DE60039278D1 - Kombinierte Stereokodierung von Audiosignalen - Google Patents

Kombinierte Stereokodierung von Audiosignalen

Info

Publication number
DE60039278D1
DE60039278D1 DE60039278T DE60039278T DE60039278D1 DE 60039278 D1 DE60039278 D1 DE 60039278D1 DE 60039278 T DE60039278 T DE 60039278T DE 60039278 T DE60039278 T DE 60039278T DE 60039278 D1 DE60039278 D1 DE 60039278D1
Authority
DE
Germany
Prior art keywords
audio signals
stereo encoding
combined stereo
combined
encoding
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.)
Expired - Lifetime
Application number
DE60039278T
Other languages
English (en)
Inventor
Deepen Sinha
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia of America Corp
Original Assignee
Lucent Technologies Inc
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
Application filed by Lucent Technologies Inc filed Critical Lucent Technologies Inc
Application granted granted Critical
Publication of DE60039278D1 publication Critical patent/DE60039278D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S1/00Two-channel systems
    • H04S1/007Two-channel systems in which the audio signals are in digital form
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
DE60039278T 1999-12-03 2000-11-27 Kombinierte Stereokodierung von Audiosignalen Expired - Lifetime DE60039278D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/454,026 US6539357B1 (en) 1999-04-29 1999-12-03 Technique for parametric coding of a signal containing information

Publications (1)

Publication Number Publication Date
DE60039278D1 true DE60039278D1 (de) 2008-08-07

Family

ID=23802983

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60039278T Expired - Lifetime DE60039278D1 (de) 1999-12-03 2000-11-27 Kombinierte Stereokodierung von Audiosignalen

Country Status (5)

Country Link
US (1) US6539357B1 (de)
EP (1) EP1107232B1 (de)
JP (2) JP2001209399A (de)
CA (1) CA2326495C (de)
DE (1) DE60039278D1 (de)

