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 (55)

* 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
WO2006126844A2 (en) * 2005-05-26 2006-11-30 Lg Electronics Inc. Method and apparatus for decoding an audio signal
JP4988716B2 (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
JP4568363B2 (ja) 2005-08-30 2010-10-27 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
US8577483B2 (en) * 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
US7788107B2 (en) * 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
WO2007083952A1 (en) * 2006-01-19 2007-07-26 Lg Electronics Inc. Method and apparatus for processing a media signal
KR100902899B1 (ko) 2006-02-07 2009-06-15 엘지전자 주식회사 부호화/복호화 장치 및 방법
EP1999997B1 (en) 2006-03-28 2011-04-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Enhanced method for signal shaping in multi-channel audio reconstruction
MX2008012315A (es) * 2006-09-29 2008-10-10 Lg Electronics Inc Metodos y aparatos para codificar y descodificar señales de audio basados en objeto.
US8571875B2 (en) * 2006-10-18 2013-10-29 Samsung Electronics Co., Ltd. Method, medium, and apparatus encoding and/or decoding multichannel audio signals
FR2911020B1 (fr) * 2006-12-28 2009-05-01 Actimagine Soc Par Actions Sim Procede et dispositif de codage audio
FR2911031B1 (fr) * 2006-12-28 2009-04-10 Actimagine Soc Par Actions Sim Procede et dispositif de codage audio
EP2238589B1 (en) * 2007-12-09 2017-10-25 LG Electronics Inc. A method and an apparatus for processing a signal
WO2009093867A2 (en) 2008-01-23 2009-07-30 Lg Electronics Inc. A method and an apparatus for processing 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
KR101392546B1 (ko) * 2008-09-11 2014-05-08 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 마이크로폰 신호를 기반으로 공간 큐의 세트를 제공하는 장치, 방법 및 컴퓨터 프로그램과, 2채널 오디오 신호 및 공간 큐의 세트를 제공하는 장치
MX2011006186A (es) * 2008-12-11 2011-08-04 Ten Forschung Ev Fraunhofer Aparato para generar una señal de audio multicanal.
JP5932337B2 (ja) * 2008-12-22 2016-06-08 コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. 遠隔端通話者信号と複合信号との間の音響カップリングの特定
WO2010149700A1 (en) * 2009-06-24 2010-12-29 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal decoder, method for decoding an audio signal and computer program using cascaded audio object processing stages
EP2522016A4 (en) * 2010-01-06 2015-04-22 Lg Electronics Inc DEVICE FOR PROCESSING AN AUDIO SIGNAL AND METHOD THEREFOR
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
CN102859590B (zh) * 2010-02-24 2015-08-19 弗劳恩霍夫应用研究促进协会 产生增强下混频信号的装置、产生增强下混频信号的方法以及计算机程序
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
EP4645307B1 (en) 2010-08-25 2026-04-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. An apparatus for encoding an audio signal having a plurality of channels
EP2612321B1 (en) 2010-09-28 2016-01-06 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
US9311923B2 (en) * 2011-05-19 2016-04-12 Dolby Laboratories Licensing Corporation Adaptive audio processing based on forensic detection of media processing history
JP5895050B2 (ja) * 2011-06-24 2016-03-30 コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. 符号化された多チャンネルオーディオ信号を処理するオーディオ信号プロセッサ及びその方法
KR101842257B1 (ko) * 2011-09-14 2018-05-15 삼성전자주식회사 신호 처리 방법, 그에 따른 엔코딩 장치, 및 그에 따른 디코딩 장치
SG10201608613QA (en) * 2013-01-29 2016-12-29 Fraunhofer Ges Forschung Decoder For Generating A Frequency Enhanced Audio Signal, Method Of Decoding, Encoder For Generating An Encoded Signal And Method Of Encoding Using Compact Selection Side Information
US9830917B2 (en) 2013-02-14 2017-11-28 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
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
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
SG11201510162WA (en) 2013-06-10 2016-01-28 Fraunhofer Ges Forschung Apparatus and method for audio signal envelope encoding, processing and decoding by modelling a cumulative sum representation employing distribution quantization and coding
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
EP2830334A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals
SG11201600466PA (en) * 2013-07-22 2016-02-26 Fraunhofer Ges Forschung Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals
ES2641580T3 (es) 2013-10-03 2017-11-10 Dolby Laboratories Licensing Corporation Generación de señal difusa adaptativa en un mezclador ascendente
KR102244379B1 (ko) 2013-10-21 2021-04-26 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성
JP6396452B2 (ja) 2013-10-21 2018-09-26 ドルビー・インターナショナル・アーベー オーディオ・エンコーダおよびデコーダ
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
UA120372C2 (uk) * 2014-10-02 2019-11-25 Долбі Інтернешнл Аб Спосіб декодування і декодер для посилення діалогу
ES2771200T3 (es) 2016-02-17 2020-07-06 Fraunhofer Ges Forschung Postprocesador, preprocesador, codificador de audio, decodificador de audio y métodos relacionados para mejorar el procesamiento de transitorios
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
US7644003B2 (en) 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US7292901B2 (en) * 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
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
ATE390683T1 (de) 2004-03-01 2008-04-15 Dolby Lab Licensing Corp Mehrkanalige audiocodierung
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
EP1829424B1 (en) * 2005-04-15 2009-01-21 Dolby Sweden AB Temporal envelope shaping of decorrelated signals
EP1999997B1 (en) 2006-03-28 2011-04-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Enhanced method for signal shaping in multi-channel audio reconstruction

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
ES2407482T3 (es) Procedimiento y aparato para generar una señal estéreo con calidad perceptual mejorada
JP5698189B2 (ja) オーディオ符号化
US9972330B2 (en) Audio decoder for audio channel reconstruction
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
EP2311026B1 (en) An apparatus for determining a converted spatial audio signal
RU2015133289A (ru) Способы управления межканальной когерентностью звуковых сигналов, подвергнутых повышающему микшированию
JP2009524340A5 (https=)
JP2008543227A5 (https=)
JP2009524337A5 (https=)
RU2010152580A (ru) Устройство параметрического стереофонического повышающего микширования, параметрический стереофонический декодер, устройство параметрического стереофонического понижающего микширования, параметрический стереофонический кодер
MX2009007412A (es) Decodificador de audio.
JP2009524341A5 (https=)
DE602005016931D1 (de) Tonkanalkonvertierung
JP2009508175A5 (https=)
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
Wabnitz et al. Time domain reconstruction of spatial sound fields using compressed sensing
CN101243491B (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=)