MICROSOFT TECHNOLOGY LICENSING, LLC Address before: Ai Erlandubailin Patentee before: SKYPE Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120125 |
|
CF01 | Termination of patent right due to non-payment of annual fee |