HK1069247A1 - Speech bandwidth extension apparatus and speech bandwidth extension method - Google Patents

Speech bandwidth extension apparatus and speech bandwidth extension method

Info

Publication number
HK1069247A1
HK1069247A1 HK05102460A HK05102460A HK1069247A1 HK 1069247 A1 HK1069247 A1 HK 1069247A1 HK 05102460 A HK05102460 A HK 05102460A HK 05102460 A HK05102460 A HK 05102460A HK 1069247 A1 HK1069247 A1 HK 1069247A1
Authority
HK
Hong Kong
Prior art keywords
signal
bandwidth extension
frequency
extended
sound
Prior art date
Application number
HK05102460A
Other languages
English (en)
Inventor
Kazunori Ozawa
Original Assignee
Nec 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 Nec Corp filed Critical Nec Corp
Publication of HK1069247A1 publication Critical patent/HK1069247A1/xx

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
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading 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
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • 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
    • 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
    • G10L15/00—Speech recognition
    • G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
    • G10L2015/025—Phonemes, fenemes or fenones being the recognition units

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
HK05102460A 2001-07-26 2005-03-22 Speech bandwidth extension apparatus and speech bandwidth extension method HK1069247A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001226751A JP2003044098A (ja) 2001-07-26 2001-07-26 音声帯域拡張装置及び音声帯域拡張方法
PCT/JP2002/007605 WO2003010752A1 (fr) 2001-07-26 2002-07-26 Appareil d'elargissement de la largeur de bande vocale et procede d'elargissement de la largeur de bande vocale

Publications (1)

Publication Number Publication Date
HK1069247A1 true HK1069247A1 (en) 2005-05-13

Family

ID=19059514

Family Applications (1)

Application Number Title Priority Date Filing Date
HK05102460A HK1069247A1 (en) 2001-07-26 2005-03-22 Speech bandwidth extension apparatus and speech bandwidth extension method

Country Status (8)

