ATE471557T1 - Spektrum-codierungseinrichtung, spektrum- decodierungseinrichtung, übertragungseinrichtung für akustische signale, empfangseinrichtung für akustische signale und verfahren dafür - Google Patents

Spektrum-codierungseinrichtung, spektrum- decodierungseinrichtung, übertragungseinrichtung für akustische signale, empfangseinrichtung für akustische signale und verfahren dafür

Info

Publication number
ATE471557T1
ATE471557T1 AT04793277T AT04793277T ATE471557T1 AT E471557 T1 ATE471557 T1 AT E471557T1 AT 04793277 T AT04793277 T AT 04793277T AT 04793277 T AT04793277 T AT 04793277T AT E471557 T1 ATE471557 T1 AT E471557T1
Authority
AT
Austria
Prior art keywords
spectrum
acoustic signals
section
coding
receiving
Prior art date
Application number
AT04793277T
Other languages
English (en)
Inventor
Masahiro Oshikiri
Original Assignee
Panasonic 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 Panasonic Corp filed Critical Panasonic Corp
Application granted granted Critical
Publication of ATE471557T1 publication Critical patent/ATE471557T1/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
    • 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
    • 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
    • G10L19/0204—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 using subband decomposition
    • 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

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)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT04793277T 2003-10-23 2004-10-25 Spektrum-codierungseinrichtung, spektrum- decodierungseinrichtung, übertragungseinrichtung für akustische signale, empfangseinrichtung für akustische signale und verfahren dafür ATE471557T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003363080 2003-10-23
PCT/JP2004/016176 WO2005040749A1 (ja) 2003-10-23 2004-10-25 スペクトル符号化装置、スペクトル復号化装置、音響信号送信装置、音響信号受信装置、およびこれらの方法

Publications (1)

Publication Number Publication Date
ATE471557T1 true ATE471557T1 (de) 2010-07-15

Family

ID=34510022

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04793277T ATE471557T1 (de) 2003-10-23 2004-10-25 Spektrum-codierungseinrichtung, spektrum- decodierungseinrichtung, übertragungseinrichtung für akustische signale, empfangseinrichtung für akustische signale und verfahren dafür

Country Status (9)

