JP2005530206A5 - - Google Patents

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Publication number
JP2005530206A5
JP2005530206A5 JP2004514061A JP2004514061A JP2005530206A5 JP 2005530206 A5 JP2005530206 A5 JP 2005530206A5 JP 2004514061 A JP2004514061 A JP 2004514061A JP 2004514061 A JP2004514061 A JP 2004514061A JP 2005530206 A5 JP2005530206 A5 JP 2005530206A5
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JP
Japan
Prior art keywords
components
subband
recording medium
spectral
temporal shape
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.)
Pending
Application number
JP2004514061A
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English (en)
Japanese (ja)
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JP2005530206A (ja
Filing date
Publication date
Priority claimed from US10/174,493 external-priority patent/US7447631B2/en
Application filed filed Critical
Priority claimed from PCT/US2003/018065 external-priority patent/WO2003107329A1/en
Publication of JP2005530206A publication Critical patent/JP2005530206A/ja
Publication of JP2005530206A5 publication Critical patent/JP2005530206A5/ja
Pending legal-status Critical Current

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JP2004514061A 2002-06-17 2003-06-09 合成されたスペクトル成分に適合するようにデコードされた信号の特性を使用するオーディオコーディングシステム Pending JP2005530206A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/174,493 US7447631B2 (en) 2002-06-17 2002-06-17 Audio coding system using spectral hole filling
US10/238,047 US7337118B2 (en) 2002-06-17 2002-09-06 Audio coding system using characteristics of a decoded signal to adapt synthesized spectral components
PCT/US2003/018065 WO2003107329A1 (en) 2002-06-01 2003-06-09 Audio coding system using characteristics of a decoded signal to adapt synthesized spectral components

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP2011287052A Division JP5253565B2 (ja) 2002-06-17 2011-12-28 合成されたスペクトル成分に適合するようにデコードされた信号の特性を使用するオーディオコーディングシステム
JP2011287051A Division JP5253564B2 (ja) 2002-06-17 2011-12-28 合成されたスペクトル成分に適合するようにデコードされた信号の特性を使用するオーディオコーディングシステム

Publications (2)

Publication Number Publication Date
JP2005530206A JP2005530206A (ja) 2005-10-06
JP2005530206A5 true JP2005530206A5 (https=) 2011-04-07

Family

ID=29738991

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004514061A Pending JP2005530206A (ja) 2002-06-17 2003-06-09 合成されたスペクトル成分に適合するようにデコードされた信号の特性を使用するオーディオコーディングシステム

Country Status (10)

Country Link
US (1) US20080140405A1 (https=)
EP (1) EP1514263B1 (https=)
JP (1) JP2005530206A (https=)
CN (1) CN1310210C (https=)
AU (1) AU2003243441C1 (https=)
CA (1) CA2489443C (https=)
MX (1) MXPA04012540A (https=)
PL (1) PL207861B1 (https=)
TW (1) TWI288915B (https=)
WO (1) WO2003107329A1 (https=)

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BRPI0311601B8 (pt) 2002-07-19 2018-02-14 Matsushita Electric Industrial Co Ltd "aparelho e método decodificador de áudio"
US7774707B2 (en) * 2004-12-01 2010-08-10 Creative Technology Ltd Method and apparatus for enabling a user to amend an audio file
US8392176B2 (en) 2006-04-10 2013-03-05 Qualcomm Incorporated Processing of excitation in audio coding and decoding
US8060363B2 (en) * 2007-02-13 2011-11-15 Nokia Corporation Audio signal encoding
US8428957B2 (en) 2007-08-24 2013-04-23 Qualcomm Incorporated Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands
ES2774956T3 (es) 2007-08-27 2020-07-23 Ericsson Telefon Ab L M Método y dispositivo para la descodificación espectral perceptual de una señal de audio, que incluyen el llenado de huecos espectrales
MY154452A (en) 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
RU2536679C2 (ru) 2008-07-11 2014-12-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Передатчик сигнала активации с деформацией по времени, кодер звукового сигнала, способ преобразования сигнала активации с деформацией по времени, способ кодирования звукового сигнала и компьютерные программы
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
CN101556799B (zh) 2009-05-14 2013-08-28 华为技术有限公司 一种音频解码方法和音频解码器
US9311925B2 (en) 2009-10-12 2016-04-12 Nokia Technologies Oy Method, apparatus and computer program for processing multi-channel signals
PL4120264T3 (pl) 2010-01-19 2023-11-20 Dolby International Ab Transpozycja harmonicznych oparta na ulepszonym bloku pod-pasma
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
US8831933B2 (en) 2010-07-30 2014-09-09 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for multi-stage shape vector quantization
US9208792B2 (en) * 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
RU2601188C2 (ru) * 2012-02-23 2016-10-27 Долби Интернэшнл Аб Способы и системы для эффективного восстановления высокочастотного аудиоконтента
JP6200034B2 (ja) * 2012-04-27 2017-09-20 株式会社Ｎｔｔドコモ 音声復号装置
US9607602B2 (en) * 2013-09-06 2017-03-28 Apple Inc. ANC system with SPL-controlled output
US10090005B2 (en) * 2016-03-10 2018-10-02 Aspinity, Inc. Analog voice activity detection
CN113053351B (zh) * 2021-03-14 2024-01-30 西北工业大学 一种基于听觉感知的飞机舱内噪声合成方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0551705A3 (en) * 1992-01-15 1993-08-18 Ericsson Ge Mobile Communications Inc. Method for subbandcoding using synthetic filler signals for non transmitted subbands
JP2563719B2 (ja) * 1992-03-11 1996-12-18 技術研究組合医療福祉機器研究所 音声加工装置と補聴器
US5623577A (en) * 1993-07-16 1997-04-22 Dolby Laboratories Licensing Corporation Computationally efficient adaptive bit allocation for encoding method and apparatus with allowance for decoder spectral distortions
JPH07225598A (ja) * 1993-09-22 1995-08-22 Massachusetts Inst Of Technol <Mit> 動的に決定された臨界帯域を用いる音響コード化の方法および装置
JP3254953B2 (ja) * 1995-02-17 2002-02-12 日本ビクター株式会社 音声高能率符号化装置
EP0878790A1 (en) * 1997-05-15 1998-11-18 Hewlett-Packard Company Voice coding system and method
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
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)
SE0001926D0 (sv) * 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
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

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