ATE491262T1 - Verfahren und system zum verringern der auswirkungen von geräuschproduzierenden artefakten - Google Patents

Verfahren und system zum verringern der auswirkungen von geräuschproduzierenden artefakten

Info

Publication number
ATE491262T1
ATE491262T1 AT06817327T AT06817327T ATE491262T1 AT E491262 T1 ATE491262 T1 AT E491262T1 AT 06817327 T AT06817327 T AT 06817327T AT 06817327 T AT06817327 T AT 06817327T AT E491262 T1 ATE491262 T1 AT E491262T1
Authority
AT
Austria
Prior art keywords
total input
input level
gain value
noise producing
reducing
Prior art date
Application number
AT06817327T
Other languages
English (en)
Inventor
Yang Gao
Eyal Shlomot
Original Assignee
Mindspeed Tech Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mindspeed Tech Inc filed Critical Mindspeed Tech Inc
Application granted granted Critical
Publication of ATE491262T1 publication Critical patent/ATE491262T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3089—Control of digital or coded 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
    • 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
    • G10L21/04—Time compression or expansion
    • G10L21/043—Time compression or expansion by changing speed
    • G10L21/045—Time compression or expansion by changing speed using thinning out or insertion of a waveform
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/341—Muting when no signals or only weak signals are present

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Noise Elimination (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT06817327T 2006-03-20 2006-10-23 Verfahren und system zum verringern der auswirkungen von geräuschproduzierenden artefakten ATE491262T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/385,553 US7454335B2 (en) 2006-03-20 2006-03-20 Method and system for reducing effects of noise producing artifacts in a voice codec
PCT/US2006/041434 WO2007111645A2 (en) 2006-03-20 2006-10-23 Method and system for reducing effects of noise producing artifacts in a voice codec

Publications (1)

Publication Number Publication Date
ATE491262T1 true ATE491262T1 (de) 2010-12-15

Family

ID=38519014

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06817327T ATE491262T1 (de) 2006-03-20 2006-10-23 Verfahren und system zum verringern der auswirkungen von geräuschproduzierenden artefakten

Country Status (7)

Country Link
US (2) US7454335B2 (de)
EP (2) EP1997101B1 (de)
AT (1) ATE491262T1 (de)
BR (1) BRPI0621563A2 (de)
DE (1) DE602006018791D1 (de)
ES (1) ES2356503T3 (de)
WO (1) WO2007111645A2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7454335B2 (en) * 2006-03-20 2008-11-18 Mindspeed Technologies, Inc. Method and system for reducing effects of noise producing artifacts in a voice codec
JP4912036B2 (ja) * 2006-05-26 2012-04-04 富士通株式会社 指向性集音装置、指向性集音方法、及びコンピュータプログラム
KR101235830B1 (ko) 2007-12-06 2013-02-21 한국전자통신연구원 음성코덱의 품질향상장치 및 그 방법
CN100550133C (zh) 2008-03-20 2009-10-14 华为技术有限公司 一种语音信号处理方法及装置
CN101483042B (zh) * 2008-03-20 2011-03-30 华为技术有限公司 一种噪声生成方法以及噪声生成装置
CN102292769B (zh) * 2009-02-13 2012-12-19 华为技术有限公司 一种立体声编码方法和装置
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
IL295473B2 (en) 2010-07-02 2023-10-01 Dolby Int Ab After–selective bass filter
US8924200B2 (en) * 2010-10-15 2014-12-30 Motorola Mobility Llc Audio signal bandwidth extension in CELP-based speech coder
JP5085769B1 (ja) * 2011-06-24 2012-11-28 株式会社東芝 音響制御装置、音響補正装置、及び音響補正方法
CN102592592A (zh) * 2011-12-30 2012-07-18 深圳市车音网科技有限公司 语音数据的提取方法和装置
CN102568473A (zh) * 2011-12-30 2012-07-11 深圳市车音网科技有限公司 语音信号的录制方法和装置
US9208798B2 (en) 2012-04-09 2015-12-08 Board Of Regents, The University Of Texas System Dynamic control of voice codec data rate
US9002030B2 (en) * 2012-05-01 2015-04-07 Audyssey Laboratories, Inc. System and method for performing voice activity detection
BR112015018023B1 (pt) * 2013-01-29 2022-06-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. Aparelho e método para sintetizar um sinal de áudio, decodificador, codificador e sistema
US9484043B1 (en) * 2014-03-05 2016-11-01 QoSound, Inc. Noise suppressor
EP3573059B1 (de) * 2018-05-25 2021-03-31 Dolby Laboratories Licensing Corporation Dialogverbesserung auf basis von synthetisierter sprache
CN115512687B (zh) * 2022-11-08 2023-02-17 之江实验室 一种语音断句方法、装置、存储介质及电子设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995002288A1 (en) * 1993-07-07 1995-01-19 Picturetel Corporation Reduction of background noise for speech enhancement
US5544250A (en) * 1994-07-18 1996-08-06 Motorola Noise suppression system and method therefor
US6453289B1 (en) * 1998-07-24 2002-09-17 Hughes Electronics Corporation Method of noise reduction for speech codecs
WO2003001173A1 (en) * 2001-06-22 2003-01-03 Rti Tech Pte Ltd A noise-stripping device
US7657427B2 (en) * 2002-10-11 2010-02-02 Nokia Corporation Methods and devices for source controlled variable bit-rate wideband speech coding
US7454335B2 (en) * 2006-03-20 2008-11-18 Mindspeed Technologies, Inc. Method and system for reducing effects of noise producing artifacts in a voice codec

Also Published As

Publication number Publication date
BRPI0621563A2 (pt) 2012-07-10
EP2290815B1 (de) 2013-02-20
DE602006018791D1 (de) 2011-01-20
US8095362B2 (en) 2012-01-10
EP2290815A2 (de) 2011-03-02
EP2290815A3 (de) 2011-09-07
US20090070106A1 (en) 2009-03-12
WO2007111645A3 (en) 2008-10-02
EP1997101A4 (de) 2010-01-06
EP1997101A2 (de) 2008-12-03
ES2356503T3 (es) 2011-04-08
WO2007111645A2 (en) 2007-10-04
US7454335B2 (en) 2008-11-18
US20070219791A1 (en) 2007-09-20
EP1997101B1 (de) 2010-12-08

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