Country Link
US (4) US7949057B2 (de)
EP (3) EP2221808B1 (de)
JP (3) JP4822843B2 (de)
KR (1) KR20060090995A (de)
CN (3) CN101556800B (de)
AT (1) ATE471557T1 (de)
BR (1) BRPI0415464B1 (de)
DE (1) DE602004027750D1 (de)
WO (1) WO2005040749A1 (de)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7240001B2 (en) * 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
DE602004032587D1 (de) * 2003-09-16 2011-06-16 Panasonic Corp Codierungsvorrichtung und Decodierungsvorrichtung
US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
JP4407538B2 (ja) * 2005-03-03 2010-02-03 ヤマハ株式会社 マイクロフォンアレー用信号処理装置およびマイクロフォンアレーシステム
EP1829424B1 (de) * 2005-04-15 2009-01-21 Dolby Sweden AB Zeitliche hüllkurvenformgebung von entkorrelierten signalen
FR2888699A1 (fr) * 2005-07-13 2007-01-19 France Telecom Dispositif de codage/decodage hierachique
US7562021B2 (en) * 2005-07-15 2009-07-14 Microsoft Corporation Modification of codewords in dictionary used for efficient coding of digital media spectral data
US20100153099A1 (en) * 2005-09-30 2010-06-17 Matsushita Electric Industrial Co., Ltd. Speech encoding apparatus and speech encoding method
US9159333B2 (en) 2006-06-21 2015-10-13 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
KR101390188B1 (ko) * 2006-06-21 2014-04-30 삼성전자주식회사 적응적 고주파수영역 부호화 및 복호화 방법 및 장치
WO2007148925A1 (en) 2006-06-21 2007-12-27 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
EP2115732B1 (de) * 2007-02-01 2015-03-25 Museami, Inc. Musik-transkription
JP4708446B2 (ja) * 2007-03-02 2011-06-22 パナソニック株式会社 符号化装置、復号装置およびそれらの方法
JP5596341B2 (ja) * 2007-03-02 2014-09-24 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 音声符号化装置および音声符号化方法
JP5294713B2 (ja) * 2007-03-02 2013-09-18 パナソニック株式会社 符号化装置、復号装置およびそれらの方法
US8046214B2 (en) * 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
US8249883B2 (en) * 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
EP2218068A4 (de) 2007-11-21 2010-11-24 Lg Electronics Inc Verfahren und vorrichtung zur verarbeitung eines signals
US8423371B2 (en) * 2007-12-21 2013-04-16 Panasonic Corporation Audio encoder, decoder, and encoding method thereof
JPWO2009084221A1 (ja) * 2007-12-27 2011-05-12 パナソニック株式会社 符号化装置、復号装置およびこれらの方法
US9159325B2 (en) * 2007-12-31 2015-10-13 Adobe Systems Incorporated Pitch shifting frequencies
EP2251861B1 (de) 2008-03-14 2017-11-22 Panasonic Intellectual Property Corporation of America Kodiervorrichtung und verfahren dafür
BRPI0904958B1 (pt) 2008-07-11 2020-03-03 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Aparelho e método para calcular dados de extensão de largura de banda usando um quadro controlado por inclinação espectral
CN101604525B (zh) * 2008-12-31 2011-04-06 华为技术有限公司 基音增益获取方法、装置及编码器、解码器
ES3023486T3 (en) 2009-01-16 2025-06-02 Dolby Int Ab Cross product enhanced harmonic transposition
JP5754899B2 (ja) 2009-10-07 2015-07-29 ソニー株式会社 復号装置および方法、並びにプログラム
CN102131081A (zh) * 2010-01-13 2011-07-20 华为技术有限公司 混合维度编解码方法和装置
AU2011226212B2 (en) 2010-03-09 2014-03-27 Dolby International Ab Apparatus and method for processing an input audio signal using cascaded filterbanks
CA2792368C (en) 2010-03-09 2016-04-26 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for handling transient sound events in audio signals when changing the replay speed or pitch
EP2545551B1 (de) 2010-03-09 2017-10-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verbesserte magnitude-antwort und zeitliche angleichung in einer auf phase vocoder basierten bandbreitenerweiterung für audiosignale
JP5850216B2 (ja) 2010-04-13 2016-02-03 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
JP5609737B2 (ja) 2010-04-13 2014-10-22 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
ES2484795T3 (es) * 2010-07-19 2014-08-12 Dolby International Ab Procesamiento de señales de audio durante la reconstrucción de alta frecuencia
JP6075743B2 (ja) 2010-08-03 2017-02-08 ソニー株式会社 信号処理装置および方法、並びにプログラム
JP5707842B2 (ja) 2010-10-15 2015-04-30 ソニー株式会社 符号化装置および方法、復号装置および方法、並びにプログラム
CN103718240B (zh) 2011-09-09 2017-02-15 松下电器（美国）知识产权公司 编码装置、解码装置、编码方法和解码方法
CN103035248B (zh) 2011-10-08 2015-01-21 华为技术有限公司 音频信号编码方法和装置
USRE48258E1 (en) 2011-11-11 2020-10-13 Dolby International Ab Upsampling using oversampled SBR
ES2836194T3 (es) * 2013-06-11 2021-06-24 Fraunhofer Ges Forschung Dispositivo y procedimiento para la extensión de ancho de banda para señales acústicas
FR3008533A1 (fr) * 2013-07-12 2015-01-16 Orange Facteur d'echelle optimise pour l'extension de bande de frequence dans un decodeur de signaux audiofrequences
JP6531649B2 (ja) 2013-09-19 2019-06-19 ソニー株式会社 符号化装置および方法、復号化装置および方法、並びにプログラム
KR102356012B1 (ko) 2013-12-27 2022-01-27 소니그룹주식회사 복호화 장치 및 방법, 및 프로그램
US10013975B2 (en) * 2014-02-27 2018-07-03 Qualcomm Incorporated Systems and methods for speaker dictionary based speech modeling
JP2017520011A (ja) * 2014-04-17 2017-07-20 アウディマックス・エルエルシー 情報損失を減少させた電子通信のためのシステム、方法、および装置
WO2016167215A1 (ja) * 2015-04-13 2016-10-20 日本電信電話株式会社 線形予測符号化装置、線形予測復号装置、これらの方法、プログラム及び記録媒体
TWI568306B (zh) * 2015-10-15 2017-01-21 國立交通大學 裝置配對連線之方法
PL4134953T3 (pl) 2016-04-12 2025-04-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Koder audio do kodowania sygnału audio, sposób kodowania sygnału audio i program komputerowy, z uwzględnieniem wykrytego szczytowego obszaru widmowego w paśmie wyższej częstotliwości

