ATE315269T1 - Verbesserung eines kodierten sprachsignals - Google Patents

Verbesserung eines kodierten sprachsignals

Info

Publication number
ATE315269T1
ATE315269T1 AT02787610T AT02787610T ATE315269T1 AT E315269 T1 ATE315269 T1 AT E315269T1 AT 02787610 T AT02787610 T AT 02787610T AT 02787610 T AT02787610 T AT 02787610T AT E315269 T1 ATE315269 T1 AT E315269T1
Authority
AT
Austria
Prior art keywords
signal
improvement
voice signal
enhancement
enhanced output
Prior art date
Application number
AT02787610T
Other languages
English (en)
Inventor
Kleijn W Bastiaan
Original Assignee
Global Ip Sound Europ Ab
Global Ip Sound 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 Global Ip Sound Europ Ab, Global Ip Sound Inc filed Critical Global Ip Sound Europ Ab
Application granted granted Critical
Publication of ATE315269T1 publication Critical patent/ATE315269T1/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
    • 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)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Holo Graphy (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT02787610T 2001-11-08 2002-11-08 Verbesserung eines kodierten sprachsignals ATE315269T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/036,747 US7103539B2 (en) 2001-11-08 2001-11-08 Enhanced coded speech

Publications (1)

Publication Number Publication Date
ATE315269T1 true ATE315269T1 (de) 2006-02-15

Family

ID=21890409

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02787610T ATE315269T1 (de) 2001-11-08 2002-11-08 Verbesserung eines kodierten sprachsignals

Country Status (7)

Country Link
US (1) US7103539B2 (de)
EP (1) EP1442455B1 (de)
CN (1) CN1297952C (de)
AT (1) ATE315269T1 (de)
AU (1) AU2002351924A1 (de)
DE (1) DE60208584T2 (de)
WO (1) WO2003041054A2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7590523B2 (en) * 2006-03-20 2009-09-15 Mindspeed Technologies, Inc. Speech post-processing using MDCT coefficients
GB0704622D0 (en) * 2007-03-09 2007-04-18 Skype Ltd Speech coding system and method
JP5316896B2 (ja) * 2010-03-17 2013-10-16 ソニー株式会社 符号化装置および符号化方法、復号装置および復号方法、並びにプログラム
CN103004084B (zh) * 2011-01-14 2015-12-09 华为技术有限公司 用于语音质量增强的方法及设备
US8682670B2 (en) 2011-07-07 2014-03-25 International Business Machines Corporation Statistical enhancement of speech output from a statistical text-to-speech synthesis system
CN104637494A (zh) * 2015-02-02 2015-05-20 哈尔滨工程大学 基于盲源分离的双话筒移动设备语音信号增强方法
CN109686378B (zh) * 2017-10-13 2021-06-08 华为技术有限公司 语音处理方法和终端

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5241650A (en) * 1989-10-17 1993-08-31 Motorola, Inc. Digital speech decoder having a postfilter with reduced spectral distortion
US5267317A (en) * 1991-10-18 1993-11-30 At&T Bell Laboratories Method and apparatus for smoothing pitch-cycle waveforms
US5544278A (en) * 1994-04-29 1996-08-06 Audio Codes Ltd. Pitch post-filter
JP2964879B2 (ja) * 1994-08-22 1999-10-18 日本電気株式会社 ポストフィルタ
GB9512284D0 (en) * 1995-06-16 1995-08-16 Nokia Mobile Phones Ltd Speech Synthesiser
JP2921472B2 (ja) * 1996-03-15 1999-07-19 日本電気株式会社 音声および雑音の除去装置、音声認識装置
JP2940464B2 (ja) * 1996-03-27 1999-08-25 日本電気株式会社 音声復号化装置
FR2768547B1 (fr) * 1997-09-18 1999-11-19 Matra Communication Procede de debruitage d'un signal de parole numerique
FR2768545B1 (fr) * 1997-09-18 2000-07-13 Matra Communication Procede de conditionnement d'un signal de parole numerique
EP0971337A4 (de) * 1998-01-26 2001-01-17 Matsushita Electric Industrial Co Ltd Verfahren und vorrichtung zur hervorhebung der sprachgrundfrequenz
US6549586B2 (en) * 1999-04-12 2003-04-15 Telefonaktiebolaget L M Ericsson System and method for dual microphone signal noise reduction using spectral subtraction
JP3454206B2 (ja) * 1999-11-10 2003-10-06 三菱電機株式会社 雑音抑圧装置及び雑音抑圧方法
US6757395B1 (en) * 2000-01-12 2004-06-29 Sonic Innovations, Inc. Noise reduction apparatus and method

Also Published As

Publication number Publication date
DE60208584D1 (de) 2006-03-30
WO2003041054A2 (en) 2003-05-15
CN1297952C (zh) 2007-01-31
EP1442455B1 (de) 2006-01-04
WO2003041054A3 (en) 2003-09-04
EP1442455A2 (de) 2004-08-04
DE60208584T2 (de) 2006-08-10
US7103539B2 (en) 2006-09-05
US20030097256A1 (en) 2003-05-22
CN1608285A (zh) 2005-04-20
AU2002351924A1 (en) 2003-05-19

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