DK1157377T3 - Taleforbedring med forstærkningsbegrænsninger baseret på taleaktivitet - Google Patents

Taleforbedring med forstærkningsbegrænsninger baseret på taleaktivitet

Info

Publication number
DK1157377T3
DK1157377T3 DK00913413T DK00913413T DK1157377T3 DK 1157377 T3 DK1157377 T3 DK 1157377T3 DK 00913413 T DK00913413 T DK 00913413T DK 00913413 T DK00913413 T DK 00913413T DK 1157377 T3 DK1157377 T3 DK 1157377T3
Authority
DK
Denmark
Prior art keywords
speech
gain
lower limit
data
noise
Prior art date
Application number
DK00913413T
Other languages
Danish (da)
English (en)
Inventor
Richard Vandervoort Cox
Ranier Martin
Original Assignee
At & T Corp
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 At & T Corp filed Critical At & T Corp
Application granted granted Critical
Publication of DK1157377T3 publication Critical patent/DK1157377T3/da

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
    • 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
    • G10L19/04—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 using predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Machine Translation (AREA)
  • Telephone Function (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DK00913413T 1999-02-09 2000-02-09 Taleforbedring med forstærkningsbegrænsninger baseret på taleaktivitet DK1157377T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11927999P 1999-02-09 1999-02-09
US09/499,985 US6604071B1 (en) 1999-02-09 2000-02-08 Speech enhancement with gain limitations based on speech activity
PCT/US2000/003372 WO2000048171A1 (fr) 1999-02-09 2000-02-09 Amelioration de la qualite de la parole avec limitations de gain reposant sur une emission de parole

Publications (1)

Publication Number Publication Date
DK1157377T3 true DK1157377T3 (da) 2007-04-10

Family

ID=26817182

Family Applications (1)

Application Number Title Priority Date Filing Date
DK00913413T DK1157377T3 (da) 1999-02-09 2000-02-09 Taleforbedring med forstærkningsbegrænsninger baseret på taleaktivitet

Country Status (12)

Country Link
US (2) US6604071B1 (fr)
EP (2) EP1157377B1 (fr)
JP (2) JP4173641B2 (fr)
KR (2) KR100828962B1 (fr)
AT (1) ATE357724T1 (fr)
BR (1) BR0008033A (fr)
CA (2) CA2476248C (fr)
DE (1) DE60034026T2 (fr)
DK (1) DK1157377T3 (fr)
ES (1) ES2282096T3 (fr)
HK (1) HK1098241A1 (fr)
WO (1) WO2000048171A1 (fr)

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US8645129B2 (en) * 2008-05-12 2014-02-04 Broadcom Corporation Integrated speech intelligibility enhancement system and acoustic echo canceller
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KR20090122143A (ko) * 2008-05-23 2009-11-26 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
US8914282B2 (en) * 2008-09-30 2014-12-16 Alon Konchitsky Wind noise reduction
US20100082339A1 (en) * 2008-09-30 2010-04-01 Alon Konchitsky Wind Noise Reduction
KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
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Also Published As

Publication number Publication date
CA2362584A1 (fr) 2000-08-17
HK1098241A1 (zh) 2007-07-13
US20020029141A1 (en) 2002-03-07
ATE357724T1 (de) 2007-04-15
DE60034026T2 (de) 2007-12-13
JP2007004202A (ja) 2007-01-11
EP1157377B1 (fr) 2007-03-21
JP4512574B2 (ja) 2010-07-28
CA2476248C (fr) 2009-10-06
US6542864B2 (en) 2003-04-01
CA2362584C (fr) 2008-01-08
KR100828962B1 (ko) 2008-05-14
JP4173641B2 (ja) 2008-10-29
KR100752529B1 (ko) 2007-08-29
DE60034026D1 (de) 2007-05-03
ES2282096T3 (es) 2007-10-16
EP1724758A3 (fr) 2007-08-01
BR0008033A (pt) 2002-01-22
EP1724758A2 (fr) 2006-11-22
EP1157377A1 (fr) 2001-11-28
WO2000048171A8 (fr) 2001-04-05
US6604071B1 (en) 2003-08-05
KR20010102017A (ko) 2001-11-15
WO2000048171A1 (fr) 2000-08-17
JP2002536707A (ja) 2002-10-29
CA2476248A1 (fr) 2000-08-17
KR20060110377A (ko) 2006-10-24
EP1724758B1 (fr) 2016-04-27
WO2000048171A9 (fr) 2001-09-20

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