DE602004027750D1 - 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
DE602004027750D1
DE602004027750D1 DE602004027750T DE602004027750T DE602004027750D1 DE 602004027750 D1 DE602004027750 D1 DE 602004027750D1 DE 602004027750 T DE602004027750 T DE 602004027750T DE 602004027750 T DE602004027750 T DE 602004027750T DE 602004027750 D1 DE602004027750 D1 DE 602004027750D1
Authority
DE
Germany
Prior art keywords
spectrum
acoustic signals
section
method therefor
reception
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.)
Active
Application number
DE602004027750T
Other languages
English (en)
Inventor
Masahiro Oshikiri
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.)
Panasonic Corp
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
Publication of DE602004027750D1 publication Critical patent/DE602004027750D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE602004027750T 2003-10-23 2004-10-25 Spektrum-codierungseinrichtung, spektrum-decodierungseinrichtung, übertragungseinrichtung für akustische signale, empfangseinrichtung für akustische signale und verfahren dafür Active DE602004027750D1 (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
DE602004027750D1 true DE602004027750D1 (de) 2010-07-29

Family

ID=34510022

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004027750T Active DE602004027750D1 (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 (48)

* 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
US7844451B2 (en) * 2003-09-16 2010-11-30 Panasonic Corporation Spectrum coding/decoding apparatus and method for reducing distortion of two band spectrums
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
DE602006004959D1 (de) * 2005-04-15 2009-03-12 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
WO2007037359A1 (ja) * 2005-09-30 2007-04-05 Matsushita Electric Industrial Co., Ltd. 音声符号化装置および音声符号化方法
US9159333B2 (en) 2006-06-21 2015-10-13 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
WO2007148925A1 (en) 2006-06-21 2007-12-27 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
ES2539813T3 (es) * 2007-02-01 2015-07-06 Museami, Inc. Transcripción de música
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
US8364472B2 (en) 2007-03-02 2013-01-29 Panasonic Corporation Voice encoding device and voice encoding method
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
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
EP2224432B1 (de) * 2007-12-21 2017-03-15 Panasonic Intellectual Property Corporation of America Encoder, decoder und kodierungsverfahren
US20100280833A1 (en) * 2007-12-27 2010-11-04 Panasonic Corporation Encoding device, decoding device, and method thereof
US9159325B2 (en) * 2007-12-31 2015-10-13 Adobe Systems Incorporated Pitch shifting frequencies
JP5449133B2 (ja) 2008-03-14 2014-03-19 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
JP5010743B2 (ja) * 2008-07-11 2012-08-29 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン スペクトル傾斜で制御されたフレーミングを使用して帯域拡張データを計算するための装置及び方法
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
CA3231911A1 (en) 2009-01-16 2010-07-22 Dolby International 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
CN103038819B (zh) * 2010-03-09 2015-02-18 弗兰霍菲尔运输应用研究公司 用以使用补丁边界对准处理输入音频信号的装置及方法
WO2011110496A1 (en) 2010-03-09 2011-09-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for handling transient sound events in audio signals when changing the replay speed or pitch
ES2655085T3 (es) 2010-03-09 2018-02-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Respuesta de magnitud y alineamiento temporal mejorado en la extensión de ancho de banda basado en un vocodificador de fase para señales de audio
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
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
KR101709095B1 (ko) 2010-07-19 2017-03-08 돌비 인터네셔널 에이비 고주파 복원 동안 오디오 신호들의 프로세싱
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
US9384749B2 (en) * 2011-09-09 2016-07-05 Panasonic Intellectual Property Corporation Of America Encoding device, decoding device, encoding method and decoding method
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
JP6155274B2 (ja) * 2011-11-11 2017-06-28 ドルビー・インターナショナル・アーベー 過剰サンプリングされたｓｂｒを使ったアップサンプリング
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
CN105531762B (zh) 2013-09-19 2019-10-01 索尼公司 编码装置和方法、解码装置和方法以及程序
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
KR20160145711A (ko) * 2014-04-17 2016-12-20 아우디맥스, 엘엘씨 정보 손실을 감소시킨 전자 통신들을 위한 시스템들, 방법들 및 디바이스들
JP6517924B2 (ja) * 2015-04-13 2019-05-22 日本電信電話株式会社 線形予測符号化装置、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
CA3019506C (en) 2016-04-12 2021-01-19 Markus Multrus Audio encoder for encoding an audio signal, method for encoding an audio signal and computer program under consideration of a detected peak spectral region in an upper frequency band

