DE60128479D1 - Verfahren und vorrichtung zur bestimmung eines synthetischen höheren bandsignals in einem sprachkodierer - Google Patents

Verfahren und vorrichtung zur bestimmung eines synthetischen höheren bandsignals in einem sprachkodierer

Info

Publication number
DE60128479D1
DE60128479D1 DE60128479T DE60128479T DE60128479D1 DE 60128479 D1 DE60128479 D1 DE 60128479D1 DE 60128479 T DE60128479 T DE 60128479T DE 60128479 T DE60128479 T DE 60128479T DE 60128479 D1 DE60128479 D1 DE 60128479D1
Authority
DE
Germany
Prior art keywords
frequency band
signal
artificial
codier
language
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
DE60128479T
Other languages
English (en)
Other versions
DE60128479T2 (de
Inventor
Jani Rotola-Pukkila
Hannu J Mikkola
Janne Vainio
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Oyj filed Critical Nokia Oyj
Application granted granted Critical
Publication of DE60128479D1 publication Critical patent/DE60128479D1/de
Publication of DE60128479T2 publication Critical patent/DE60128479T2/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
    • 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)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DE60128479T 2000-10-18 2001-08-31 Verfahren und vorrichtung zur bestimmung eines synthetischen höheren bandsignals in einem sprachkodierer Expired - Lifetime DE60128479T2 (de)

Applications Claiming Priority (3)

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
US691323 2000-10-18
PCT/IB2001/001596 WO2002033696A1 (en) 2000-10-18 2001-08-31 Method and system for estimating artificial high band signal in speech codec

Publications (2)

Publication Number Publication Date
DE60128479D1 true DE60128479D1 (de) 2007-06-28
DE60128479T2 DE60128479T2 (de) 2008-02-14

Family

ID=24776068

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60128479T Expired - Lifetime DE60128479T2 (de) 2000-10-18 2001-08-31 Verfahren und vorrichtung zur bestimmung eines synthetischen höheren bandsignals in einem sprachkodierer

Country Status (15)

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

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7263481B2 (en) * 2003-01-09 2007-08-28 Dilithium Networks Pty Limited Method and apparatus for improved quality voice transcoding
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
RU2007107348A (ru) * 2004-08-31 2008-09-10 Мацусита Электрик Индастриал Ко., Лтд. (Jp) Устройство и способ генерирования стереосигнала
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
US8086451B2 (en) * 2005-04-20 2011-12-27 Qnx Software Systems Co. System for improving speech intelligibility through high frequency compression
US7813931B2 (en) * 2005-04-20 2010-10-12 QNX Software Systems, Co. System for improving speech quality and intelligibility with bandwidth compression/expansion
US8249861B2 (en) * 2005-04-20 2012-08-21 Qnx Software Systems Limited High frequency compression integration
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
ATE501505T1 (de) * 2006-04-27 2011-03-15 Panasonic Corp Audiocodierungseinrichtung, audiodecodierungseinrichtung und verfahren dafür
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
EP2132731B1 (de) * 2007-03-05 2015-07-22 Telefonaktiebolaget LM Ericsson (publ) Verfahren und anordnung zur glättung von stationärem hintergrundrauschen
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
CN108053830B (zh) * 2012-08-29 2021-12-07 日本电信电话株式会社 解码方法、解码装置、和计算机可读取的记录介质
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
TR201908919T4 (tr) * 2013-01-29 2019-07-22 Fraunhofer Ges Forschung Celp benzeri kodlayıcılar için yan bilgi olmadan gürültü doldurumu.
US10978083B1 (en) * 2019-11-13 2021-04-13 Shure Acquisition Holdings, Inc. Time domain spectral bandwidth replication

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5235669A (en) 1990-06-29 1993-08-10 At&T Laboratories Low-delay code-excited linear-predictive coding of wideband speech at 32 kbits/sec
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
JPH08102687A (ja) * 1994-09-29 1996-04-16 Yamaha Corp 音声送受信方式
JP2638522B2 (ja) * 1994-11-01 1997-08-06 日本電気株式会社 音声符号化装置
FI980132A (fi) 1998-01-21 1999-07-22 Nokia Mobile Phones Ltd Adaptoituva jälkisuodatin
US6453289B1 (en) * 1998-07-24 2002-09-17 Hughes Electronics Corporation Method of noise reduction for speech codecs
CA2252170A1 (en) * 1998-10-27 2000-04-27 Bruno Bessette A method and device for high quality coding of wideband speech and audio signals
KR20000047944A (ko) 1998-12-11 2000-07-25 이데이 노부유끼 수신장치 및 방법과 통신장치 및 방법
JP2000181495A (ja) * 1998-12-11 2000-06-30 Sony Corp 受信装置及び方法、通信装置及び方法
JP4135240B2 (ja) * 1998-12-14 2008-08-20 ソニー株式会社 受信装置及び方法、通信装置及び方法
JP2000181494A (ja) * 1998-12-11 2000-06-30 Sony Corp 受信装置及び方法、通信装置及び方法
JP2000206997A (ja) * 1999-01-13 2000-07-28 Sony Corp 受信装置及び方法、通信装置及び方法
JP4135242B2 (ja) * 1998-12-18 2008-08-20 ソニー株式会社 受信装置及び方法、通信装置及び方法

