ATE426235T1 - Dekodiervorrichtung mit dekorreliereinheit - Google Patents

Dekodiervorrichtung mit dekorreliereinheit

Info

Publication number
ATE426235T1
ATE426235T1 AT07119364T AT07119364T ATE426235T1 AT E426235 T1 ATE426235 T1 AT E426235T1 AT 07119364 T AT07119364 T AT 07119364T AT 07119364 T AT07119364 T AT 07119364T AT E426235 T1 ATE426235 T1 AT E426235T1
Authority
AT
Austria
Prior art keywords
spatial
parameters
audio
decororation
unit
Prior art date
Application number
AT07119364T
Other languages
English (en)
Inventor
Dirk J Breebaart
De Par Steven L J D E Van
Original Assignee
Koninkl Philips Electronics Nv
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=29255420&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE426235(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE426235T1 publication Critical patent/ATE426235T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • 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
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereo-Broadcasting Methods (AREA)
AT07119364T 2002-04-22 2003-04-22 Dekodiervorrichtung mit dekorreliereinheit ATE426235T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP02076588 2002-04-22
EP02077863 2002-07-12
EP02079303 2002-10-14
EP02079817 2002-11-20

Publications (1)

Publication Number Publication Date
ATE426235T1 true ATE426235T1 (de) 2009-04-15

Family

ID=29255420

Family Applications (2)

Application Number Title Priority Date Filing Date
AT03715237T ATE385025T1 (de) 2002-04-22 2003-04-22 Parametrische darstellung von raumklang
AT07119364T ATE426235T1 (de) 2002-04-22 2003-04-22 Dekodiervorrichtung mit dekorreliereinheit

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT03715237T ATE385025T1 (de) 2002-04-22 2003-04-22 Parametrische darstellung von raumklang

Country Status (11)

Country Link
US (3) US8340302B2 (de)
EP (2) EP1881486B1 (de)
JP (3) JP4714416B2 (de)
KR (2) KR101016982B1 (de)
CN (1) CN1307612C (de)
AT (2) ATE385025T1 (de)
AU (1) AU2003219426A1 (de)
BR (2) BRPI0304540B1 (de)
DE (2) DE60318835T2 (de)
ES (2) ES2300567T3 (de)
WO (1) WO2003090208A1 (de)