Country Link
US (1) US20040243402A1 (fr)
EP (1) EP1420389A4 (fr)
JP (1) JP2003044098A (fr)
KR (1) KR100615480B1 (fr)
CN (1) CN1270292C (fr)
CA (1) CA2455059A1 (fr)
HK (1) HK1069247A1 (fr)
WO (1) WO2003010752A1 (fr)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4433668B2 (ja) 2002-10-31 2010-03-17 日本電気株式会社 帯域拡張装置及び方法
CN101783141B (zh) * 2003-09-16 2012-06-20 松下电器产业株式会社 编码装置和译码装置
ATE429698T1 (de) * 2004-09-17 2009-05-15 Harman Becker Automotive Sys Bandbreitenerweiterung von bandbegrenzten tonsignalen
US7930176B2 (en) * 2005-05-20 2011-04-19 Broadcom Corporation Packet loss concealment for block-independent speech codecs
DE102005032724B4 (de) * 2005-07-13 2009-10-08 Siemens Ag Verfahren und Vorrichtung zur künstlichen Erweiterung der Bandbreite von Sprachsignalen
JP5055759B2 (ja) * 2005-12-16 2012-10-24 沖電気工業株式会社 帯域変換信号生成器及び帯域拡張装置
EP1979901B1 (fr) * 2006-01-31 2015-10-14 Unify GmbH & Co. KG Procede et dispositifs pour le codage de signaux audio
KR100905585B1 (ko) 2007-03-02 2009-07-02 삼성전자주식회사 음성신호의 대역폭 확장 제어 방법 및 장치
US9177569B2 (en) 2007-10-30 2015-11-03 Samsung Electronics Co., Ltd. Apparatus, medium and method to encode and decode high frequency signal
JP2009180972A (ja) * 2008-01-31 2009-08-13 Panasonic Corp オーディオレジューム再生装置及びオーディオレジューム再生方法
USRE47180E1 (en) 2008-07-11 2018-12-25 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating a bandwidth extended signal
US8880410B2 (en) 2008-07-11 2014-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating a bandwidth extended signal
US8831958B2 (en) * 2008-09-25 2014-09-09 Lg Electronics Inc. Method and an apparatus for a bandwidth extension using different schemes
CN101436407B (zh) * 2008-12-22 2011-08-24 西安电子科技大学 音频编解码方法
JP5493655B2 (ja) * 2009-09-29 2014-05-14 沖電気工業株式会社 音声帯域拡張装置および音声帯域拡張プログラム
US8484020B2 (en) * 2009-10-23 2013-07-09 Qualcomm Incorporated Determining an upperband signal from a narrowband signal
SG185606A1 (en) * 2010-05-25 2012-12-28 Nokia Corp A bandwidth extender
US9313334B2 (en) 2010-06-17 2016-04-12 Telefonaktiebolaget Lm Ericsson (Publ) Bandwidth extension in a multipoint conference unit
JP5596618B2 (ja) * 2011-05-17 2014-09-24 日本電信電話株式会社 擬似広帯域音声信号生成装置、擬似広帯域音声信号生成方法、及びそのプログラム
JP5862679B2 (ja) * 2011-11-24 2016-02-16 トヨタ自動車株式会社 音源検出装置
CN105761724B (zh) * 2012-03-01 2021-02-09 华为技术有限公司 一种语音频信号处理方法和装置
CN105469805B (zh) 2012-03-01 2018-01-12 华为技术有限公司 一种语音频信号处理方法和装置
US9258428B2 (en) 2012-12-18 2016-02-09 Cisco Technology, Inc. Audio bandwidth extension for conferencing
CN103971694B (zh) 2013-01-29 2016-12-28 华为技术有限公司 带宽扩展频带信号的预测方法、解码设备
CN103971693B (zh) 2013-01-29 2017-02-22 华为技术有限公司 高频带信号的预测方法、编/解码设备
CN104217727B (zh) * 2013-05-31 2017-07-21 华为技术有限公司 信号解码方法及设备
US9666202B2 (en) 2013-09-10 2017-05-30 Huawei Technologies Co., Ltd. Adaptive bandwidth extension and apparatus for the same
KR101701623B1 (ko) * 2015-07-09 2017-02-13 라인 가부시키가이샤 VoIP 통화음성 대역폭 감소를 은닉하는 시스템 및 방법
JP6496030B2 (ja) * 2015-09-16 2019-04-03 株式会社東芝 音声処理装置、音声処理方法及び音声処理プログラム
CN105513590A (zh) * 2015-11-23 2016-04-20 百度在线网络技术（北京）有限公司 语音识别的方法和装置
KR20240079548A (ko) 2022-11-29 2024-06-05 주식회사 포스코 마찰유동접합장치, 마찰유동접합방법, 및 마찰유동접합체

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1763020A3 (fr) * 1991-06-11 2010-09-29 Qualcomm Incorporated Vocodeur à vitesse variable
US5455888A (en) * 1992-12-04 1995-10-03 Northern Telecom Limited Speech bandwidth extension method and apparatus
EP0732687B2 (fr) * 1995-03-13 2005-10-12 Matsushita Electric Industrial Co., Ltd. Dispositif d'extension de la largeur de bande d'un signal de parole
CA2177413A1 (fr) * 1995-06-07 1996-12-08 Yair Shoham Affaiblissement du gain durant l'effacement des blocs
US5699485A (en) * 1995-06-07 1997-12-16 Lucent Technologies Inc. Pitch delay modification during frame erasures
US5732389A (en) * 1995-06-07 1998-03-24 Lucent Technologies Inc. Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures
JP3613303B2 (ja) * 1996-08-08 2005-01-26 富士通株式会社 音声情報圧縮蓄積方法及び装置
JP3335852B2 (ja) * 1996-09-26 2002-10-21 株式会社東芝 聴覚特性を利用した音声符号化方法、ゲイン制御方法およびゲイン符号化／復号化方法
JP3531780B2 (ja) * 1996-11-15 2004-05-31 日本電信電話株式会社 音声符号化方法および復号化方法
JP3684751B2 (ja) * 1997-03-28 2005-08-17 ソニー株式会社 信号符号化方法及び装置
EP0945852A1 (fr) * 1998-03-25 1999-09-29 BRITISH TELECOMMUNICATIONS public limited company Synthèse de la parole
JP4308345B2 (ja) * 1998-08-21 2009-08-05 パナソニック株式会社 マルチモード音声符号化装置及び復号化装置
US6173257B1 (en) * 1998-08-24 2001-01-09 Conexant Systems, Inc Completed fixed codebook for speech encoder
CA2252170A1 (fr) * 1998-10-27 2000-04-27 Bruno Bessette Methode et dispositif pour le codage de haute qualite de la parole fonctionnant sur une bande large et de signaux audio
US6993480B1 (en) * 1998-11-03 2006-01-31 Srs Labs, Inc. Voice intelligibility enhancement system
EP1147515A1 (fr) * 1999-11-10 2001-10-24 Koninklijke Philips Electronics N.V. Synthese vocale a large bande au moyen d'une matrice de mise en correspondance
US6704711B2 (en) * 2000-01-28 2004-03-09 Telefonaktiebolaget Lm Ericsson (Publ) System and method for modifying speech signals

Also Published As

Publication number Publication date
EP1420389A1 (fr) 2004-05-19
JP2003044098A (ja) 2003-02-14
US20040243402A1 (en) 2004-12-02
EP1420389A4 (fr) 2005-11-02
WO2003010752A1 (fr) 2003-02-06
CA2455059A1 (fr) 2003-02-06
KR20040028932A (ko) 2004-04-03
KR100615480B1 (ko) 2006-08-25
CN1535459A (zh) 2004-10-06
CN1270292C (zh) 2006-08-16

Similar Documents

Publication Publication Date Title
HK1069247A1 (en) Speech bandwidth extension apparatus and speech bandwidth extension method
EP0770988B1 (fr) Procédé de décodage de la parole et terminal portable
CA2156593C (fr) Post-filtre et methode connexe
US7225001B1 (en) System and method for distributed noise suppression
WO2002019319A1 (fr) Dispositif de traitement vocal et procede de traitement vocal
WO2000017859A8 (fr) Suppression du bruit pour codeur vocal a faible debit binaire
CA2346251A1 (fr) Procede et systeme de mise a jour d'evaluations de bruit lors des pauses dans un signal d'informations
UA41913C2 (uk) Спосіб шумозаглушення у системах зв'язку
EP2268036A3 (fr) Méthode de codage et décodage d'un signal vidéo
KR960032911A (ko) 오디오 신호 압축 방법
US20080164942A1 (en) Audio data processing apparatus, terminal, and method of audio data processing
EP1511011A3 (fr) Procédé et dispositif pour la reconnaissance robuste de la parole
US7330813B2 (en) Speech processing apparatus and mobile communication terminal
JPS63142399A (ja) 音声分析合成方法及び装置
US8311816B2 (en) Noise shaping for predictive audio coding apparatus
JP2007206691A (ja) スピーチ信号のスペクトル帯域幅を拡張する方法およびそのシステム
CA2324898A1 (fr) Methode et dispositif de decodage de signal vocal, methode et dispositif de codage/de decodage de signal vocal et produit logiciel correspondant
GB2342829A (en) Postfilter
ATE226002T1 (de) Bildrauschverringerungssystem
US6141639A (en) Method and apparatus for coding of signals containing speech and background noise
WO1999041737A8 (fr) Procede et appareil permettant de determiner a grande vitesse un vecteur optimal dans une liste de codage fixe
JP2004302257A (ja) 長期ポストフィルタ
CA2037326A1 (fr) Appareil de transmission de signaux vocaux
CA2373479A1 (fr) Dispositif de codage/decodage de la voix et codage des parties non vocales, procede de decodage, et support enregistre d'enregistrement de programme
CN102054482B (zh) 一种语音信号增强的方法和装置

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20110726