DK1328927T3 - Fremgangsmåde og system til estimering af kunstigt höjbåndssignal i tale-codec - Google Patents

Fremgangsmåde og system til estimering af kunstigt höjbåndssignal i tale-codec

Info

Publication number
DK1328927T3
DK1328927T3 DK01963303T DK01963303T DK1328927T3 DK 1328927 T3 DK1328927 T3 DK 1328927T3 DK 01963303 T DK01963303 T DK 01963303T DK 01963303 T DK01963303 T DK 01963303T DK 1328927 T3 DK1328927 T3 DK 1328927T3
Authority
DK
Denmark
Prior art keywords
frequency band
signal
artificial
speech
decoding
Prior art date
Application number
DK01963303T
Other languages
Danish (da)
English (en)
Inventor
Jani Rotola-Pukkila
Hannu J Mikkola
Janne Vainio
Original Assignee
Nokia 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 Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of DK1328927T3 publication Critical patent/DK1328927T3/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
    • 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
    • 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
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DK01963303T 2000-10-18 2001-08-31 Fremgangsmåde og system til estimering af kunstigt höjbåndssignal i tale-codec DK1328927T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/691,323 US6691085B1 (en) 2000-10-18 2000-10-18 Method and system for estimating artificial high band signal in speech codec using voice activity information
PCT/IB2001/001596 WO2002033696A1 (en) 2000-10-18 2001-08-31 Method and system for estimating artificial high band signal in speech codec

Publications (1)

Publication Number Publication Date
DK1328927T3 true DK1328927T3 (da) 2007-07-16

Family

ID=24776068

Family Applications (1)

Application Number Title Priority Date Filing Date
DK01963303T DK1328927T3 (da) 2000-10-18 2001-08-31 Fremgangsmåde og system til estimering af kunstigt höjbåndssignal i tale-codec

Country Status (15)

Country Link
US (1) US6691085B1 (pt)
EP (2) EP1328927B1 (pt)
JP (2) JP4302978B2 (pt)
KR (1) KR100544731B1 (pt)
CN (1) CN1295677C (pt)
AT (1) ATE362634T1 (pt)
AU (1) AU2001284327A1 (pt)
BR (1) BRPI0114706B1 (pt)
CA (1) CA2426001C (pt)
DE (1) DE60128479T2 (pt)
DK (1) DK1328927T3 (pt)
ES (1) ES2287150T3 (pt)
PT (1) PT1328927E (pt)
WO (1) WO2002033696A1 (pt)
ZA (1) ZA200302465B (pt)

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KR100940531B1 (ko) * 2003-07-16 2010-02-10 삼성전자주식회사 광대역 음성 신호 압축 및 복원 장치와 그 방법
KR20050027179A (ko) * 2003-09-13 2005-03-18 삼성전자주식회사 오디오 데이터 복원 방법 및 그 장치
KR20070056081A (ko) * 2004-08-31 2007-05-31 마츠시타 덴끼 산교 가부시키가이샤 스테레오 신호 생성 장치 및 스테레오 신호 생성 방법
KR100707174B1 (ko) 2004-12-31 2007-04-13 삼성전자주식회사 광대역 음성 부호화 및 복호화 시스템에서 고대역 음성부호화 및 복호화 장치와 그 방법
JP5046654B2 (ja) * 2005-01-14 2012-10-10 パナソニック株式会社 スケーラブル復号装置及びスケーラブル復号方法
US8249861B2 (en) * 2005-04-20 2012-08-21 Qnx Software Systems Limited High frequency compression integration
US7813931B2 (en) * 2005-04-20 2010-10-12 QNX Software Systems, Co. System for improving speech quality and intelligibility with bandwidth compression/expansion
US8086451B2 (en) 2005-04-20 2011-12-27 Qnx Software Systems Co. System for improving speech intelligibility through high frequency compression
US7546237B2 (en) * 2005-12-23 2009-06-09 Qnx Software Systems (Wavemakers), Inc. Bandwidth extension of narrowband speech
KR100653643B1 (ko) * 2006-01-26 2006-12-05 삼성전자주식회사 하모닉과 비하모닉의 비율을 이용한 피치 검출 방법 및피치 검출 장치
EP2323131A1 (en) * 2006-04-27 2011-05-18 Panasonic Corporation Audio encoding device, audio decoding device, and their method
JP4967618B2 (ja) * 2006-11-24 2012-07-04 富士通株式会社 復号化装置および復号化方法
EP2945158B1 (en) * 2007-03-05 2019-12-25 Telefonaktiebolaget LM Ericsson (publ) Method and arrangement for smoothing of stationary background noise
CN100524462C (zh) * 2007-09-15 2009-08-05 华为技术有限公司 对高带信号进行帧错误隐藏的方法及装置
CN100555414C (zh) * 2007-11-02 2009-10-28 华为技术有限公司 一种dtx判决方法和装置
KR101444099B1 (ko) * 2007-11-13 2014-09-26 삼성전자주식회사 음성 구간 검출 방법 및 장치
KR101235830B1 (ko) 2007-12-06 2013-02-21 한국전자통신연구원 음성코덱의 품질향상장치 및 그 방법
CN103187065B (zh) 2011-12-30 2015-12-16 华为技术有限公司 音频数据的处理方法、装置和系统
JP5443547B2 (ja) * 2012-06-27 2014-03-19 株式会社東芝 信号処理装置
WO2014034697A1 (ja) * 2012-08-29 2014-03-06 日本電信電話株式会社 復号方法、復号装置、プログラム、及びその記録媒体
CN105976830B (zh) 2013-01-11 2019-09-20 华为技术有限公司 音频信号编码和解码方法、音频信号编码和解码装置
CN117392990A (zh) * 2013-01-29 2024-01-12 弗劳恩霍夫应用研究促进协会 用于码激励线性预测类编码器的无边信息的噪声填充
US10978083B1 (en) * 2019-11-13 2021-04-13 Shure Acquisition Holdings, Inc. Time domain spectral bandwidth replication

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JP2779886B2 (ja) * 1992-10-05 1998-07-23 日本電信電話株式会社 広帯域音声信号復元方法
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Also Published As

Publication number Publication date
JP2009069856A (ja) 2009-04-02
ATE362634T1 (de) 2007-06-15
ZA200302465B (en) 2004-08-13
EP1328927A1 (en) 2003-07-23
US6691085B1 (en) 2004-02-10
DE60128479T2 (de) 2008-02-14
EP1772856A1 (en) 2007-04-11
WO2002033696A1 (en) 2002-04-25
BRPI0114706B1 (pt) 2016-03-01
CA2426001C (en) 2006-04-25
EP1328927B1 (en) 2007-05-16
CN1295677C (zh) 2007-01-17
AU2001284327A1 (en) 2002-04-29
KR20040005838A (ko) 2004-01-16
BR0114706A (pt) 2005-01-11
KR100544731B1 (ko) 2006-01-23
WO2002033696B1 (en) 2002-07-25
JP4302978B2 (ja) 2009-07-29
PT1328927E (pt) 2007-06-14
CN1484824A (zh) 2004-03-24
JP2004537739A (ja) 2004-12-16
CA2426001A1 (en) 2002-04-25
DE60128479D1 (de) 2007-06-28
ES2287150T3 (es) 2007-12-16

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