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6961432B1 (en) * 1999-04-29 2005-11-01 Agere Systems Inc. Multidescriptive coding technique for multistream communication of signals
JP3507743B2 (ja) * 1999-12-22 2004-03-15 インターナショナル・ビジネス・マシーンズ・コーポレーション 圧縮オーディオデータへの電子透かし方法およびそのシステム
US7583805B2 (en) * 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
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
US20030035553A1 (en) * 2001-08-10 2003-02-20 Frank Baumgarte Backwards-compatible perceptual coding of spatial cues
US7116787B2 (en) * 2001-05-04 2006-10-03 Agere Systems Inc. Perceptual synthesis of auditory scenes
US6804565B2 (en) * 2001-05-07 2004-10-12 Harman International Industries, Incorporated Data-driven software architecture for digital sound processing and equalization
US7447321B2 (en) 2001-05-07 2008-11-04 Harman International Industries, Incorporated Sound processing system for configuration of audio signals in a vehicle
US7451006B2 (en) * 2001-05-07 2008-11-11 Harman International Industries, Incorporated Sound processing system using distortion limiting techniques
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
US8605911B2 (en) 2001-07-10 2013-12-10 Dolby International Ab Efficient and scalable parametric stereo coding for low bitrate audio coding applications
DE10154932B4 (de) * 2001-11-08 2008-01-03 Grundig Multimedia B.V. Verfahren zur Audiocodierung
JP3870193B2 (ja) 2001-11-29 2007-01-17 コーディング テクノロジーズ アクチボラゲット 高周波再構成に用いる符号器、復号器、方法及びコンピュータプログラム
WO2003085643A1 (en) * 2002-04-10 2003-10-16 Koninklijke Philips Electronics N.V. Coding of stereo signals
ATE459957T1 (de) * 2002-04-10 2010-03-15 Koninkl Philips Electronics Nv Kodierung und dekodierung für mehrkanalige signale
DE60326782D1 (de) 2002-04-22 2009-04-30 Koninkl Philips Electronics Nv Dekodiervorrichtung mit Dekorreliereinheit
EP1500083B1 (de) * 2002-04-22 2006-06-28 Koninklijke Philips Electronics N.V. Parametrische beschreibung von mehrkanal-audio
US7492908B2 (en) * 2002-05-03 2009-02-17 Harman International Industries, Incorporated Sound localization system based on analysis of the sound field
CN100539742C (zh) * 2002-07-12 2009-09-09 皇家飞利浦电子股份有限公司 多声道音频信号编解码方法和装置
AU2003281128A1 (en) * 2002-07-16 2004-02-02 Koninklijke Philips Electronics N.V. Audio coding
SE0202770D0 (sv) 2002-09-18 2002-09-18 Coding Technologies Sweden Ab Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks
RU2005120236A (ru) 2002-11-28 2006-01-20 Конинклейке Филипс Электроникс Н.В. (Nl) Кодирование аудиосигнала
DE602004002390T2 (de) * 2003-02-11 2007-09-06 Koninklijke Philips Electronics N.V. Audiocodierung
DE602004029872D1 (de) 2003-03-17 2010-12-16 Koninkl Philips Electronics Nv Verarbeitung von mehrkanalsignalen
US20060171542A1 (en) * 2003-03-24 2006-08-03 Den Brinker Albertus C Coding of main and side signal representing a multichannel signal
US20040264713A1 (en) * 2003-06-27 2004-12-30 Robert Grzesek Adaptive audio communication code
US7792670B2 (en) * 2003-12-19 2010-09-07 Motorola, Inc. Method and apparatus for speech coding
US7805313B2 (en) * 2004-03-04 2010-09-28 Agere Systems Inc. Frequency-based coding of channels in parametric multi-channel coding systems
CN1938760B (zh) 2004-04-05 2012-05-23 皇家飞利浦电子股份有限公司 多通道编码器
RU2392671C2 (ru) * 2004-04-05 2010-06-20 Конинклейке Филипс Электроникс Н.В. Способы и устройства для кодирования и декодирования стереосигнала
CN102122509B (zh) * 2004-04-05 2016-03-23 皇家飞利浦电子股份有限公司 多信道解码器和多信道解码方法
JP4939933B2 (ja) * 2004-05-19 2012-05-30 パナソニック株式会社 オーディオ信号符号化装置及びオーディオ信号復号化装置
DE602005011439D1 (de) * 2004-06-21 2009-01-15 Koninkl Philips Electronics Nv Verfahren und vorrichtung zum kodieren und dekodieren von mehrkanaltonsignalen
ES2373728T3 (es) * 2004-07-14 2012-02-08 Koninklijke Philips Electronics N.V. Método, dispositivo, aparato codificador, aparato decodificador y sistema de audio.
EP1769491B1 (de) * 2004-07-14 2009-09-30 Koninklijke Philips Electronics N.V. Tonkanalkonvertierung
KR100658222B1 (ko) * 2004-08-09 2006-12-15 한국전자통신연구원 3차원 디지털 멀티미디어 방송 시스템
US8046217B2 (en) * 2004-08-27 2011-10-25 Panasonic Corporation Geometric calculation of absolute phases for parametric stereo decoding
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
KR101158709B1 (ko) 2004-09-06 2012-06-22 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 신호 강화
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
US7720230B2 (en) * 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
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
JP5106115B2 (ja) 2004-11-30 2012-12-26 アギア システムズ インコーポレーテッド オブジェクト・ベースのサイド情報を用いる空間オーディオのパラメトリック・コーディング
US7787631B2 (en) * 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
US7761304B2 (en) * 2004-11-30 2010-07-20 Agere Systems Inc. Synchronizing parametric coding of spatial audio with externally provided downmix
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
EP1866913B1 (de) * 2005-03-30 2008-08-27 Koninklijke Philips Electronics N.V. Audiokodierung und audiodekodierung
US7991610B2 (en) * 2005-04-13 2011-08-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Adaptive grouping of parameters for enhanced coding efficiency
US7961890B2 (en) 2005-04-15 2011-06-14 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung, E.V. Multi-channel hierarchical audio coding with compact side information
KR101259203B1 (ko) * 2005-04-28 2013-04-29 파나소닉 주식회사 음성 부호화 장치와 음성 부호화 방법, 무선 통신 이동국 장치 및 무선 통신 기지국 장치
WO2006118179A1 (ja) * 2005-04-28 2006-11-09 Matsushita Electric Industrial Co., Ltd. 音声符号化装置および音声符号化方法
US8626503B2 (en) * 2005-07-14 2014-01-07 Erik Gosuinus Petrus Schuijers Audio encoding and decoding
EP1921605B1 (de) * 2005-09-01 2014-03-12 Panasonic Corporation Mehrkanalige verarbeitungseinrichtung für akustische signale
US7974713B2 (en) 2005-10-12 2011-07-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Temporal and spatial shaping of multi-channel audio signals
BRPI0713236B1 (pt) * 2006-07-07 2020-03-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Conceito para combinação de múltiplas fontes de áudio parametricamente codificadas
US8265941B2 (en) 2006-12-07 2012-09-11 Lg Electronics Inc. Method and an apparatus for decoding an audio signal
JP5302207B2 (ja) 2006-12-07 2013-10-02 エルジー エレクトロニクス インコーポレイティド オーディオ処理方法及び装置
CN101071570B (zh) * 2007-06-21 2011-02-16 北京中星微电子有限公司 耦合声道的编、解码处理方法、音频编码装置及解码装置
KR100922897B1 (ko) * 2007-12-11 2009-10-20 한국전자통신연구원 Mdct 영역에서 음질 향상을 위한 후처리 필터장치 및필터방법
US8817992B2 (en) 2008-08-11 2014-08-26 Nokia Corporation Multichannel audio coder and decoder
KR101433701B1 (ko) 2009-03-17 2014-08-28 돌비 인터네셔널 에이비 적응형으로 선택가능한 좌/우 또는 미드/사이드 스테레오 코딩과 파라메트릭 스테레오 코딩의 조합에 기초한 진보된 스테레오 코딩
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
RU2559899C2 (ru) 2010-04-09 2015-08-20 Долби Интернешнл Аб Стереофоническое кодирование на основе mdct с комплексным предсказанием
PL3779975T3 (pl) * 2010-04-13 2023-12-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dekoder audio i powiązane sposoby przetwarzania wielokanałowych sygnałów audio stereo z wykorzystaniem zmiennego kierunku predykcji
UA107771C2 (en) * 2011-09-29 2015-02-10 Dolby Int Ab Prediction-based fm stereo radio noise reduction
CN108877815B (zh) * 2017-05-16 2021-02-23 华为技术有限公司 一种立体声信号处理方法及装置
US10891960B2 (en) * 2017-09-11 2021-01-12 Qualcomm Incorproated Temporal offset estimation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8601182A (nl) * 1986-05-12 1987-12-01 Philips Nv Werkwijze en inrichting voor het opnemen en/of weergeven van een beeldsignaal en een bijbehorend audiosignaal in respektievelijk van een registratiedrager, en een registratiedrager verkregen volgens de werkwijze.
NL9000338A (nl) * 1989-06-02 1991-01-02 Koninkl Philips Electronics Nv Digitaal transmissiesysteem, zender en ontvanger te gebruiken in het transmissiesysteem en registratiedrager verkregen met de zender in de vorm van een optekeninrichting.
US5632005A (en) * 1991-01-08 1997-05-20 Ray Milton Dolby Encoder/decoder for multidimensional sound fields
JPH04324727A (ja) * 1991-04-24 1992-11-13 Fujitsu Ltd ステレオ符号化伝送方式
DE4202140A1 (de) * 1992-01-27 1993-07-29 Thomson Brandt Gmbh Verfahren zur uebertragung digitaler audio-signale
US5285498A (en) * 1992-03-02 1994-02-08 At&T Bell Laboratories Method and apparatus for coding audio signals based on perceptual model
ES2165370T3 (es) * 1993-06-22 2002-03-16 Thomson Brandt Gmbh Metodo para obtener una matriz decodificadora multicanal.
US5438623A (en) * 1993-10-04 1995-08-01 The United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration Multi-channel spatialization system for audio signals
US5703877A (en) 1995-11-22 1997-12-30 General Instrument Corporation Of Delaware Acquisition and error recovery of audio data carried in a packetized data stream
DE19628292B4 (de) * 1996-07-12 2007-08-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Codieren und Decodieren von Stereoaudiospektralwerten
US5796844A (en) * 1996-07-19 1998-08-18 Lexicon Multichannel active matrix sound reproduction with maximum lateral separation