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
JPH06350401A (ja) 1993-06-03 1994-12-22 Nec Corp ディジタルフィルタ
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
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 (fr) * 1997-07-11 1999-01-21 Sony Corporation Procede et dispositif de codage et decodage d'informations et support de distribution
EP0907258B1 (de) * 1997-10-03 2007-01-03 Matsushita Electric Industrial Co., Ltd. Audiosignalkompression, Sprachsignalkompression und Spracherkennung
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
AU2001262748A1 (en) * 2000-06-14 2001-12-24 Kabushiki Kaisha Kenwood Frequency interpolating device and frequency interpolating method
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
CN1232951C (zh) * 2001-03-02 2005-12-21 松下电器产业株式会社 编码装置和译码装置
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
WO2003003345A1 (fr) * 2001-06-29 2003-01-09 Kabushiki Kaisha Kenwood Dispositif et procede d'interpolation des composantes de frequence d'un signal
DE60230856D1 (de) * 2001-07-13 2009-03-05 Panasonic Corp Audiosignaldecodierungseinrichtung und audiosignalcodierungseinrichtung
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
EP1292036B1 (de) * 2001-08-23 2012-08-01 Nippon Telegraph And Telephone Corporation Verfahren und Vorrichtung zur Decodierung von digitalen Signalen
WO2003019533A1 (fr) 2001-08-24 2003-03-06 Kabushiki Kaisha Kenwood Dispositif et procede d'interpolation adaptive de composantes de frequence d'un signal
EP1444688B1 (de) * 2001-11-14 2006-08-16 Matsushita Electric Industrial Co., Ltd. Kodiervorrichtung und dekodiervorrichtung
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
US7515629B2 (en) * 2002-07-22 2009-04-07 Broadcom Corporation Conditioning circuit that spectrally shapes a serviced bit stream
US7257154B2 (en) * 2002-07-22 2007-08-14 Broadcom Corporation Multiple high-speed bit stream interface circuit

Also Published As

Publication number Publication date
US7949057B2 (en) 2011-05-24
EP1677088A4 (de) 2008-08-13
EP2221807B1 (de) 2013-03-20
CN100507485C (zh) 2009-07-01
CN101556801B (zh) 2012-06-20
US8315322B2 (en) 2012-11-20
EP1677088B1 (de) 2010-06-16
JP2011100159A (ja) 2011-05-19
JPWO2005040749A1 (ja) 2007-04-19
BRPI0415464B1 (pt) 2019-04-24
WO2005040749A1 (ja) 2005-05-06
BRPI0415464A8 (pt) 2017-06-06
KR20060090995A (ko) 2006-08-17
US20070071116A1 (en) 2007-03-29
JP5226092B2 (ja) 2013-07-03
US8208570B2 (en) 2012-06-26
BRPI0415464A (pt) 2006-12-19
CN101556800A (zh) 2009-10-14
CN1871501A (zh) 2006-11-29
US20110194635A1 (en) 2011-08-11
EP2221807A1 (de) 2010-08-25
JP2011100158A (ja) 2011-05-19
CN101556800B (zh) 2012-05-23
US20110196686A1 (en) 2011-08-11
US20110196674A1 (en) 2011-08-11
EP2221808A1 (de) 2010-08-25
JP5226091B2 (ja) 2013-07-03
EP1677088A1 (de) 2006-07-05
CN101556801A (zh) 2009-10-14
EP2221808B1 (de) 2012-07-11
JP4822843B2 (ja) 2011-11-24
ATE471557T1 (de) 2010-07-15
US8275061B2 (en) 2012-09-25

Similar Documents

Publication Publication Date Title
DE602004027750D1 (de) Spektrum-codierungseinrichtung, spektrum-decodierungseinrichtung, übertragungseinrichtung für akustische signale, empfangseinrichtung für akustische signale und verfahren dafür
KR101183405B1 (ko) 수신기 또는 전송기에서 펄스들을 펑쳐링하는 시스템 및 방법
DE60202765D1 (de) Zweistufiger entzerrer für trelliskodierte systeme
EP1742202A4 (de) Kodierungs-, dekodierungsvorrichtung und methode dafür
AU2003252727A1 (en) Audio decoding apparatus and audio decoding method based on spectral band repliction
BRPI0306434A8 (pt) Aparelho e método de decodificação de áudio
WO2002015502A3 (en) Adaptive linear equalisation for walsh-modulated
EP1814277A3 (de) Rauschunterdrückungsverfahren und -vorrichtung
SG153658A1 (en) Reconstruction of the spectrum of an audiosignal with incomplete spectrum based on frequency translation
EP2562754A4 (de) Signalverarbeitungsvorrichtung und -verfahren, verschlüsselungsvorrichtung und -verfahren, entschlüsselungsvorrichtung und -verfahren und programm dafür
WO2003071682A3 (en) Flexible method and apparatus for encoding and decoding signals using a time division multiple frequency scheme
DE602004029333D1 (de) Kommunikationsempfänger mit einem adaptiven entzerrer, welcher kanalschätzung verwendet
ATE543281T1 (de) Verfahren und vorrichtung zur prädiktion von in einem empfangssignal enthaltenen rauschen
KR100519260B1 (ko) 고속 최적화된 무선마이크 장치 및 그 제어방법
WO2006112790A3 (en) Method and apparatus for canceling interference from high power, high data rate signals
WO2004086817A3 (en) Coding of main and side signal representing a multichannel signal
HK1084552A1 (en) Method of encoded channel acquisition
EP1304843A3 (de) Spitzunterdrückungsverfahren und Daten-Nachrichtengerät
GB2422280A (en) Echo canceler
GB2402570B8 (en) Transmission and reception apparatus receiver and reproduction method
EP1278345A4 (de) Frequenzfehlerschätzender empfänger sowie frequenzfehlerschätzendes verfahren
DE60329321D1 (de) Kommunikationssystem und verfahren mit signal/rausch-verhältnisschätzung zur skalierung bei der verarbeitung empfangener drahtloser kommunikationssignale
AU2003212428A1 (en) Apparatus and method of searching for known sequences
ATE268079T1 (de) Verfahren und einrichtung zur entzerrung und dekodierung eines datensignals
EP1603293A3 (de) Empfänger für optische Signale mit einem Viterbi-Entzerrer und einer Vorrichtung zur Parameterschätzung