[go: up one dir, main page]

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 Industrial 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 Industrial Co Ltd filed Critical Matsushita Electric Industrial 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 (en) 2001-07-13 2002-07-11 Audio signal decoding device and audio signal encoding device

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)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101000345B1 (ko) * 2003-04-30 2010-12-13 파나소닉 주식회사 음성 부호화 장치, 음성 복호화 장치 및 그 방법
US7916876B1 (en) * 2003-06-30 2011-03-29 Sitel Semiconductor B.V. System and method for reconstructing high frequency components in upsampled audio signals using modulation and aliasing techniques
US7844451B2 (en) * 2003-09-16 2010-11-30 Panasonic Corporation Spectrum coding/decoding apparatus and method for reducing distortion of two band spectrums
BRPI0414444B1 (pt) * 2003-09-16 2020-05-05 Panasonic Intellectual Property Corporation Of America aparelho de codificação, aparelho de decodificação, método de codificação e método de decodificação
CN100507485C (zh) * 2003-10-23 2009-07-01 松下电器产业株式会社 频谱编码装置和频谱解码装置
KR101158698B1 (ko) * 2004-04-05 2012-06-22 코닌클리케 필립스 일렉트로닉스 엔.브이. 복수-채널 인코더, 입력 신호를 인코딩하는 방법, 저장 매체, 및 인코딩된 출력 데이터를 디코딩하도록 작동하는 디코더
CN101656073B (zh) * 2004-05-14 2012-05-23 松下电器产业株式会社 解码装置、解码方法以及通信终端和基站装置
US8417515B2 (en) * 2004-05-14 2013-04-09 Panasonic Corporation Encoding device, decoding device, and method thereof
JP5036317B2 (ja) 2004-10-28 2012-09-26 パナソニック株式会社 スケーラブル符号化装置、スケーラブル復号化装置、およびこれらの方法
UA95776C2 (ru) * 2005-04-01 2011-09-12 Квелкомм Инкорпорейтед Система, способ и устройство генерирования возбуждения в диапазоне высоких частот
EP1901281B1 (en) * 2005-06-09 2013-03-20 AGI Inc. Speech analyzer detecting pitch frequency, speech analyzing method, and speech analyzing program
US8311840B2 (en) * 2005-06-28 2012-11-13 Qnx Software Systems Limited Frequency extension of harmonic signals
US7912729B2 (en) * 2007-02-23 2011-03-22 Qnx Software Systems Co. High-frequency bandwidth extension in the time domain
KR101317269B1 (ko) * 2007-06-07 2013-10-14 삼성전자주식회사 정현파 오디오 코딩 방법 및 장치, 그리고 정현파 오디오디코딩 방법 및 장치
KR20090008611A (ko) * 2007-07-18 2009-01-22 삼성전자주식회사 오디오 신호의 인코딩 방법 및 장치
ES2526333T3 (es) 2007-08-27 2015-01-09 Telefonaktiebolaget L M Ericsson (Publ) Frecuencia de transición adaptativa entre el rellenado con ruido y la extensión del ancho de banda
BRPI0818927A2 (pt) 2007-11-02 2015-06-16 Huawei Tech Co Ltd Método e aparelho para a decodificação de áudio
ES2629453T3 (es) * 2007-12-21 2017-08-09 Iii Holdings 12, Llc Codificador, descodificador y procedimiento de codificación
CN101471072B (zh) * 2007-12-27 2012-01-25 华为技术有限公司 高频重建方法、编码装置和解码装置
DE102008015702B4 (de) * 2008-01-31 2010-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Bandbreitenerweiterung eines Audiosignals
WO2010003557A1 (en) 2008-07-11 2010-01-14 Frauenhofer- Gesellschaft Zur Förderung Der Angewandten Forschung E. V. Apparatus and method for generating a bandwidth extended signal
AU2013203159B2 (en) * 2008-12-15 2015-09-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder and bandwidth extension decoder
DK3364414T3 (da) * 2008-12-15 2022-06-27 Fraunhofer Ges Forschung Audiobåndbreddeudvidelsesafkoder, tilsvarende fremgangsmåde og computerprogram
PL3598445T3 (pl) * 2009-01-16 2021-12-27 Dolby International Ab Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
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
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
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
PL2545551T3 (pl) 2010-03-09 2018-03-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Poprawiona charakterystyka amplitudowa i zrównanie czasowe w powiększaniu szerokości pasma na bazie wokodera fazowego dla sygnałów audio
SG183967A1 (en) 2010-03-09 2012-10-30 Fraunhofer Ges Forschung Apparatus and method for processing an input audio signal using cascaded filterbanks
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
CA2770287C (en) 2010-06-09 2017-12-12 Panasonic Corporation Bandwidth extension method, bandwidth extension apparatus, program, integrated circuit, and audio decoding apparatus
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
PT3010018T (pt) * 2013-06-11 2020-11-13 Fraunhofer Ges Forschung Dispositivo e método para extensão de largura de banda para sinais acústicos
EP2830064A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection
KR20150032390A (ko) * 2013-09-16 2015-03-26 삼성전자주식회사 음성 명료도 향상을 위한 음성 신호 처리 장치 및 방법
WO2015041070A1 (ja) 2013-09-19 2015-03-26 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
US9858941B2 (en) * 2013-11-22 2018-01-02 Qualcomm Incorporated Selective phase compensation in high band coding of an audio signal
SG11201605015XA (en) 2013-12-27 2016-08-30 Sony Corp Decoding device, method, and program
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
WO2016142002A1 (en) 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
JP6611042B2 (ja) * 2015-12-02 2019-11-27 パナソニックＩｐマネジメント株式会社 音声信号復号装置及び音声信号復号方法
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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6011360B2 (ja) * 1981-12-15 1985-03-25 ケイディディ株式会社 音声符号化方式
JP3336619B2 (ja) * 1991-07-12 2002-10-21 ソニー株式会社 信号処理装置
JP3137805B2 (ja) * 1993-05-21 2001-02-26 三菱電機株式会社 音声符号化装置、音声復号化装置、音声後処理装置及びこれらの方法
JPH0833097A (ja) * 1994-07-13 1996-02-02 Olympus Optical Co Ltd 圧電素子
JP3152109B2 (ja) 1995-05-30 2001-04-03 日本ビクター株式会社 オーディオ信号の圧縮伸張方法
JP3588937B2 (ja) * 1996-10-16 2004-11-17 ヤマハ株式会社 オーディオデータ伝送方式
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
KR100568889B1 (ko) * 1997-07-11 2006-04-10 코닌클리케 필립스 일렉트로닉스 엔.브이. 개선된 스피치 인코더 및 디코더를 갖는 송신기

