JP2011527446A5 - - Google Patents

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JP2011527446A5
JP2011527446A5 JP2011516982A JP2011516982A JP2011527446A5 JP 2011527446 A5 JP2011527446 A5 JP 2011527446A5 JP 2011516982 A JP2011516982 A JP 2011516982A JP 2011516982 A JP2011516982 A JP 2011516982A JP 2011527446 A5 JP2011527446 A5 JP 2011527446A5
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encoded
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audio signal
aliasing
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JP5551693B2 (ja
JP2011527446A (ja
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JP2011516982A 2008-07-11 2009-06-17 エイリアシングスイッチスキームを用いてオーディオ信号を符号化/復号化するための装置および方法 Active JP5551693B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7985208P 2008-07-11 2008-07-11
US61/079,852 2008-07-11
PCT/EP2009/004374 WO2010003532A1 (en) 2008-07-11 2009-06-17 Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme

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JP2011527446A JP2011527446A (ja) 2011-10-27
JP2011527446A5 true JP2011527446A5 (enExample) 2014-05-15
JP5551693B2 JP5551693B2 (ja) 2014-07-16

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US (1) US8862480B2 (enExample)
EP (1) EP2301020B1 (enExample)
JP (1) JP5551693B2 (enExample)
KR (1) KR101250309B1 (enExample)
CN (1) CN102089812B (enExample)
AR (1) AR072479A1 (enExample)
AU (1) AU2009267518B2 (enExample)
BR (1) BRPI0910783B1 (enExample)
CA (1) CA2730355C (enExample)
CO (1) CO6341672A2 (enExample)
ES (1) ES2401487T3 (enExample)
MX (1) MX2011000373A (enExample)
MY (1) MY152252A (enExample)
PL (1) PL2301020T3 (enExample)
RU (1) RU2492530C2 (enExample)
TW (1) TWI426503B (enExample)
WO (1) WO2010003532A1 (enExample)
ZA (1) ZA201009259B (enExample)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2144230A1 (en) * 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme having cascaded switches
MX2011000375A (es) * 2008-07-11 2011-05-19 Fraunhofer Ges Forschung Codificador y decodificador de audio para codificar y decodificar tramas de una señal de audio muestreada.
FR2936898A1 (fr) * 2008-10-08 2010-04-09 France Telecom Codage a echantillonnage critique avec codeur predictif
WO2010044593A2 (ko) 2008-10-13 2010-04-22 한국전자통신연구원 Mdct 기반 음성/오디오 통합 부호화기의 lpc 잔차신호 부호화/복호화 장치
KR101649376B1 (ko) 2008-10-13 2016-08-31 한국전자통신연구원 Mdct 기반 음성/오디오 통합 부호화기의 lpc 잔차신호 부호화/복호화 장치
US8457975B2 (en) 2009-01-28 2013-06-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio decoder, audio encoder, methods for decoding and encoding an audio signal and computer program
KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
WO2011013980A2 (en) * 2009-07-27 2011-02-03 Lg Electronics Inc. A method and an apparatus for processing an audio signal
BR112012007803B1 (pt) 2009-10-08 2022-03-15 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Decodificador de sinal de áudio multimodal, codificador de sinal de áudio multimodal e métodos usando uma configuração de ruído com base em codificação de previsão linear
EP4571739A1 (en) * 2009-10-20 2025-06-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal encoder, audio signal decoder, method for encoding or decoding an audio signal using an aliasing-cancellation
FR2956495B1 (fr) * 2010-02-18 2021-08-06 Snecma Procede de numerisation d'un signal analogique par un convertisseur analogique-numerique de frequence de shannon determinee
EP2375409A1 (en) * 2010-04-09 2011-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction
CN102934161B (zh) 2010-06-14 2015-08-26 松下电器产业株式会社 音频混合编码装置以及音频混合解码装置
EP3079152B1 (en) 2010-07-02 2018-06-06 Dolby International AB Audio decoding with selective post filtering
EP4398248B1 (en) 2010-07-08 2025-11-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoder using forward aliasing cancellation
CN103282958B (zh) 2010-10-15 2016-03-30 华为技术有限公司 信号分析器、信号分析方法、信号合成器、信号合成方法、变换器和反向变换器
AU2012217216B2 (en) 2011-02-14 2015-09-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
MX2013009303A (es) 2011-02-14 2013-09-13 Fraunhofer Ges Forschung Codec de audio utilizando sintesis de ruido durante fases inactivas.
PL2676267T3 (pl) 2011-02-14 2017-12-29 Fraunhofergesellschaft Zur Förderung Der Angewandten Forschung E V Kodowanie i dekodowanie pozycji impulsów ścieżek sygnału audio
