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ATE293828T1 - Adaptiver geräuschpegelschätzer - Google Patents

Adaptiver geräuschpegelschätzer

Info

Publication number
ATE293828T1
ATE293828T1 AT01440295T AT01440295T ATE293828T1 AT E293828 T1 ATE293828 T1 AT E293828T1 AT 01440295 T AT01440295 T AT 01440295T AT 01440295 T AT01440295 T AT 01440295T AT E293828 T1 ATE293828 T1 AT E293828T1
Authority
AT
Austria
Prior art keywords
noise level
adopting
value
supporting
input signal
Prior art date
Application number
AT01440295T
Other languages
English (en)
Inventor
Michael Walker
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of ATE293828T1 publication Critical patent/ATE293828T1/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
    • G10L21/0208—Noise filtering

Landscapes

  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (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)
  • Multimedia (AREA)
  • Noise Elimination (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephonic Communication Services (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Telephone Function (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
AT01440295T 2000-10-24 2001-09-12 Adaptiver geräuschpegelschätzer ATE293828T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10052626A DE10052626A1 (de) 2000-10-24 2000-10-24 Adaptiver Geräuschpegelschätzer

Publications (1)

Publication Number Publication Date
ATE293828T1 true ATE293828T1 (de) 2005-05-15

Family

ID=7660840

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01440295T ATE293828T1 (de) 2000-10-24 2001-09-12 Adaptiver geräuschpegelschätzer

Country Status (5)

Country Link
US (1) US6842526B2 (de)
EP (1) EP1202253B1 (de)
JP (1) JP2002198918A (de)
AT (1) ATE293828T1 (de)
DE (2) DE10052626A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4490090B2 (ja) * 2003-12-25 2010-06-23 株式会社エヌ・ティ・ティ・ドコモ 有音無音判定装置および有音無音判定方法
JP4601970B2 (ja) * 2004-01-28 2010-12-22 株式会社エヌ・ティ・ティ・ドコモ 有音無音判定装置および有音無音判定方法
US20050226442A1 (en) * 2004-04-12 2005-10-13 Landon Michael D Method and apparatus for achieving temporal volume control
JP4551817B2 (ja) * 2005-05-20 2010-09-29 Ｏｋｉセミコンダクタ株式会社 ノイズレベル推定方法及びその装置
US8275153B2 (en) * 2007-04-16 2012-09-25 Evertz Microsystems Ltd. System and method for generating an audio gain control signal
US8894316B2 (en) * 2009-07-22 2014-11-25 Music Express, Llc Adjustable joint for microphone
US20130246060A1 (en) * 2010-11-25 2013-09-19 Nec Corporation Signal processing device, signal processing method and signal processing program
US10978096B2 (en) * 2017-04-25 2021-04-13 Qualcomm Incorporated Optimized uplink operation for voice over long-term evolution (VoLte) and voice over new radio (VoNR) listen or silent periods
WO2021041741A1 (en) * 2019-08-30 2021-03-04 Dolby Laboratories Licensing Corporation Pre-conditioning audio for machine perception

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3855423A (en) * 1973-05-03 1974-12-17 Bell Telephone Labor Inc Noise spectrum equalizer
US4000369A (en) * 1974-12-05 1976-12-28 Rockwell International Corporation Analog signal channel equalization with signal-in-noise embodiment
DE3243232A1 (de) * 1982-11-23 1984-05-24 Philips Kommunikations Industrie AG, 8500 Nürnberg Verfahren zur erkennung von sprachpausen
US4885790A (en) * 1985-03-18 1989-12-05 Massachusetts Institute Of Technology Processing of acoustic waveforms
AU608432B2 (en) * 1988-03-11 1991-03-28 Lg Electronics Inc. Voice activity detection
DE69229627T2 (de) * 1991-03-05 1999-12-02 Picturetel Corp., Danvers Sprachkodierer mit veränderlicher bitrate
US5341456A (en) * 1992-12-02 1994-08-23 Qualcomm Incorporated Method for determining speech encoding rate in a variable rate vocoder
US5485522A (en) * 1993-09-29 1996-01-16 Ericsson Ge Mobile Communications, Inc. System for adaptively reducing noise in speech signals

Also Published As

Publication number Publication date
DE50105947D1 (de) 2005-05-25
JP2002198918A (ja) 2002-07-12
US20020064288A1 (en) 2002-05-30
DE10052626A1 (de) 2002-05-02
EP1202253A2 (de) 2002-05-02
EP1202253B1 (de) 2005-04-20
US6842526B2 (en) 2005-01-11
EP1202253A3 (de) 2004-01-02

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