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0685607A (ja) 1992-08-31 1994-03-25 Alpine Electron Inc 高域成分復元装置
US5893068A (en) 1993-06-03 1999-04-06 Nec Corporation Method of expanding a frequency range of a digital audio signal without increasing a sampling rate
JPH06350401A (ja) * 1993-06-03 1994-12-22 Nec Corp ディジタルフィルタ
US5673364A (en) * 1993-12-01 1997-09-30 The Dsp Group Ltd. System and method for compression and decompression of audio signals
JP3483958B2 (ja) 1994-10-28 2004-01-06 三菱電機株式会社 広帯域音声復元装置及び広帯域音声復元方法及び音声伝送システム及び音声伝送方法
JP3301473B2 (ja) * 1995-09-27 2002-07-15 日本電信電話株式会社 広帯域音声信号復元方法
JP3243174B2 (ja) 1996-03-21 2002-01-07 株式会社日立国際電気 狭帯域音声信号の周波数帯域拡張回路
US6345246B1 (en) * 1997-02-05 2002-02-05 Nippon Telegraph And Telephone Corporation Apparatus and method for efficiently coding plural channels of an acoustic signal at low bit rates
US6167375A (en) * 1997-03-17 2000-12-26 Kabushiki Kaisha Toshiba Method for encoding and decoding a speech signal including background noise
SE512719C2 (sv) 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
WO1999003096A1 (en) * 1997-07-11 1999-01-21 Sony Corporation Information decoder and decoding method, information encoder and encoding method, and distribution medium
KR100361883B1 (ko) * 1997-10-03 2003-01-24 마츠시타 덴끼 산교 가부시키가이샤 오디오신호압축방법,오디오신호압축장치,음성신호압축방법,음성신호압축장치,음성인식방법및음성인식장치
JP3765171B2 (ja) * 1997-10-07 2006-04-12 ヤマハ株式会社 音声符号化復号方式
SE9903553D0 (sv) * 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
US6704711B2 (en) 2000-01-28 2004-03-09 Telefonaktiebolaget Lm Ericsson (Publ) System and method for modifying speech signals
JP3538122B2 (ja) * 2000-06-14 2004-06-14 株式会社ケンウッド 周波数補間装置、周波数補間方法及び記録媒体
DE60122397T2 (de) 2000-06-14 2006-12-07 Kabushiki Kaisha Kenwood, Hachiouji Frequenzinterpolationseinrichtung und Frequenzinterpolationsverfahren
JP3576936B2 (ja) * 2000-07-21 2004-10-13 株式会社ケンウッド 周波数補間装置、周波数補間方法及び記録媒体
JP3881836B2 (ja) * 2000-10-24 2007-02-14 株式会社ケンウッド 周波数補間装置、周波数補間方法及び記録媒体
US7346499B2 (en) * 2000-11-09 2008-03-18 Koninklijke Philips Electronics N.V. Wideband extension of telephone speech for higher perceptual quality
JP3887531B2 (ja) * 2000-12-07 2007-02-28 株式会社ケンウッド 信号補間装置、信号補間方法及び記録媒体
US6889182B2 (en) * 2001-01-12 2005-05-03 Telefonaktiebolaget L M Ericsson (Publ) Speech bandwidth extension
DE60233032D1 (de) 2001-03-02 2009-09-03 Panasonic Corp Audio-kodierer und audio-dekodierer
JP4008244B2 (ja) * 2001-03-02 2007-11-14 松下電器産業株式会社 符号化装置および復号化装置
JP4106624B2 (ja) * 2001-06-29 2008-06-25 株式会社ケンウッド 信号の周波数成分を補間するための装置および方法
JP2003108197A (ja) * 2001-07-13 2003-04-11 Matsushita Electric Ind Co Ltd オーディオ信号復号化装置およびオーディオ信号符号化装置
EP1351401B1 (de) * 2001-07-13 2009-01-14 Panasonic Corporation Audiosignaldecodierungseinrichtung und audiosignalcodierungseinrichtung
EP1292036B1 (de) * 2001-08-23 2012-08-01 Nippon Telegraph And Telephone Corporation Verfahren und Vorrichtung zur Decodierung von digitalen Signalen
WO2003019533A1 (en) 2001-08-24 2003-03-06 Kabushiki Kaisha Kenwood Device and method for interpolating frequency components of signal adaptively
KR100935961B1 (ko) * 2001-11-14 2010-01-08 파나소닉 주식회사 부호화 장치 및 복호화 장치
JP3751001B2 (ja) 2002-03-06 2006-03-01 株式会社東芝 オーディオ信号再生方法および再生装置
US7257154B2 (en) * 2002-07-22 2007-08-14 Broadcom Corporation Multiple high-speed bit stream interface circuit
US7515629B2 (en) * 2002-07-22 2009-04-07 Broadcom Corporation Conditioning circuit that spectrally shapes a serviced bit stream