Families Citing this family (168)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7610205B2 (en) 2002-02-12 2009-10-27 Dolby Laboratories Licensing Corporation High quality time-scaling and pitch-scaling of audio signals
US7461002B2 (en) 2001-04-13 2008-12-02 Dolby Laboratories Licensing Corporation Method for time aligning audio signals using characterizations based on auditory events
US7711123B2 (en) 2001-04-13 2010-05-04 Dolby Laboratories Licensing Corporation Segmenting audio signals into auditory events
US7644003B2 (en) 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US7583805B2 (en) * 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
EP1500082B1 (de) * 2002-04-22 2007-02-14 Koninklijke Philips Electronics N.V. Signalsynthese
EP1881486B1 (de) * 2002-04-22 2009-03-18 Koninklijke Philips Electronics N.V. Dekodiervorrichtung mit Dekorreliereinheit
CN1761998B (zh) 2003-03-17 2010-09-08 皇家飞利浦电子股份有限公司 用于生成单声道信号的方法、部件、音频编码器和系统
FR2853804A1 (fr) * 2003-07-11 2004-10-15 France Telecom Procede de decodage d'un signal permettant de reconstituer une scene sonore et dispositif de decodage correspondant
CN1846253B (zh) * 2003-09-05 2010-06-16 皇家飞利浦电子股份有限公司 低比特率音频编码
US7725324B2 (en) 2003-12-19 2010-05-25 Telefonaktiebolaget Lm Ericsson (Publ) Constrained filter encoding of polyphonic signals
KR20070001139A (ko) * 2004-02-17 2007-01-03 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 분배 시스템, 오디오 인코더, 오디오 디코더 및이들의 동작 방법들
DE102004009628A1 (de) 2004-02-27 2005-10-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Beschreiben einer Audio-CD und Audio-CD
US20090299756A1 (en) * 2004-03-01 2009-12-03 Dolby Laboratories Licensing Corporation Ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners
CA3026267C (en) * 2004-03-01 2019-04-16 Dolby Laboratories Licensing Corporation Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters
CA2808226C (en) * 2004-03-01 2016-07-19 Dolby Laboratories Licensing Corporation Multichannel audio coding
US7805313B2 (en) 2004-03-04 2010-09-28 Agere Systems Inc. Frequency-based coding of channels in parametric multi-channel coding systems
PL1735774T3 (pl) * 2004-04-05 2008-11-28 Koninl Philips Electronics Nv Koder wielokanałowy
EP1895512A3 (de) * 2004-04-05 2014-09-17 Koninklijke Philips N.V. Mehrkanalkodierer
SE0400998D0 (sv) 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
EP1600791B1 (de) * 2004-05-26 2009-04-01 Honda Research Institute Europe GmbH Lokalisierung einer Schallquelle mittels binauraler Signale
EP1768107B1 (de) 2004-07-02 2016-03-09 Panasonic Intellectual Property Corporation of America Vorrichtung zum dekodieren von audiosignalen
KR100663729B1 (ko) 2004-07-09 2007-01-02 한국전자통신연구원 가상 음원 위치 정보를 이용한 멀티채널 오디오 신호부호화 및 복호화 방법 및 장치
WO2006006809A1 (en) 2004-07-09 2006-01-19 Electronics And Telecommunications Research Institute Method and apparatus for encoding and cecoding multi-channel audio signal using virtual source location information
KR100773539B1 (ko) * 2004-07-14 2007-11-05 삼성전자주식회사 멀티채널 오디오 데이터 부호화/복호화 방법 및 장치
US7508947B2 (en) * 2004-08-03 2009-03-24 Dolby Laboratories Licensing Corporation Method for combining audio signals using auditory scene analysis
KR100658222B1 (ko) * 2004-08-09 2006-12-15 한국전자통신연구원 3차원 디지털 멀티미디어 방송 시스템
TWI393121B (zh) 2004-08-25 2013-04-11 杜比實驗室特許公司 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式
TWI498882B (zh) 2004-08-25 2015-09-01 Dolby Lab Licensing Corp 音訊解碼器
EP1783745B1 (de) 2004-08-26 2009-09-09 Panasonic Corporation Mehrkanalige signal-dekodierung
