JP2009531724A5 - - Google Patents

Download PDF

Info

Publication number
JP2009531724A5
JP2009531724A5 JP2009501862A JP2009501862A JP2009531724A5 JP 2009531724 A5 JP2009531724 A5 JP 2009531724A5 JP 2009501862 A JP2009501862 A JP 2009501862A JP 2009501862 A JP2009501862 A JP 2009501862A JP 2009531724 A5 JP2009531724 A5 JP 2009531724A5
Authority
JP
Japan
Prior art keywords
channel
signal component
downmix
derived
direct signal
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.)
Granted
Application number
JP2009501862A
Other languages
English (en)
Japanese (ja)
Other versions
JP5222279B2 (ja
JP2009531724A (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/EP2006/004732 external-priority patent/WO2007110101A1/en
Publication of JP2009531724A publication Critical patent/JP2009531724A/ja
Publication of JP2009531724A5 publication Critical patent/JP2009531724A5/ja
Application granted granted Critical
Publication of JP5222279B2 publication Critical patent/JP5222279B2/ja
Anticipated expiration legal-status Critical
Active legal-status Critical Current

Links

JP2009501862A 2006-03-28 2006-05-18 マルチチャネルオーディオ再構成における信号整形のための改善された方法 Active JP5222279B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US78709606P 2006-03-28 2006-03-28
US60/787,096 2006-03-28
PCT/EP2006/004732 WO2007110101A1 (en) 2006-03-28 2006-05-18 Enhanced method for signal shaping in multi-channel audio reconstruction

Publications (3)

Publication Number Publication Date
JP2009531724A JP2009531724A (ja) 2009-09-03
JP2009531724A5 true JP2009531724A5 (https=) 2011-12-08
JP5222279B2 JP5222279B2 (ja) 2013-06-26

Family

ID=36649469

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009501862A Active JP5222279B2 (ja) 2006-03-28 2006-05-18 マルチチャネルオーディオ再構成における信号整形のための改善された方法

Country Status (20)