Also Published As

Publication number Publication date
CN101556800B (zh) 2012-05-23
CN101556801A (zh) 2009-10-14
BRPI0415464A (pt) 2006-12-19
CN100507485C (zh) 2009-07-01
US20110196674A1 (en) 2011-08-11
BRPI0415464B1 (pt) 2019-04-24
EP1677088A4 (de) 2008-08-13
US8315322B2 (en) 2012-11-20
JP4822843B2 (ja) 2011-11-24
EP2221807B1 (de) 2013-03-20
BRPI0415464A8 (pt) 2017-06-06
CN101556801B (zh) 2012-06-20
JP2011100159A (ja) 2011-05-19
US20110194635A1 (en) 2011-08-11
US7949057B2 (en) 2011-05-24
CN1871501A (zh) 2006-11-29
US20110196686A1 (en) 2011-08-11
EP2221808B1 (de) 2012-07-11
JP5226091B2 (ja) 2013-07-03
US8208570B2 (en) 2012-06-26
EP2221808A1 (de) 2010-08-25
CN101556800A (zh) 2009-10-14
JPWO2005040749A1 (ja) 2007-04-19
EP2221807A1 (de) 2010-08-25
WO2005040749A1 (ja) 2005-05-06
US20070071116A1 (en) 2007-03-29
JP5226092B2 (ja) 2013-07-03
JP2011100158A (ja) 2011-05-19
EP1677088A1 (de) 2006-07-05
EP1677088B1 (de) 2010-06-16
US8275061B2 (en) 2012-09-25
DE602004027750D1 (de) 2010-07-29
KR20060090995A (ko) 2006-08-17

Similar Documents

Publication Publication Date Title
ATE471557T1 (de) Spektrum-codierungseinrichtung, spektrum- decodierungseinrichtung, übertragungseinrichtung für akustische signale, empfangseinrichtung für akustische signale und verfahren dafür
ATE394774T1 (de) Kodierungs-, dekodierungsvorrichtung und methode dafür
AU2003252727A1 (en) Audio decoding apparatus and audio decoding method based on spectral band repliction
MY152397A (en) Apparatus and method for converting an audio signal into a parameterized representation, apparatus and method for modifying a parameterized representation, apparatus and method for synthesizing a parameterized representation of an audio signal
TW200629937A (en) Low complexity adaptive channel estimation
WO2002015502A3 (en) Adaptive linear equalisation for walsh-modulated
DE602004029333D1 (de) Kommunikationsempfänger mit einem adaptiven entzerrer, welcher kanalschätzung verwendet
WO2002033697A3 (en) Apparatus for bandwidth expansion of a speech signal
PL1735775T3 (pl) Sposób prezentowania wielokanałowych sygnałów audio
WO2004079563A8 (en) Soft information scaling for iterative decoding
WO2004110078A3 (en) Receiver based saturation estimator
EP3968322A3 (de) Frequenzbanderweiterungsvorrichtung und -verfahren, codierungsvorrichtung und -verfahren, decodierungsvorrichtung und -verfahren und programm
KR20110026518A (ko) 수신기 또는 전송기에서 펄스들을 펑쳐링하는 시스템 및 방법
WO2004086817A3 (en) Coding of main and side signal representing a multichannel signal
WO2005020210A3 (en) Method and apparatus for adaptive variable bit rate audio encoding
EP1304843A3 (de) Spitzunterdrückungsverfahren und Daten-Nachrichtengerät
GB2402570B (en) Transmission and reception apparatus,receiver,and reproduction method
TW200631330A (en) Method and apparatus for interference signal code power and noise variance estimation
AU2003212428A1 (en) Apparatus and method of searching for known sequences
ATE268079T1 (de) Verfahren und einrichtung zur entzerrung und dekodierung eines datensignals
MX2007012323A (es) Metodo y aparato para cancelar la interferencia de senales de alta velocidad de datos, de alta potencia.
DE60330810D1 (de) Verfahren zur auswahl eines codierten kanals
WO2005004499A3 (en) A system and method for excluding narrow band noise from a communication channel
ATE545204T1 (de) Variable coder-vorrichtung für die resonanzenergieumwandlung und verfahren
WO2006026198A3 (en) Low-power receiver decoding

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties