ATE240576T1 - Geräuschunterdrückung in einem mobil- kommunikationssystem - Google Patents

Geräuschunterdrückung in einem mobil- kommunikationssystem

Info

Publication number
ATE240576T1
ATE240576T1 AT99964836T AT99964836T ATE240576T1 AT E240576 T1 ATE240576 T1 AT E240576T1 AT 99964836 T AT99964836 T AT 99964836T AT 99964836 T AT99964836 T AT 99964836T AT E240576 T1 ATE240576 T1 AT E240576T1
Authority
AT
Austria
Prior art keywords
noise
samples
bumblebee
communication system
mobile communication
Prior art date
Application number
AT99964836T
Other languages
English (en)
Inventor
Hans Cavander
Per Ljungberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE240576T1 publication Critical patent/ATE240576T1/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
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0232—Processing in the frequency domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • 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
    • G10L2021/02085—Periodic noise
    • 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
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L2021/02168—Noise filtering characterised by the method used for estimating noise the estimation exclusively taking place during speech pauses

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Noise Elimination (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT99964836T 1998-12-18 1999-12-03 Geräuschunterdrückung in einem mobil- kommunikationssystem ATE240576T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21535598A 1998-12-18 1998-12-18
PCT/SE1999/002258 WO2000038180A1 (en) 1998-12-18 1999-12-03 Noise suppression in a mobile communications system

Publications (1)

Publication Number Publication Date
ATE240576T1 true ATE240576T1 (de) 2003-05-15

Family

ID=22802657

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99964836T ATE240576T1 (de) 1998-12-18 1999-12-03 Geräuschunterdrückung in einem mobil- kommunikationssystem

Country Status (7)

Country Link
EP (1) EP1141950B1 (de)
JP (1) JP2002533964A (de)
CN (1) CN1192359C (de)
AT (1) ATE240576T1 (de)
AU (1) AU3087900A (de)
DE (1) DE69907967T2 (de)
WO (1) WO2000038180A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020123308A1 (en) * 2001-01-09 2002-09-05 Feltstrom Alberto Jimenez Suppression of periodic interference in a communications system
GB2375027B (en) * 2001-04-24 2003-05-28 Motorola Inc Processing speech signals
US7289626B2 (en) * 2001-05-07 2007-10-30 Siemens Communications, Inc. Enhancement of sound quality for computer telephony systems
GB2381978B (en) * 2001-11-12 2005-09-21 Thales Res Ltd Signal processing method and apparatus
GB0202386D0 (en) * 2002-02-01 2002-03-20 Cedar Audio Ltd Method and apparatus for audio signal processing
NO324318B1 (no) * 2005-04-29 2007-09-24 Tandberg Telecom As Fremgangsmate og anordning for stoydeteksjon.
JP2009539306A (ja) * 2006-05-31 2009-11-12 アギア システムズ インコーポレーテッド 非呼状況での移動体通信デバイスによる雑音低減
WO2009140792A1 (zh) * 2008-05-21 2009-11-26 Lin Han 降低音频干扰的方法及其装置
EP2242185A1 (de) * 2009-04-15 2010-10-20 ST-NXP Wireless France Rauschunterdrückung
US10269369B2 (en) 2017-05-31 2019-04-23 Apple Inc. System and method of noise reduction for a mobile device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE505156C2 (sv) * 1995-01-30 1997-07-07 Ericsson Telefon Ab L M Förfarande för bullerundertryckning genom spektral subtraktion
US5903819A (en) * 1996-03-13 1999-05-11 Ericsson Inc. Noise suppressor circuit and associated method for suppressing periodic interference component portions of a communication signal
FI962965A7 (fi) * 1996-07-25 1998-01-26 Paavo Alku Menetelmä ja laite impulssikohinan poistamiseksi puhesignaalista

Also Published As

Publication number Publication date
JP2002533964A (ja) 2002-10-08
DE69907967T2 (de) 2004-03-11
EP1141950A1 (de) 2001-10-10
DE69907967D1 (de) 2003-06-18
EP1141950B1 (de) 2003-05-14
CN1330790A (zh) 2002-01-09
WO2000038180A1 (en) 2000-06-29
CN1192359C (zh) 2005-03-09
AU3087900A (en) 2000-07-12

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