WO2006022124A1 (ja) 2004-08-27 2006-03-02 Matsushita Electric Industrial Co., Ltd. オーディオデコーダ、方法及びプログラム
CN101010724B (zh) * 2004-08-27 2011-05-25 松下电器产业株式会社 音频编码器
KR20070056081A (ko) 2004-08-31 2007-05-31 마츠시타 덴끼 산교 가부시키가이샤 스테레오 신호 생성 장치 및 스테레오 신호 생성 방법
DE102004042819A1 (de) * 2004-09-03 2006-03-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines codierten Multikanalsignals und Vorrichtung und Verfahren zum Decodieren eines codierten Multikanalsignals
JP5166030B2 (ja) * 2004-09-06 2013-03-21 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオ信号のエンハンスメント
DE102004043521A1 (de) * 2004-09-08 2006-03-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines Multikanalsignals oder eines Parameterdatensatzes
WO2006030754A1 (ja) * 2004-09-17 2006-03-23 Matsushita Electric Industrial Co., Ltd. オーディオ符号化装置、復号化装置、方法、及びプログラム
JP2006100869A (ja) * 2004-09-28 2006-04-13 Sony Corp 音声信号処理装置および音声信号処理方法
US8204261B2 (en) 2004-10-20 2012-06-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Diffuse sound shaping for BCC schemes and the like
AU2005299410B2 (en) 2004-10-26 2011-04-07 Dolby Laboratories Licensing Corporation Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
SE0402650D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Improved parametric stereo compatible coding of spatial audio
US7848932B2 (en) * 2004-11-30 2010-12-07 Panasonic Corporation Stereo encoding apparatus, stereo decoding apparatus, and their methods
WO2006060279A1 (en) 2004-11-30 2006-06-08 Agere Systems Inc. Parametric coding of spatial audio with object-based side information
US7761304B2 (en) 2004-11-30 2010-07-20 Agere Systems Inc. Synchronizing parametric coding of spatial audio with externally provided downmix
US7787631B2 (en) 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
KR100657916B1 (ko) 2004-12-01 2006-12-14 삼성전자주식회사 주파수 대역간의 유사도를 이용한 오디오 신호 처리 장치및 방법
KR100682904B1 (ko) 2004-12-01 2007-02-15 삼성전자주식회사 공간 정보를 이용한 다채널 오디오 신호 처리 장치 및 방법
KR20070090217A (ko) * 2004-12-28 2007-09-05 마츠시타 덴끼 산교 가부시키가이샤 스케일러블 부호화 장치 및 스케일러블 부호화 방법
WO2006070757A1 (ja) 2004-12-28 2006-07-06 Matsushita Electric Industrial Co., Ltd. 音声符号化装置および音声符号化方法
US7903824B2 (en) 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio
EP1691348A1 (de) 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametrische kombinierte Kodierung von Audio-Quellen
US7573912B2 (en) * 2005-02-22 2009-08-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. Near-transparent or transparent multi-channel encoder/decoder scheme
US9626973B2 (en) 2005-02-23 2017-04-18 Telefonaktiebolaget L M Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
CN101147191B (zh) * 2005-03-25 2011-07-13 松下电器产业株式会社 语音编码装置和语音编码方法
DE602006015294D1 (de) 2005-03-30 2010-08-19 Dolby Int Ab Mehrkanal-audiocodierung
KR101315077B1 (ko) * 2005-03-30 2013-10-08 코닌클리케 필립스 일렉트로닉스 엔.브이. 멀티-채널 오디오 데이터를 인코딩 및 디코딩하기 위한 방법, 및 인코더들 및 디코더들
US7751572B2 (en) 2005-04-15 2010-07-06 Dolby International Ab Adaptive residual audio coding
EP1881487B1 (de) 2005-05-13 2009-11-25 Panasonic Corporation Audiocodierungsvorrichtung und spektrum-modifikationsverfahren
WO2006126843A2 (en) * 2005-05-26 2006-11-30 Lg Electronics Inc. Method and apparatus for decoding 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
CN101185118B (zh) * 2005-05-26 2013-01-16 Lg电子株式会社 解码音频信号的方法和装置
CN101228575B (zh) * 2005-06-03 2012-09-26 杜比实验室特许公司 利用侧向信息的声道重新配置
EP1905008A2 (de) * 2005-07-06 2008-04-02 Koninklijke Philips Electronics N.V. Parametrische multikanal-dekodierung
US8121836B2 (en) 2005-07-11 2012-02-21 Lg Electronics Inc. Apparatus and method of processing an audio signal
