ATE232008T1 - Vorrichtung und verfahren zur verbesserung der qualität kodierter sprache mittels hintergrundrauschen - Google Patents

Vorrichtung und verfahren zur verbesserung der qualität kodierter sprache mittels hintergrundrauschen

Info

Publication number
ATE232008T1
ATE232008T1 AT99920339T AT99920339T ATE232008T1 AT E232008 T1 ATE232008 T1 AT E232008T1 AT 99920339 T AT99920339 T AT 99920339T AT 99920339 T AT99920339 T AT 99920339T AT E232008 T1 ATE232008 T1 AT E232008T1
Authority
AT
Austria
Prior art keywords
speech
background noise
periods
signal
quality
Prior art date
Application number
AT99920339T
Other languages
English (en)
Inventor
Huan-Yu Su
Adil Benyassine
Original Assignee
Conexant Systems 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 Conexant Systems Inc filed Critical Conexant Systems Inc
Application granted granted Critical
Publication of ATE232008T1 publication Critical patent/ATE232008T1/de

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
    • 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AT99920339T 1998-05-11 1999-05-04 Vorrichtung und verfahren zur verbesserung der qualität kodierter sprache mittels hintergrundrauschen ATE232008T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/075,365 US6122611A (en) 1998-05-11 1998-05-11 Adding noise during LPC coded voice activity periods to improve the quality of coded speech coexisting with background noise
PCT/US1999/009764 WO1999057715A1 (en) 1998-05-05 1999-05-04 A system and method to improve the quality of coded speech coexisting with background noise

Publications (1)

Publication Number Publication Date
ATE232008T1 true ATE232008T1 (de) 2003-02-15

Family

ID=22125228

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99920339T ATE232008T1 (de) 1998-05-11 1999-05-04 Vorrichtung und verfahren zur verbesserung der qualität kodierter sprache mittels hintergrundrauschen

Country Status (6)

Country Link
US (1) US6122611A (de)
EP (1) EP1076895B1 (de)
JP (1) JP4420562B2 (de)
AT (1) ATE232008T1 (de)
DE (1) DE69905152T2 (de)
WO (1) WO1999057715A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3365360B2 (ja) * 1999-07-28 2003-01-08 日本電気株式会社 音声信号復号方法および音声信号符号化復号方法とその装置
JP2001242896A (ja) * 2000-02-29 2001-09-07 Matsushita Electric Ind Co Ltd 音声符号化／復号装置およびその方法
US20030093270A1 (en) * 2001-11-13 2003-05-15 Domer Steven M. Comfort noise including recorded noise
US8874437B2 (en) * 2005-03-28 2014-10-28 Tellabs Operations, Inc. Method and apparatus for modifying an encoded signal for voice quality enhancement
US8000958B2 (en) * 2006-05-15 2011-08-16 Kent State University Device and method for improving communication through dichotic input of a speech signal
US20070270987A1 (en) * 2006-05-18 2007-11-22 Sharp Kabushiki Kaisha Signal processing method, signal processing apparatus and recording medium
EP2118885B1 (de) 2007-02-26 2012-07-11 Dolby Laboratories Licensing Corporation Sprachverstärkung in unterhaltungsaudioinhalten
US20090154718A1 (en) * 2007-12-14 2009-06-18 Page Steven R Method and apparatus for suppressor backfill
KR101648203B1 (ko) 2008-12-23 2016-08-12 코닌클리케 필립스 엔.브이. 스피치 캡처링 및 스피치 렌더링
US8589153B2 (en) * 2011-06-28 2013-11-19 Microsoft Corporation Adaptive conference comfort noise
US9640190B2 (en) * 2012-08-29 2017-05-02 Nippon Telegraph And Telephone Corporation Decoding method, decoding apparatus, program, and recording medium therefor
MY178710A (en) 2012-12-21 2020-10-20 Fraunhofer Ges Forschung Comfort noise addition for modeling background noise at low bit-rates
RU2650025C2 (ru) 2012-12-21 2018-04-06 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Генерирование комфортного шума с высоким спектрально-временным разрешением при прерывистой передаче аудиосигналов

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02288520A (ja) * 1989-04-28 1990-11-28 Hitachi Ltd 背景音再生機能付き音声符号復号方式
US5327457A (en) * 1991-09-13 1994-07-05 Motorola, Inc. Operation indicative background noise in a digital receiver
SE9500858L (sv) * 1995-03-10 1996-09-11 Ericsson Telefon Ab L M Anordning och förfarande vid talöverföring och ett telekommunikationssystem omfattande dylik anordning
FR2739995B1 (fr) * 1995-10-13 1997-12-12 Massaloux Dominique Procede et dispositif de creation d'un bruit de confort dans un systeme de transmission numerique de parole
US5794199A (en) * 1996-01-29 1998-08-11 Texas Instruments Incorporated Method and system for improved discontinuous speech transmission
US5864799A (en) * 1996-08-08 1999-01-26 Motorola Inc. Apparatus and method for generating noise in a digital receiver

Also Published As

Publication number Publication date
US6122611A (en) 2000-09-19
JP2003522964A (ja) 2003-07-29
EP1076895B1 (de) 2003-01-29
JP4420562B2 (ja) 2010-02-24
DE69905152T2 (de) 2003-11-20
DE69905152D1 (de) 2003-03-06
WO1999057715A1 (en) 1999-11-11
EP1076895A1 (de) 2001-02-21

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Legal Events

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