MXPA03002115A - DISPOSITIVO DE DECODIFICACION Y CODIFICACION DE SEnAL DE AUDIO. - Google Patents

DISPOSITIVO DE DECODIFICACION Y CODIFICACION DE SEnAL DE AUDIO.

Info

Publication number
MXPA03002115A
MXPA03002115A MXPA03002115A MXPA03002115A MXPA03002115A MX PA03002115 A MXPA03002115 A MX PA03002115A MX PA03002115 A MXPA03002115 A MX PA03002115A MX PA03002115 A MXPA03002115 A MX PA03002115A MX PA03002115 A MXPA03002115 A MX PA03002115A
Authority
MX
Mexico
Prior art keywords
audio signal
decoding device
encoding device
signal decoding
signal encoding
Prior art date
Application number
MXPA03002115A
Other languages
English (en)
Inventor
Norimatsu Takeshi
Original Assignee
Matsushita Electric Ind Co Ltd
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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of MXPA03002115A publication Critical patent/MXPA03002115A/es

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
MXPA03002115A 2001-07-13 2002-07-11 DISPOSITIVO DE DECODIFICACION Y CODIFICACION DE SEnAL DE AUDIO. MXPA03002115A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001213378 2001-07-13
PCT/JP2002/007081 WO2003007480A1 (fr) 2001-07-13 2002-07-11 Dispositif de decodage de signaux audio et dispositif de codage de signaux audio

Publications (1)

Publication Number Publication Date
MXPA03002115A true MXPA03002115A (es) 2003-08-26

Family

ID=19048367

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA03002115A MXPA03002115A (es) 2001-07-13 2002-07-11 DISPOSITIVO DE DECODIFICACION Y CODIFICACION DE SEnAL DE AUDIO.

Country Status (7)

Country Link
US (1) US7260541B2 (es)
EP (1) EP1351401B1 (es)
CN (1) CN1272911C (es)
AU (1) AU2002318813B2 (es)
DE (1) DE60230856D1 (es)
MX (1) MXPA03002115A (es)
WO (1) WO2003007480A1 (es)

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TWI523005B (zh) 2009-01-16 2016-02-21 杜比國際公司 交叉乘積加強之諧波移調
EP2239732A1 (en) 2009-04-09 2010-10-13 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Apparatus and method for generating a synthesis audio signal and for encoding an audio signal
RU2452044C1 (ru) 2009-04-02 2012-05-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Устройство, способ и носитель с программным кодом для генерирования представления сигнала с расширенным диапазоном частот на основе представления входного сигнала с использованием сочетания гармонического расширения диапазона частот и негармонического расширения диапазона частот
CO6440537A2 (es) * 2009-04-09 2012-05-15 Fraunhofer Ges Forschung Aparato y metodo para generar una señal de audio de sintesis y para codificar una señal de audio
US8515768B2 (en) * 2009-08-31 2013-08-20 Apple Inc. Enhanced audio decoder
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
CN102194458B (zh) * 2010-03-02 2013-02-27 中兴通讯股份有限公司 频带复制方法、装置及音频解码方法、系统
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
JP5854520B2 (ja) 2010-03-09 2016-02-09 フラウンホーファーゲゼルシャフトツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． オーディオ信号用の位相ボコーダに基づく帯域幅拡張方法における改善された振幅応答及び時間的整列のための装置及び方法
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
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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
BR112015029574B1 (pt) 2013-06-11 2021-12-21 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Aparelho e método de decodificação de sinal de áudio.
EP2830056A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain
KR20150032390A (ko) * 2013-09-16 2015-03-26 삼성전자주식회사 음성 명료도 향상을 위한 음성 신호 처리 장치 및 방법
US9875746B2 (en) 2013-09-19 2018-01-23 Sony Corporation Encoding device and method, decoding device and method, and program
US9858941B2 (en) * 2013-11-22 2018-01-02 Qualcomm Incorporated Selective phase compensation in high band coding of an audio signal
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CN106448688B (zh) 2014-07-28 2019-11-05 华为技术有限公司 音频编码方法及相关装置
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JP7362320B2 (ja) * 2019-07-04 2023-10-17 フォルシアクラリオン・エレクトロニクス株式会社 オーディオ信号処理装置、オーディオ信号処理方法及びオーディオ信号処理プログラム

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Also Published As

Publication number Publication date
CN1272911C (zh) 2006-08-30
US7260541B2 (en) 2007-08-21
WO2003007480A1 (fr) 2003-01-23
US20040028244A1 (en) 2004-02-12
AU2002318813B2 (en) 2004-04-29
EP1351401A4 (en) 2004-11-17
DE60230856D1 (de) 2009-03-05
EP1351401A1 (en) 2003-10-08
EP1351401B1 (en) 2009-01-14
CN1465137A (zh) 2003-12-31

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