US8626503B2 (en) 2005-07-14 2014-01-07 Erik Gosuinus Petrus Schuijers Audio encoding and decoding
KR101492826B1 (ko) * 2005-07-14 2015-02-13 코닌클리케 필립스 엔.브이. 다수의 출력 오디오 채널들을 생성하기 위한 장치 및 방법과, 그 장치를 포함하는 수신기 및 오디오 재생 디바이스, 데이터 스트림 수신 방법, 및 컴퓨터 판독가능 기록매체
KR100755471B1 (ko) * 2005-07-19 2007-09-05 한국전자통신연구원 가상음원위치정보에 기반한 채널간 크기 차이 양자화 및역양자화 방법
WO2007011157A1 (en) * 2005-07-19 2007-01-25 Electronics And Telecommunications Research Institute Virtual source location information based channel level difference quantization and dequantization method
CN101248483B (zh) * 2005-07-19 2011-11-23 皇家飞利浦电子股份有限公司 多声道音频信号的生成
KR100857103B1 (ko) * 2005-07-29 2008-09-08 엘지전자 주식회사 오디오 신호 처리 방법
JP5113052B2 (ja) 2005-07-29 2013-01-09 エルジー エレクトロニクス インコーポレイティド 符号化されたオーディオ信号の生成方法及びオーディオ信号の処理方法
TWI396188B (zh) 2005-08-02 2013-05-11 Dolby Lab Licensing Corp 依聆聽事件之函數控制空間音訊編碼參數的技術
KR20070025905A (ko) * 2005-08-30 2007-03-08 엘지전자 주식회사 멀티채널 오디오 코딩에서 효과적인 샘플링 주파수비트스트림 구성방법
AU2006285544B2 (en) 2005-08-30 2012-01-12 Lg Electronics Inc. A method for decoding an audio signal
CN101253557B (zh) * 2005-08-31 2012-06-20 松下电器产业株式会社 立体声编码装置及立体声编码方法
CN101253555B (zh) * 2005-09-01 2011-08-24 松下电器产业株式会社 多声道音频信号处理装置及多声道音频信号处理方法
CN101351839B (zh) * 2005-09-14 2012-07-04 Lg电子株式会社 解码音频信号的方法和装置
KR100857106B1 (ko) 2005-09-14 2008-09-08 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
CN101427307B (zh) * 2005-09-27 2012-03-07 Lg电子株式会社 编码/解码多声道音频信号的方法和装置
US8090587B2 (en) 2005-09-27 2012-01-03 Lg Electronics Inc. Method and apparatus for encoding/decoding multi-channel audio signal
WO2007043843A1 (en) 2005-10-13 2007-04-19 Lg Electronics Inc. Method and apparatus for processing a signal
EP1946307A4 (de) * 2005-10-13 2010-01-06 Lg Electronics Inc Methode und vorrichtung zur signalverarbeitung
US20080255859A1 (en) * 2005-10-20 2008-10-16 Lg Electronics, Inc. Method for Encoding and Decoding Multi-Channel Audio Signal and Apparatus Thereof
KR100891688B1 (ko) 2005-10-26 2009-04-03 엘지전자 주식회사 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치
RU2384973C1 (ru) * 2005-12-20 2010-03-20 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство и способ синтезирования трех выходных каналов, используя два входных канала
US7760886B2 (en) 2005-12-20 2010-07-20 Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forscheng e.V. Apparatus and method for synthesizing three output channels using two input channels
EP1806593B1 (de) * 2006-01-09 2008-04-30 Honda Research Institute Europe GmbH Bestimmung des entsprechenden Messfensters zur Schallquellenortung in Echoumgebungen
WO2007080211A1 (en) * 2006-01-09 2007-07-19 Nokia Corporation Decoding of binaural audio signals
CN101356573B (zh) * 2006-01-09 2012-01-25 诺基亚公司 对双耳音频信号的解码的控制
US8239209B2 (en) 2006-01-19 2012-08-07 Lg Electronics Inc. Method and apparatus for decoding an audio signal using a rendering parameter
US20090018824A1 (en) * 2006-01-31 2009-01-15 Matsushita Electric Industrial Co., Ltd. Audio encoding device, audio decoding device, audio encoding system, audio encoding method, and audio decoding method
EP3267439A1 (de) 2006-02-03 2018-01-10 Electronics and Telecommunications Research Institute Verfahren und vorrichtung zur steuerung der darstellung eines multiobjekt- oder multikanalaudiosignals mit einem räumlichen hinweis
US8612238B2 (en) 2006-02-07 2013-12-17 Lg Electronics, Inc. Apparatus and method for encoding/decoding signal
CN101385077B (zh) * 2006-02-07 2012-04-11 Lg电子株式会社 用于编码/解码信号的装置和方法
CA2636330C (en) 2006-02-23 2012-05-29 Lg Electronics Inc. Method and apparatus for processing an audio signal