Also Published As

Publication number Publication date
BRPI0114706B1 (pt) 2016-03-01
CA2426001C (en) 2006-04-25
US6691085B1 (en) 2004-02-10
JP2009069856A (ja) 2009-04-02
PT1328927E (pt) 2007-06-14
BR0114706A (pt) 2005-01-11
WO2002033696B1 (en) 2002-07-25
ES2287150T3 (es) 2007-12-16
DE60128479T2 (de) 2008-02-14
CN1295677C (zh) 2007-01-17
ATE362634T1 (de) 2007-06-15
DK1328927T3 (da) 2007-07-16
JP2004537739A (ja) 2004-12-16
CA2426001A1 (en) 2002-04-25
KR20040005838A (ko) 2004-01-16
KR100544731B1 (ko) 2006-01-23
JP4302978B2 (ja) 2009-07-29
EP1328927B1 (de) 2007-05-16
EP1328927A1 (de) 2003-07-23
EP1772856A1 (de) 2007-04-11
WO2002033696A1 (en) 2002-04-25
ZA200302465B (en) 2004-08-13
CN1484824A (zh) 2004-03-24
AU2001284327A1 (en) 2002-04-29

Similar Documents

Publication Publication Date Title
DE60128479D1 (de) Verfahren und vorrichtung zur bestimmung eines synthetischen höheren bandsignals in einem sprachkodierer
Goldberg A practical handbook of speech coders
DE60309142D1 (de) Vorrichtung zur bestimmung von parametern eines gauss'schen mischungmodells (gmm) oder eines gmm basierten hidden markov modells
DE60137376D1 (de) Verfahren und Vorrichtung zur prädiktiven Quantisierung von stimmhaften Sprachsignalen
DE602004007786D1 (de) Verfahren und vorrichtung zur quantisierung des verstärkungsfaktors in einem breitbandsprachkodierer mit variabler bitrate
ATE15415T1 (de) Verfahren und vorrichtung zur redundanzvermindernden digitalen sprachverarbeitung.
ATE265083T1 (de) Verfahren und vorrichtung zum unterscheidenden training von akustischen modellen in einem spracherkennungssystem
DE59705581D1 (de) Verfahren zur anpassung eines hidden-markov-lautmodelles in einem spracherkennungssystem
DE69609099T2 (de) Verfahren zur Modifikation von LPC-Koeffizienten von akustischen Signalen
DE69720087D1 (de) Verfahren und Vorrichtung zur Unterdrückung von Hintergrundmusik oder -geräuschen im Eingangssignal eines Spracherkenners
DE60325881D1 (de) Verfahren zum betreiben eines spracherkennungssystemes
DE60109956D1 (de) Vorrichtung und verfahren zur telefonie-basierten spracherkennung für das bereitstellen von informationen zum sortieren von poststücken und paketen.
DE60117558D1 (de) Verfahren zur rauschrobusten klassifikation in der sprachkodierung
ATE322068T1 (de) Verfahren und vorrichtung zur verschachtelung der quantisierungsverfahren der spektralen frequenzlinien in einem sprachkodierer
EP1093112A3 (de) Verfahren zur Erzeugung von Sprachmerkmalsignalen und Vorrichtung zu seiner Durchführung
DE69601068D1 (de) Verfahren zur sprachkodierung mittels analyse durch synthese
DE60233238D1 (de) Verfahren und vorrichtung zur codierung aufeinanderfolgender grundperioden in einem sprachsignal
DE69905152D1 (de) Vorrichtung und verfahren zur verbesserung der qualität kodierter sprache mittels hintergrundrauschen
DE3882805T2 (de) Verfahren zur Ermittlung von Merkmalen und Spracherkennung und Erkennungseinrichtung.
ATE450856T1 (de) Verfahren zur kodierung von prosodie für die sprachkodierung mit sehr niedriger datenrate
DE50202281D1 (de) Verfahren zur bestimmung von intensitätskennwerten von hintergrundgeräuschen in sprachpausen von sprachsignalen
ATE368280T1 (de) Verfahren zur verbesserung der sprachqualität bei sprachübertragungsaufgaben
JP3190231B2 (ja) 有声音信号のピッチ周期抽出装置およびピッチ周期抽出方法
DE173986T1 (de) Verfahren und vorrichtung zur erkennung von wortfolgen, die zu kleinen vokabularien gehoeren, ohne vorausgehendes training.
Mathew et al. A study of low bit-rate linear prediction based speech coders for Indian dialects

Legal Events

Date Code Title Description
8364 No opposition during term of opposition