AR085362A1 (es) 2011-02-14 2013-09-25 Fraunhofer Ges Forschung Aparato y metodo para procesar una señal de audio decodificada en un dominio espectral
EP2676266B1 (en) 2011-02-14 2015-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Linear prediction based coding scheme using spectral domain noise shaping
SG192745A1 (en) 2011-02-14 2013-09-30 Fraunhofer Ges Forschung Noise generation in audio codecs
ES2458436T3 (es) * 2011-02-14 2014-05-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Representación de señal de información utilizando transformada superpuesta
MY159444A (en) 2011-02-14 2017-01-13 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V Encoding and decoding of pulse positions of tracks of an audio signal
AR085218A1 (es) 2011-02-14 2013-09-18 Fraunhofer Ges Forschung Aparato y metodo para ocultamiento de error en voz unificada con bajo retardo y codificacion de audio
TR201908598T4 (tr) 2011-02-14 2019-07-22 Fraunhofer Ges Forschung Bir ses sinyalinin hizalı bir ileriye dönük kısımdan faydalanılarak enkode edilmesi için cihaz ve yöntem.
US20140058737A1 (en) * 2011-10-28 2014-02-27 Panasonic Corporation Hybrid sound signal decoder, hybrid sound signal encoder, sound signal decoding method, and sound signal encoding method
CN103548080B (zh) * 2012-05-11 2017-03-08 松下电器产业株式会社 声音信号混合编码器、声音信号混合解码器、声音信号编码方法以及声音信号解码方法
EP2665208A1 (en) * 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
EP2862168B1 (en) 2012-06-14 2017-08-09 Dolby International AB Smooth configuration switching for multichannel audio
US9589571B2 (en) 2012-07-19 2017-03-07 Dolby Laboratories Licensing Corporation Method and device for improving the rendering of multi-channel audio signals
JP6065452B2 (ja) * 2012-08-14 2017-01-25 富士通株式会社 データ埋め込み装置及び方法、データ抽出装置及び方法、並びにプログラム
CN109448745B (zh) * 2013-01-07 2021-09-07 中兴通讯股份有限公司 一种编码模式切换方法和装置、解码模式切换方法和装置
CA3012134C (en) 2013-01-08 2019-10-15 Dolby International Ab Model based prediction in a critically sampled filterbank
ES2736309T3 (es) 2013-02-20 2019-12-27 Fraunhofer Ges Forschung Aparato y procedimiento para codificar o descodificar una señal de audio utilizando una superposición que depende de una ubicación de transitorios
JP6146069B2 (ja) 2013-03-18 2017-06-14 富士通株式会社 データ埋め込み装置及び方法、データ抽出装置及び方法、並びにプログラム
WO2014165543A1 (en) 2013-04-05 2014-10-09 Dolby Laboratories Licensing Corporation Companding apparatus and method to reduce quantization noise using advanced spectral extension
WO2015025052A1 (en) * 2013-08-23 2015-02-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing an audio signal using an aliasing error signal
FR3013496A1 (fr) * 2013-11-15 2015-05-22 Orange Transition d'un codage/decodage par transformee vers un codage/decodage predictif
CN105336339B (zh) 2014-06-03 2019-05-03 华为技术有限公司 一种语音频信号的处理方法和装置
EP2980796A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for processing an audio signal, audio decoder, and audio encoder
EP2988300A1 (en) * 2014-08-18 2016-02-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Switching of sampling rates at audio processing devices
EP3276620A1 (en) * 2016-07-29 2018-01-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Time domain aliasing reduction for non-uniform filterbanks which use spectral analysis followed by partial synthesis
CN107731238B (zh) 2016-08-10 2021-07-16 华为技术有限公司 多声道信号的编码方法和编码器
EP3483879A1 (en) * 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation
US10950251B2 (en) * 2018-03-05 2021-03-16 Dts, Inc. Coding of harmonic signals in transform-based audio codecs
US10475456B1 (en) * 2018-06-04 2019-11-12 Qualcomm Incorporated Smart coding mode switching in audio rate adaptation
CA3091241A1 (en) 2018-07-02 2020-01-09 Dolby Laboratories Licensing Corporation Methods and devices for generating or decoding a bitstream comprising immersive audio signals
EP3644313A1 (en) * 2018-10-26 2020-04-29 Fraunhofer Gesellschaft zur Förderung der Angewand Perceptual audio coding with adaptive non-uniform time/frequency tiling using subband merging and time domain aliasing reduction
WO2020164751A1 (en) * 2019-02-13 2020-08-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoder and decoding method for lc3 concealment including full frame loss concealment and partial frame loss concealment