US7965848B2 (en) * 2006-03-29 2011-06-21 Dolby International Ab Reduced number of channels decoding
KR20080071971A (ko) 2006-03-30 2008-08-05 엘지전자 주식회사 미디어 신호 처리 방법 및 장치
TWI517562B (zh) 2006-04-04 2016-01-11 杜比實驗室特許公司 用於將多聲道音訊信號之全面感知響度縮放一期望量的方法、裝置及電腦程式
DK2011234T3 (da) 2006-04-27 2011-03-14 Dolby Lab Licensing Corp Audioforstærkningskontrol anvendende specifik-lydstyrke-baseret auditiv hændelsesdetektering
ATE527833T1 (de) 2006-05-04 2011-10-15 Lg Electronics Inc Verbesserung von stereo-audiosignalen mittels neuabmischung
EP1862813A1 (de) * 2006-05-31 2007-12-05 Honda Research Institute Europe GmbH Verfahren zur Kalkulation der Position einer Schallquelle für Online-Kalibrierung von Hörsignalen zu Standorttransformationen
JP5134623B2 (ja) * 2006-07-07 2013-01-30 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 複数のパラメータ的に符号化された音源を合成するための概念
USRE50746E1 (en) * 2006-07-07 2026-01-06 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Concept for combining multiple parametrically coded audio sources
EP2048658B1 (de) * 2006-08-04 2013-10-09 Panasonic Corporation Stereoaudio-kodierungseinrichtung, stereoaudio-dekodierungseinrichtung und verfahren dafür
US20080235006A1 (en) 2006-08-18 2008-09-25 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal
CN101479787B (zh) * 2006-09-29 2012-12-26 Lg电子株式会社 用于编码和解码基于对象的音频信号的方法和装置
RU2009116275A (ru) * 2006-09-29 2010-11-10 ЭлДжи ЭЛЕКТРОНИКС ИНК. (KR) Способы и устройства кодирования и декодирования объектно-ориентированных аудиосигналов
MX2008012251A (es) * 2006-09-29 2008-10-07 Lg Electronics Inc Metodos y aparatos para codificar y descodificar señales de audio basadas en objeto.
EP2084901B1 (de) 2006-10-12 2015-12-09 LG Electronics Inc. Vorrichtung zum verarbeiten eines mischsignals und verfahren dafür
CN101529721B (zh) 2006-10-20 2012-05-23 杜比实验室特许公司 使用复位的音频动态处理
KR101100221B1 (ko) 2006-11-15 2011-12-28 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 그 장치
US8265941B2 (en) 2006-12-07 2012-09-11 Lg Electronics Inc. Method and an apparatus for decoding an audio signal
CA2670864C (en) 2006-12-07 2015-09-29 Lg Electronics Inc. A method and an apparatus for processing an audio signal
KR101370354B1 (ko) 2007-02-06 2014-03-06 코닌클리케 필립스 엔.브이. 낮은 복잡도 파라메트릭 스테레오 디코더
US20100119073A1 (en) * 2007-02-13 2010-05-13 Lg Electronics, Inc. Method and an apparatus for processing an audio signal
TWI431610B (zh) 2007-02-14 2014-03-21 Lg Electronics Inc 用以將以物件為主之音訊信號編碼與解碼之方法與裝置
JP4277234B2 (ja) * 2007-03-13 2009-06-10 ソニー株式会社 データ復元装置、データ復元方法及びデータ復元プログラム
US20100106271A1 (en) * 2007-03-16 2010-04-29 Lg Electronics Inc. Method and an apparatus for processing an audio signal
KR101453732B1 (ko) * 2007-04-16 2014-10-24 삼성전자주식회사 스테레오 신호 및 멀티 채널 신호 부호화 및 복호화 방법및 장치
EP2158587A4 (de) * 2007-06-08 2010-06-02 Lg Electronics Inc Verfahren und vorrichtung zum verarbeiten eines audiosignals
EP2172929B1 (de) * 2007-06-27 2018-08-01 NEC Corporation Übertragunseinheit, system zur signalanalysesteuerung und verfahren dafür
CN101802907B (zh) * 2007-09-19 2013-11-13 爱立信电话股份有限公司 多信道音频的联合增强
GB2453117B (en) 2007-09-25 2012-05-23 Motorola Mobility Inc Apparatus and method for encoding a multi channel audio signal
KR101464977B1 (ko) * 2007-10-01 2014-11-25 삼성전자주식회사 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치
KR101290394B1 (ko) * 2007-10-17 2013-07-26 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다운믹스를 이용한 오디오 코딩
EP2232700B1 (de) 2007-12-21 2014-08-13 Dts Llc System zur einstellung der wahrgenommenen lautstärke von tonsignalen