Also Published As

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

Similar Documents

Publication Publication Date Title
MXPA03002115A (es) DISPOSITIVO DE DECODIFICACION Y CODIFICACION DE SEnAL DE AUDIO.
AU2002318813A1 (en) Audio signal decoding device and audio signal encoding device
AU2003236062A1 (en) Digital signal encoding device, digital signal decoding device, digital signal arithmetic encoding method, and digital signal arithmetic decoding method
AU2002366825A1 (en) Video encoding and decoding method and device
AU2547201A (en) Multi-mode voice encoding device and decoding device
AU4880001A (en) Encoding/decoding device and encoding/decoding method
AU2003213439A1 (en) Digital signal encoding method, decoding method, encoding device, decoding device, digital signal encoding program, and decoding program
GB2392065B (en) Signal decoding methods and apparatus
PT2268035T (pt) Método de codificação e descodificação do sinal de vídeo
AU2002230913A1 (en) Encoding and decoding ultra-wideband information
GB0004423D0 (en) Video and audio coding
GB0106823D0 (en) Turbo-code decoding unit and turbo-code encoding/decoding unit
GB0019121D0 (en) Signal compression and decompression
GB2373975B (en) Digital audio signal processing
AUPQ982400A0 (en) Entropy encoding and decoding
MXPA03005034A (es) Metodos de codificacin y de descodificacion de peliculas.
EP1357502A4 (en) DEVICE FOR ENCODING AND DECODING DATA
DE60044096D1 (de) Videokodierung und -dekodierung
AU2001292945A1 (en) Rate one coding and decoding methods and systems
EP1367565A4 (en) APPARATUS AND METHODS FOR CODING SOUNDS
GB0323074D0 (en) Signal decoding methods and apparatus
PL365018A1 (en) Audio coding
AU3231601A (en) Voice encoding/decoding device and method therefor
GB0323208D0 (en) Signal decoding methods and apparatus
AU2001284513A1 (en) Encoding apparatus and decoding apparatus

Legal Events

Date Code Title Description
FG Grant or registration