Country Link
US (1) US8116459B2 (https=)
EP (1) EP1999997B1 (https=)
JP (1) JP5222279B2 (https=)
KR (1) KR101001835B1 (https=)
CN (1) CN101406073B (https=)
AT (1) ATE505912T1 (https=)
AU (1) AU2006340728B2 (https=)
BR (1) BRPI0621499B1 (https=)
CA (1) CA2646961C (https=)
DE (1) DE602006021347D1 (https=)
ES (1) ES2362920T3 (https=)
IL (1) IL194064A (https=)
MX (1) MX2008012324A (https=)
MY (1) MY143234A (https=)
NO (1) NO339914B1 (https=)
PL (1) PL1999997T3 (https=)
RU (1) RU2393646C1 (https=)
TW (1) TWI314024B (https=)
WO (1) WO2007110101A1 (https=)
ZA (1) ZA200809187B (https=)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7983922B2 (en) * 2005-04-15 2011-07-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
US8577686B2 (en) * 2005-05-26 2013-11-05 Lg Electronics Inc. Method and apparatus for decoding an audio signal
JP4988717B2 (ja) 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
JP4859925B2 (ja) * 2005-08-30 2012-01-25 エルジー エレクトロニクス インコーポレイティド オーディオ信号デコーディング方法及びその装置
KR20080049735A (ko) 2005-08-30 2008-06-04 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
US7788107B2 (en) * 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
TWI469133B (zh) 2006-01-19 2015-01-11 Lg Electronics Inc 媒體訊號處理方法及裝置
JP5199129B2 (ja) * 2006-02-07 2013-05-15 エルジー エレクトロニクス インコーポレイティド 符号化/復号化装置及び方法
KR101001835B1 (ko) 2006-03-28 2010-12-15 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 멀티 채널 오디오 재구성에서 신호 셰이핑을 위한 개선 방법
JP5238706B2 (ja) * 2006-09-29 2013-07-17 エルジー エレクトロニクス インコーポレイティド オブジェクトベースオーディオ信号のエンコーディング/デコーディング方法及びその装置
US8571875B2 (en) * 2006-10-18 2013-10-29 Samsung Electronics Co., Ltd. Method, medium, and apparatus encoding and/or decoding multichannel audio signals
FR2911031B1 (fr) * 2006-12-28 2009-04-10 Actimagine Soc Par Actions Sim Procede et dispositif de codage audio
FR2911020B1 (fr) * 2006-12-28 2009-05-01 Actimagine Soc Par Actions Sim Procede et dispositif de codage audio
US8543231B2 (en) * 2007-12-09 2013-09-24 Lg Electronics Inc. Method and an apparatus for processing a signal
US8615316B2 (en) 2008-01-23 2013-12-24 Lg Electronics Inc. Method and an apparatus for processing an audio signal
CN101662688B (zh) * 2008-08-13 2012-10-03 韩国电子通信研究院 音频信号的编码和解码方法及其装置
US8023660B2 (en) 2008-09-11 2011-09-20 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus, method and computer program for providing a set of spatial cues on the basis of a microphone signal and apparatus for providing a two-channel audio signal and a set of spatial cues
JP5520300B2 (ja) * 2008-09-11 2014-06-11 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ マイクロホン信号に基づいて一組の空間手がかりを供給する装置、方法およびコンピュータ・プログラムと2チャンネルのオーディオ信号および一組の空間手がかりを供給する装置
JP5237463B2 (ja) * 2008-12-11 2013-07-17 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ マルチチャンネルオーディオ信号を生成するための装置
TR201815047T4 (tr) * 2008-12-22 2018-11-21 Anheuser Busch Inbev Sa Bir uzak uç konuşmacı sinyali ve bir birleşik sinyal arasındaki akustik bir bağlamanın belirlenmesi.
MX2011013829A (es) * 2009-06-24 2012-03-07 Fraunhofer Ges Forschung Decodificador de señales de audio, metodo para decodificar una señal de audio y programa de computacion que utiliza etapas en cascada de procesamiento de objetos de audio.
EP2522015B1 (en) * 2010-01-06 2017-03-08 LG Electronics Inc. An apparatus for processing an audio signal and method thereof
EP2360681A1 (en) * 2010-01-15 2011-08-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information
RU2586851C2 (ru) 2010-02-24 2016-06-10 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Устройство для формирования улучшенного сигнала микширования с понижением, способ формирования улучшенного сигнала микширования с понижением и компьютерная программа
EP2369861B1 (en) * 2010-03-25 2016-07-27 Nxp B.V. Multi-channel audio signal processing
KR102033071B1 (ko) * 2010-08-17 2019-10-16 한국전자통신연구원 멀티 채널 오디오 호환 시스템 및 방법
SG2014006738A (en) * 2010-08-25 2014-03-28 Fraunhofer Ges Forschung An apparatus for encoding an audio signal having a plurality of channels
WO2012040898A1 (en) 2010-09-28 2012-04-05 Huawei Technologies Co., Ltd. Device and method for postprocessing decoded multi-channel audio signal or decoded stereo signal
US9078077B2 (en) 2010-10-21 2015-07-07 Bose Corporation Estimation of synthetic audio prototypes with frequency-based input signal decomposition
US8675881B2 (en) * 2010-10-21 2014-03-18 Bose Corporation Estimation of synthetic audio prototypes
KR101227932B1 (ko) * 2011-01-14 2013-01-30 전자부품연구원 다채널 멀티트랙 오디오 시스템 및 오디오 처리 방법
EP2477188A1 (en) * 2011-01-18 2012-07-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding of slot positions of events in an audio signal frame
WO2012158705A1 (en) * 2011-05-19 2012-11-22 Dolby Laboratories Licensing Corporation Adaptive audio processing based on forensic detection of media processing history
EP2724555B1 (en) * 2011-06-24 2015-04-22 Koninklijke Philips N.V. Audio signal processor for processing encoded multi-channel audio signals and method therefor
KR101842257B1 (ko) * 2011-09-14 2018-05-15 삼성전자주식회사 신호 처리 방법, 그에 따른 엔코딩 장치, 및 그에 따른 디코딩 장치
MX372748B (es) * 2013-01-29 2020-05-26 Fraunhofer Ges Forschung Decodificador para generar una señal de audio mejorada en frecuencia, metodo de decodificacion, codificador para generar una señal codificada y metodo de codificacion utilizando informacion secundaria de seleccion compacta.
TWI618050B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於音訊處理系統中之訊號去相關的方法及設備
WO2014126688A1 (en) 2013-02-14 2014-08-21 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
TWI618051B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置
EP2956935B1 (en) 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Controlling the inter-channel coherence of upmixed audio signals
MX353042B (es) 2013-06-10 2017-12-18 Fraunhofer Ges Forschung Método y aparato para codificación, procesamiento y decodificación de envolvente de señal de audio mediante modelado de una representación de suma acumulativa que emplea cuantificación de distribución y codificación.
BR112015030672B1 (pt) 2013-06-10 2021-02-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V aparelho e método de codificação, processamento e decodificação de envelope de sinal de áudio por divisão do envelope de sinal de áudio empregando codificação e quantização de distribuição
CN105612766B (zh) * 2013-07-22 2018-07-27 弗劳恩霍夫应用研究促进协会 使用渲染音频信号的解相关的多声道音频解码器、多声道音频编码器、方法、以及计算机可读介质
EP2830046A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decoding an encoded audio signal to obtain modified output signals
EP2830333A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals
US9794716B2 (en) 2013-10-03 2017-10-17 Dolby Laboratories Licensing Corporation Adaptive diffuse signal generation in an upmixer
JP6479786B2 (ja) 2013-10-21 2019-03-06 ドルビー・インターナショナル・アーベー オーディオ信号のパラメトリック再構成
US10049683B2 (en) 2013-10-21 2018-08-14 Dolby International Ab Audio encoder and decoder
JP6035270B2 (ja) * 2014-03-24 2016-11-30 株式会社Nttドコモ 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム
EP2980794A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
DK3201918T3 (en) * 2014-10-02 2019-02-25 Dolby Int Ab DECODING PROCEDURE AND DECODS FOR DIALOGUE IMPROVEMENT
AU2017219696B2 (en) 2016-02-17 2018-11-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing
EP3335218B1 (en) * 2016-03-16 2019-06-05 Huawei Technologies Co., Ltd. An audio signal processing apparatus and method for processing an input audio signal
CN110998722B (zh) 2017-07-03 2023-11-10 杜比国际公司 低复杂性密集瞬态事件检测和译码
CN110246508B (zh) * 2019-06-14 2021-08-31 腾讯音乐娱乐科技(深圳)有限公司 一种信号调制方法、装置和存储介质
JP7657579B2 (ja) * 2020-12-08 2025-04-07 株式会社タムラ製作所 音声信号処理装置、音声信号処理プログラム

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4217276C1 (https=) * 1992-05-25 1993-04-08 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
DE4236989C2 (de) 1992-11-02 1994-11-17 Fraunhofer Ges Forschung Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle
US5794180A (en) * 1996-04-30 1998-08-11 Texas Instruments Incorporated Signal quantizer wherein average level replaces subframe steady-state levels
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
DE19747132C2 (de) * 1997-10-24 2002-11-28 Fraunhofer Ges Forschung Verfahren und Vorrichtungen zum Codieren von Audiosignalen sowie Verfahren und Vorrichtungen zum Decodieren eines Bitstroms
KR100335609B1 (ko) * 1997-11-20 2002-10-04 삼성전자 주식회사 비트율조절이가능한오디오부호화/복호화방법및장치
US7292901B2 (en) * 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
US7644003B2 (en) * 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
CA2992051C (en) * 2004-03-01 2019-01-22 Dolby Laboratories Licensing Corporation Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters
TW569551B (en) 2001-09-25 2004-01-01 Roger Wallace Dressler Method and apparatus for multichannel logic matrix decoding
US7039204B2 (en) * 2002-06-24 2006-05-02 Agere Systems Inc. Equalization for audio mixing
SE0301273D0 (sv) 2003-04-30 2003-04-30 Coding Technologies Sweden Ab Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
TWI393120B (zh) 2004-08-25 2013-04-11 Dolby Lab Licensing Corp 用於音訊信號編碼及解碼之方法和系統、音訊信號編碼器、音訊信號解碼器、攜帶有位元流之電腦可讀取媒體、及儲存於電腦可讀取媒體上的電腦程式
SE0402652D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
SE0402649D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
DE602006004959D1 (de) * 2005-04-15 2009-03-12 Dolby Sweden Ab Zeitliche hüllkurvenformgebung von entkorrelierten signalen
KR101001835B1 (ko) 2006-03-28 2010-12-15 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 멀티 채널 오디오 재구성에서 신호 셰이핑을 위한 개선 방법

Similar Documents

Publication Publication Date Title
JP2009531724A5 (https=)
ES2760873T3 (es) Procedimiento de tratamiento de una señal de audio, unidad de tratamiento de señales, renderizador binaural, codificador de audio y decodificador de audio
TWI331322B (en) Apparatus and method for encoding / decoding signal
JP5587551B2 (ja) オーディオ符号化
ES2407482T3 (es) Procedimiento y aparato para generar una señal estéreo con calidad perceptual mejorada
EP1695338B1 (en) Apparatus and method for generating a level parameter and apparatus and method for generating a multi-channel representation
JP5222279B2 (ja) マルチチャネルオーディオ再構成における信号整形のための改善された方法
RU2015133289A (ru) Способы управления межканальной когерентностью звуковых сигналов, подвергнутых повышающему микшированию
JP2009524340A5 (https=)
JP2008543227A5 (https=)
JP2009524337A5 (https=)
MX2009007412A (es) Decodificador de audio.
JP2009524341A5 (https=)
ATE556406T1 (de) Vorrichtung und verfahren zum erzeugen eines mehrkanaligen ausgangssignals
ATE444549T1 (de) Tonkanalkonvertierung
JP2009508175A5 (https=)
ATE557386T1 (de) Raumsynthese mehrkanaliger tonsignale
Baalman On Wave Field Synthesis and electro-acoustic music, with a particular focus on the reproduction of arbitrarily shaped sound sources
KR20040066839A (ko) 오디오 코딩
CN102760437B (zh) 实时声道控制转换的音频解码装置
TW201330650A (zh) 多聲道降混音裝置
CN101297352A (zh) 用于编码和解码音频信号的装置及其方法
WO2007043388B1 (ja) 音響信号処理装置および音響信号処理方法
JP2008542815A5 (https=)
JP2009501346A5 (https=)