KR20090110244A (ko) * 2008-04-17 2009-10-21 삼성전자주식회사 오디오 시맨틱 정보를 이용한 오디오 신호의 부호화/복호화 방법 및 그 장치
JP5309944B2 (ja) * 2008-12-11 2013-10-09 富士通株式会社 オーディオ復号装置、方法、及びプログラム
EP2214162A1 (de) 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aufwärtsmischer, Verfahren und Computerprogramm zur Aufwärtsmischung eines Downmix-Tonsignals
CN103325374B (zh) * 2009-04-08 2017-06-06 弗劳恩霍夫应用研究促进协会 使用相位值平滑对下混频音频信号进行上混频的装置、方法和计算机程序
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
US8538042B2 (en) 2009-08-11 2013-09-17 Dts Llc System for increasing perceived loudness of speakers
TWI433137B (zh) 2009-09-10 2014-04-01 Dolby Int Ab 藉由使用參數立體聲改良調頻立體聲收音機之聲頻信號之設備與方法
US20120265542A1 (en) * 2009-10-16 2012-10-18 France Telecom Optimized parametric stereo decoding
MX2012005781A (es) * 2009-11-20 2012-11-06 Fraunhofer Ges Forschung Aparato para proporcionar una representacion de señal de mezcla ascendente con base en la representacion de señal de mezcla descendente, aparato para proporcionar un flujo de bits que representa una señal de audio multicanal, metodos, programas informaticos y flujo de bits que representan una señal de audio multicanal usando un parametro de combinacion lineal.
WO2011083981A2 (en) * 2010-01-06 2011-07-14 Lg Electronics Inc. An apparatus for processing an audio signal and method thereof
JP5333257B2 (ja) 2010-01-20 2013-11-06 富士通株式会社 符号化装置、符号化システムおよび符号化方法
US8718290B2 (en) 2010-01-26 2014-05-06 Audience, Inc. Adaptive noise reduction using level cues
WO2011095913A1 (en) * 2010-02-02 2011-08-11 Koninklijke Philips Electronics N.V. Spatial sound reproduction
CN102157152B (zh) 2010-02-12 2014-04-30 华为技术有限公司 立体声编码的方法、装置
AU2011219918B2 (en) * 2010-02-24 2013-11-28 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus for generating an enhanced downmix signal, method for generating an enhanced downmix signal and computer program
US9628930B2 (en) * 2010-04-08 2017-04-18 City University Of Hong Kong Audio spatial effect enhancement
US9378754B1 (en) 2010-04-28 2016-06-28 Knowles Electronics, Llc Adaptive spatial classifier for multi-microphone systems
CN102314882B (zh) * 2010-06-30 2012-10-17 华为技术有限公司 声音信号通道间延时估计的方法及装置
MX2013002188A (es) 2010-08-25 2013-03-18 Fraunhofer Ges Forschung Aparato para generar una señal decorrelacionada utilizando informacion de fase transmitida.
KR101697550B1 (ko) * 2010-09-16 2017-02-02 삼성전자주식회사 멀티채널 오디오 대역폭 확장 장치 및 방법
WO2013017435A1 (en) 2011-08-04 2013-02-07 Dolby International Ab Improved fm stereo radio receiver by using parametric stereo
US9666200B2 (en) * 2012-02-23 2017-05-30 Dolby International Ab Methods and systems for efficient recovery of high frequency audio content
US9312829B2 (en) 2012-04-12 2016-04-12 Dts Llc System for adjusting loudness of audio signals in real time
US9761229B2 (en) * 2012-07-20 2017-09-12 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for audio object clustering
US9516446B2 (en) 2012-07-20 2016-12-06 Qualcomm Incorporated Scalable downmix design for object-based surround codec with cluster analysis by synthesis
EP2717265A1 (de) * 2012-10-05 2014-04-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codierer, Decodierer und Verfahren zur rückwärtskompatiblen dynamischen Anpassung von Zeit-/Frequenz-Auflösung bei Spatial-Audio-Object-Coding
US10219093B2 (en) * 2013-03-14 2019-02-26 Michael Luna Mono-spatial audio processing to provide spatial messaging
EP2974010B1 (de) * 2013-03-15 2021-08-18 DTS, Inc. Automatische mehrkanalige musikmischung aus mehreren audioquellen
CN116741187A (zh) 2013-04-05 2023-09-12 杜比国际公司 立体声音频编码器和解码器