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3943879B4 (de) 1989-04-17 2008-07-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Digitales Codierverfahren
KR19990082402A (ko) 1996-02-08 1999-11-25 모리시타 요이찌 광대역 오디오신호 부호장치, 광대역 오디오신호 복호장치, 광대역 오디오신호 부호 복호장치 및 광대역 오디오신호 기록매체
ES2247741T3 (es) * 1998-01-22 2006-03-01 Deutsche Telekom Ag Metodo para conmutacion controlada por señales entre esquemas de codificacion de audio.
US7072832B1 (en) * 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
US6226608B1 (en) * 1999-01-28 2001-05-01 Dolby Laboratories Licensing Corporation Data framing for adaptive-block-length coding system
US6658383B2 (en) 2001-06-26 2003-12-02 Microsoft Corporation Method for coding speech and music signals
US7424434B2 (en) * 2002-09-04 2008-09-09 Microsoft Corporation Unified lossy and lossless audio compression
KR100467617B1 (ko) * 2002-10-30 2005-01-24 삼성전자주식회사 개선된 심리 음향 모델을 이용한 디지털 오디오 부호화방법과그 장치
US7145484B2 (en) * 2002-11-21 2006-12-05 Nippon Telegraph And Telephone Corporation Digital signal processing method, processor thereof, program thereof, and recording medium containing the program
AU2003208517A1 (en) * 2003-03-11 2004-09-30 Nokia Corporation Switching between coding schemes
TW594674B (en) * 2003-03-14 2004-06-21 Mediatek Inc Encoder and a encoding method capable of detecting audio signal transient
ATE355590T1 (de) 2003-04-17 2006-03-15 Koninkl Philips Electronics Nv Audiosignalsynthese
FI118835B (fi) * 2004-02-23 2008-03-31 Nokia Corp Koodausmallin valinta
ATE371926T1 (de) * 2004-05-17 2007-09-15 Nokia Corp Audiocodierung mit verschiedenen codierungsmodellen
US8423372B2 (en) * 2004-08-26 2013-04-16 Sisvel International S.A. Processing of encoded signals
EP1793372B1 (en) * 2004-10-26 2011-12-14 Panasonic Corporation Speech encoding apparatus and speech encoding method
US7418394B2 (en) 2005-04-28 2008-08-26 Dolby Laboratories Licensing Corporation Method and system for operating audio encoders utilizing data from overlapping audio segments
CN1862969B (zh) * 2005-05-11 2010-06-09 尼禄股份公司 自适应块长、常数变换音频解码方法
TWI271703B (en) 2005-07-22 2007-01-21 Pixart Imaging Inc Audio encoder and method thereof
US7610195B2 (en) * 2006-06-01 2009-10-27 Nokia Corporation Decoding of predictively coded data using buffer adaptation
US7987089B2 (en) 2006-07-31 2011-07-26 Qualcomm Incorporated Systems and methods for modifying a zero pad region of a windowed frame of an audio signal
DE102006051673A1 (de) * 2006-11-02 2008-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Nachbearbeiten von Spektralwerten und Encodierer und Decodierer für Audiosignale
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
KR20080053739A (ko) * 2006-12-11 2008-06-16 삼성전자주식회사 적응적으로 윈도우 크기를 적용하는 부호화 장치 및 방법
EP2052548B1 (en) * 2006-12-12 2012-02-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder and methods for encoding and decoding data segments representing a time-domain data stream
BR122021009252B1 (pt) * 2008-07-11 2022-03-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. Codificador e decodificador de áudio para estruturas de codificação de sinais de áudio amostrados
PL2304723T3 (pl) * 2008-07-11 2013-03-29 Fraunhofer Ges Forschung Urządzenie i sposób dekodowania zakodowanego sygnału audio
EP2146344B1 (en) * 2008-07-17 2016-07-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding/decoding scheme having a switchable bypass
JP5699141B2 (ja) * 2009-06-23 2015-04-08 ヴォイスエイジ・コーポレーション 重み付けされた信号領域またはオリジナルの信号領域で適用される順方向時間領域エイリアシング取り消し
CN102934161B (zh) * 2010-06-14 2015-08-26 松下电器产业株式会社 音频混合编码装置以及音频混合解码装置
EP4398248B1 (en) * 2010-07-08 2025-11-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoder using forward aliasing cancellation
CN103282958B (zh) * 2010-10-15 2016-03-30 华为技术有限公司 信号分析器、信号分析方法、信号合成器、信号合成方法、变换器和反向变换器

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