DE60333133D1 - Verfahren und schaltung zur rauschschätzung, darauf bezogener filter, dieses benutzendes endgerät und kommunikationsnetzwerk, sowie computer-programm-produkt hierfür - Google Patents

Verfahren und schaltung zur rauschschätzung, darauf bezogener filter, dieses benutzendes endgerät und kommunikationsnetzwerk, sowie computer-programm-produkt hierfür

Info

Publication number
DE60333133D1
DE60333133D1 DE60333133T DE60333133T DE60333133D1 DE 60333133 D1 DE60333133 D1 DE 60333133D1 DE 60333133 T DE60333133 T DE 60333133T DE 60333133 T DE60333133 T DE 60333133T DE 60333133 D1 DE60333133 D1 DE 60333133D1
Authority
DE
Germany
Prior art keywords
search
update function
look
estimated noise
noise power
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.)
Expired - Lifetime
Application number
DE60333133T
Other languages
English (en)
Inventor
Gianmario Bollano
Donato Ettorre
Navarro Rodrigo Pousas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telecom Italia SpA
Original Assignee
Telecom Italia SpA
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 Telecom Italia SpA filed Critical Telecom Italia SpA
Application granted granted Critical
Publication of DE60333133D1 publication Critical patent/DE60333133D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • 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)
  • Noise Elimination (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
DE60333133T 2003-11-12 2003-11-12 Verfahren und schaltung zur rauschschätzung, darauf bezogener filter, dieses benutzendes endgerät und kommunikationsnetzwerk, sowie computer-programm-produkt hierfür Expired - Lifetime DE60333133D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2003/012629 WO2005050623A1 (en) 2003-11-12 2003-11-12 Method and circuit for noise estimation, related filter, terminal and communication network using same, and computer program product therefor

Publications (1)

Publication Number Publication Date
DE60333133D1 true DE60333133D1 (de) 2010-08-05

Family

ID=34610022

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60333133T Expired - Lifetime DE60333133D1 (de) 2003-11-12 2003-11-12 Verfahren und schaltung zur rauschschätzung, darauf bezogener filter, dieses benutzendes endgerät und kommunikationsnetzwerk, sowie computer-programm-produkt hierfür

Country Status (6)

Country Link
US (1) US7613608B2 (de)
EP (1) EP1683134B1 (de)
AT (1) ATE472153T1 (de)
AU (1) AU2003288042A1 (de)
DE (1) DE60333133D1 (de)
WO (1) WO2005050623A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006097886A1 (en) * 2005-03-16 2006-09-21 Koninklijke Philips Electronics N.V. Noise power estimation
US8190440B2 (en) * 2008-02-29 2012-05-29 Broadcom Corporation Sub-band codec with native voice activity detection
US8296135B2 (en) * 2008-04-22 2012-10-23 Electronics And Telecommunications Research Institute Noise cancellation system and method
JP6206271B2 (ja) * 2014-03-17 2017-10-04 株式会社Ｊｖｃケンウッド 雑音低減装置、雑音低減方法及び雑音低減プログラム

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4811404A (en) * 1987-10-01 1989-03-07 Motorola, Inc. Noise suppression system
IL84948A0 (en) * 1987-12-25 1988-06-30 D S P Group Israel Ltd Noise reduction system
US5632003A (en) * 1993-07-16 1997-05-20 Dolby Laboratories Licensing Corporation Computationally efficient adaptive bit allocation for coding method and apparatus
PL174216B1 (pl) * 1993-11-30 1998-06-30 At And T Corp Sposób redukcji w czasie rzeczywistym szumu transmisji mowy
US5768473A (en) 1995-01-30 1998-06-16 Noise Cancellation Technologies, Inc. Adaptive speech filter
FR2771542B1 (fr) * 1997-11-21 2000-02-11 Sextant Avionique Procede de filtrage frequentiel applique au debruitage de signaux sonores mettant en oeuvre un filtre de wiener
US6415253B1 (en) * 1998-02-20 2002-07-02 Meta-C Corporation Method and apparatus for enhancing noise-corrupted speech
US20030018471A1 (en) * 1999-10-26 2003-01-23 Yan Ming Cheng Mel-frequency domain based audible noise filter and method
EP1132896A1 (de) 2000-03-08 2001-09-12 Motorola, Inc. Verfahren zur Frequenzfilterung mittels eines Wiener Filters für die Geräuschunterdrückung von akustischen Signalen
EP1278185A3 (de) 2001-07-13 2005-02-09 Alcatel Verfahren zur Verbesserung von Geräuschunterdrückung bei der Sprachübertragung
DE10137348A1 (de) * 2001-07-31 2003-02-20 Alcatel Sa Verfahren und Schaltungsanordnung zur Geräuschreduktion bei der Sprachübertragung in Kommunikationssystemen
US7478043B1 (en) * 2002-06-05 2009-01-13 Verizon Corporate Services Group, Inc. Estimation of speech spectral parameters in the presence of noise
US6823176B2 (en) * 2002-09-23 2004-11-23 Sony Ericsson Mobile Communications Ab Audio artifact noise masking
AU2003274864A1 (en) * 2003-10-24 2005-05-11 Nokia Corpration Noise-dependent postfiltering

Also Published As

Publication number Publication date
ATE472153T1 (de) 2010-07-15
EP1683134B1 (de) 2010-06-23
AU2003288042A1 (en) 2005-06-08
EP1683134A1 (de) 2006-07-26
US20070055506A1 (en) 2007-03-08
US7613608B2 (en) 2009-11-03
WO2005050623A1 (en) 2005-06-02

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