US20160064004A1 (en) * 2013-04-15 2016-03-03 Nokia Technologies Oy Multiple channel audio signal encoder mode determiner
TWI579831B (zh) 2013-09-12 2017-04-21 杜比國際公司 用於參數量化的方法、用於量化的參數之解量化方法及其電腦可讀取的媒體、音頻編碼器、音頻解碼器及音頻系統
UA117258C2 (uk) 2013-10-21 2018-07-10 Долбі Інтернешнл Аб Структура декорелятора для параметричного відновлення звукових сигналів
EP2963648A1 (de) 2014-07-01 2016-01-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audioprozessor und Verfahren zur Verarbeitung eines Audiosignals mit vertikaler Phasenkorrektur
JP2017530579A (ja) 2014-08-14 2017-10-12 レンセラール ポリテクニック インスティチュート 両耳統合相互相関自己相関メカニズム
FR3048808A1 (fr) * 2016-03-10 2017-09-15 Orange Codage et decodage optimise d'informations de spatialisation pour le codage et le decodage parametrique d'un signal audio multicanal
US10224042B2 (en) 2016-10-31 2019-03-05 Qualcomm Incorporated Encoding of multiple audio signals
CN109215667B (zh) * 2017-06-29 2020-12-22 华为技术有限公司 时延估计方法及装置
EP3707706B1 (de) * 2017-11-10 2021-08-04 Nokia Technologies Oy Bestimmung der codierung von raumaudioparametern und zugehörige decodierung
CN111065040A (zh) * 2020-01-03 2020-04-24 天域全感音科技有限公司 一种单声道音频信号处理装置及方法
UA130176C2 (uk) 2020-12-02 2025-12-03 Долбі Лабораторіс Лайсензін Корпорейшн Носій інформації та спосіб кодування звукового сигналу, в якому використовують стратегію понижувального мікшування
KR102792998B1 (ko) 2021-07-08 2025-04-07 붐클라우드 360 인코포레이티드 올패스 필터 네트워크를 사용한 고도 지각적 큐의 무색 생성
CN120112994B (zh) * 2023-07-14 2026-03-17 北京小米移动软件有限公司 信号处理方法及其装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8901032A (nl) * 1988-11-10 1990-06-01 Philips Nv Coder om extra informatie op te nemen in een digitaal audiosignaal met een tevoren bepaald formaat, een decoder om deze extra informatie uit dit digitale signaal af te leiden, een inrichting voor het opnemen van een digitaal signaal op een registratiedrager, voorzien van de coder, en een registratiedrager verkregen met deze inrichting.
JPH0454100A (ja) * 1990-06-22 1992-02-21 Clarion Co Ltd 音声信号補償回路
GB2252002B (en) * 1991-01-11 1995-01-04 Sony Broadcast & Communication Compression of video signals
NL9100173A (nl) * 1991-02-01 1992-09-01 Philips Nv Subbandkodeerinrichting, en een zender voorzien van de kodeerinrichting.
GB2258781B (en) * 1991-08-13 1995-05-03 Sony Broadcast & Communication Data compression
FR2688371B1 (fr) * 1992-03-03 1997-05-23 France Telecom Procede et systeme de spatialisation artificielle de signaux audio-numeriques.
JPH09274500A (ja) * 1996-04-09 1997-10-21 Matsushita Electric Ind Co Ltd ディジタルオーディオ信号の符号化方法
DE19647399C1 (de) * 1996-11-15 1998-07-02 Fraunhofer Ges Forschung Gehörangepaßte Qualitätsbeurteilung von Audiotestsignalen
US5890125A (en) * 1997-07-16 1999-03-30 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding multiple audio channels at low bit rates using adaptive selection of encoding method
GB9726338D0 (en) 1997-12-13 1998-02-11 Central Research Lab Ltd A method of processing an audio signal
US6016473A (en) * 1998-04-07 2000-01-18 Dolby; Ray M. Low bit-rate spatial coding method and system
US6539357B1 (en) * 1999-04-29 2003-03-25 Agere Systems Inc. Technique for parametric coding of a signal containing information
GB2353926B (en) * 1999-09-04 2003-10-29 Central Research Lab Ltd Method and apparatus for generating a second audio signal from a first audio signal
US20030035553A1 (en) * 2001-08-10 2003-02-20 Frank Baumgarte Backwards-compatible perceptual coding of spatial cues
EP1881486B1 (de) * 2002-04-22 2009-03-18 Koninklijke Philips Electronics N.V. Dekodiervorrichtung mit Dekorreliereinheit