Also Published As

Publication number Publication date
JP2001209399A (ja) 2001-08-03
CA2326495A1 (en) 2001-06-03
JP4865010B2 (ja) 2012-02-01
EP1107232B1 (de) 2008-06-25
EP1107232A3 (de) 2002-10-16
JP2009205185A (ja) 2009-09-10
EP1107232A2 (de) 2001-06-13
CA2326495C (en) 2004-02-03
US6539357B1 (en) 2003-03-25

Similar Documents

Publication Publication Date Title
DE60039278D1 (de) Kombinierte Stereokodierung von Audiosignalen
DE60006674D1 (de) Verminderung von signalverzerrungen
NO20016090L (no) Fremgangsmåte for dekoding av et lydsignal
AU3452099A (en) In-home theater surround sound speaker system
AU2003209957A1 (en) Coding of stereo signals
DE69939510D1 (de) Tonsignalverarbeitungsschaltung
ID28834A (id) Prosesor sinyal reproduksi
DE69939976D1 (de) Digitaler Lautsprecher
DE60042335D1 (de) Mehrkanal-audiosignalverarbeitungsgerät
DE60142269D1 (de) Lautsprechersystem
ID29074A (id) Prosesor reproduksi sinyal digital
DE50208467D1 (de) Schaltungsanordnung zur Verbesserung der Verständlichkeit von Sprache enthaltenden Audiosignalen
DE60015448D1 (de) Teilband-Audiokodiersystem
DE69921532D1 (de) Synthese von Raumklang QSOUND aus Stereosignalen
DE69927358D1 (de) Audiosignalprozessor
DE60011894D1 (de) Persönlicher digitaler multi-format audiospieler
ID27346A (id) Peralatan pengenal suara
DE69941808D1 (de) Audiosignalverarbeitung
DE69737087D1 (de) System zur Verbesserung des Raumklangeffektes von Stereoton oder kodierten Tonsignalen
NO20035752L (no) Audiosystem
DE60238020D1 (de) Digitales Audiosignalwiedergabegerät
DE60039279D1 (de) Kompatible Formatierung für die Kodierung von Audiosignalen
DE69837173D1 (de) Enkodierung digitaler Signale
DE69824063D1 (de) Normalisierung von Sprachsignalen
DE59808816D1 (de) Audioabspielgerät

Legal Events

Date Code Title Description
8364 No opposition during term of opposition