Also Published As

Publication number Publication date
EP1500084B1 (de) 2008-01-23
EP1881486A1 (de) 2008-01-23
JP5101579B2 (ja) 2012-12-19
US8340302B2 (en) 2012-12-25
AU2003219426A1 (en) 2003-11-03
BRPI0304540B1 (pt) 2017-12-12
KR100978018B1 (ko) 2010-08-25
DE60318835D1 (de) 2008-03-13
US20090287495A1 (en) 2009-11-19
KR101016982B1 (ko) 2011-02-28
ES2323294T3 (es) 2009-07-10
CN1647155A (zh) 2005-07-27
EP1500084A1 (de) 2005-01-26
US20130094654A1 (en) 2013-04-18
KR20100039433A (ko) 2010-04-15
JP4714416B2 (ja) 2011-06-29
ATE385025T1 (de) 2008-02-15
ES2300567T3 (es) 2008-06-16
JP2012161087A (ja) 2012-08-23
JP5498525B2 (ja) 2014-05-21
EP1881486B1 (de) 2009-03-18
US20080170711A1 (en) 2008-07-17
CN1307612C (zh) 2007-03-28
KR20040102164A (ko) 2004-12-03
US9137603B2 (en) 2015-09-15
DE60326782D1 (de) 2009-04-30
DE60318835T2 (de) 2009-01-22
US8331572B2 (en) 2012-12-11
JP2005523480A (ja) 2005-08-04
JP2009271554A (ja) 2009-11-19
WO2003090208A1 (en) 2003-10-30
BR0304540A (pt) 2004-07-20

Similar Documents

Publication Publication Date Title
ATE426235T1 (de) Dekodiervorrichtung mit dekorreliereinheit
ATE339759T1 (de) Audiocodierung
ES2701812T3 (es) Decodificador de audio multicanal, procedimiento y programa informático que utilizan un ajuste de una contribución de una señal decorrelacionada
TW200721111A (en) Audio coding
WO2006026161A3 (en) Temporal envelope shaping for spatial audio coding using frequency domain wiener filtering
PL1866912T3 (pl) Kodowanie wielokanałowego sygnału audio
MY159022A (en) Improved audio coding system using spectral hole filling
MX2010004220A (es) Codificacion de audio usando mezcla descendente.
PL1866911T3 (pl) Skalowalne, wielokanałowe kodowanie dźwięku
DE602005006424D1 (de) Stereokompatible mehrkanal-audiokodierung
TW200625275A (en) Cue-based audio coding/decoding
PL1803117T3 (pl) Kształtowanie obwiedni czasowej pojedynczych kanałów w schematach kodowania binauralnego i podobnych
EP1909265A3 (de) Erweiterte Verfahren zur Interpolation und Parametersignalisierung
ATE215295T1 (de) Verfahren und vorrichtung zur codierung und decodierung mehrere tonkanäle mit geringer bitrate
EP2391146A3 (de) Vorrichtungen und Verfahren zur verlustfreien Kodierung und Dekodierung von Mehrkanaligen Signalen
WO2006060280A3 (en) Parametric coding of spatial audio with cues based on transmitted channels
PL1902443T3 (pl) Kodowanie i dekodowanie sygnałów audio
TW200617884A (en) Apparatus and method for generating a multi-channel output signal
EP1400955A3 (de) Quantisierung und inverse Quantisierung für Tonsignale
WO2008103766A3 (en) Computational complexity and precision control in transform-based digital media codec
TW200703238A (en) Energy dependent quantization for efficient coding of spatial audio parameters
ATE406651T1 (de) Audiokodierung und audiodekodierung
AU7486200A (en) Multimode speech encoder
AU2001286350A1 (en) Multi-channel signal encoding and decoding
AU2002230176A1 (en) Ion-exchange resin membrane and process for producing the same

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties