ATE355590T1 - Audiosignalsynthese - Google Patents

Audiosignalsynthese

Info

Publication number
ATE355590T1
ATE355590T1 AT04727357T AT04727357T ATE355590T1 AT E355590 T1 ATE355590 T1 AT E355590T1 AT 04727357 T AT04727357 T AT 04727357T AT 04727357 T AT04727357 T AT 04727357T AT E355590 T1 ATE355590 T1 AT E355590T1
Authority
AT
Austria
Prior art keywords
signal
transformed
sub
band
audio signal
Prior art date
Application number
AT04727357T
Other languages
English (en)
Inventor
Erik G P Schuijers
Middelink Marc W T Klein
Arnoldus W J Oomen
De Kerkhof Leon M 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=33300979&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE355590(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 ATE355590T1 publication Critical patent/ATE355590T1/de

Links

Classifications

    • 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 
    • 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
    • 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
    • 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

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)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
AT04727357T 2003-04-17 2004-04-14 Audiosignalsynthese ATE355590T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03076134 2003-04-17
EP03076166 2003-04-18

Publications (1)

Publication Number Publication Date
ATE355590T1 true ATE355590T1 (de) 2006-03-15

Family

ID=33300979

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04727357T ATE355590T1 (de) 2003-04-17 2004-04-14 Audiosignalsynthese

Country Status (12)

Country Link
US (1) US8311809B2 (de)
EP (1) EP1618763B1 (de)
JP (1) JP4834539B2 (de)
KR (2) KR101200776B1 (de)
CN (2) CN1774957A (de)
AT (1) ATE355590T1 (de)
BR (1) BRPI0409337A (de)
DE (1) DE602004005020T2 (de)
ES (1) ES2281795T3 (de)
PL (1) PL1618763T3 (de)
RU (1) RU2005135650A (de)
WO (1) WO2004093495A1 (de)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US6934677B2 (en) 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
ATE355590T1 (de) 2003-04-17 2006-03-15 Koninkl Philips Electronics Nv Audiosignalsynthese
US7460990B2 (en) * 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
KR100707177B1 (ko) * 2005-01-19 2007-04-13 삼성전자주식회사 디지털 신호 부호화/복호화 방법 및 장치
KR101194902B1 (ko) * 2005-02-24 2012-10-25 파나소닉 주식회사 데이터 재생장치
US8082157B2 (en) 2005-06-30 2011-12-20 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
EP1946294A2 (de) 2005-06-30 2008-07-23 LG Electronics Inc. Vorrichtung zum codieren und decodieren von audiosignalen und verfahren dafür
US7917561B2 (en) 2005-09-16 2011-03-29 Coding Technologies Ab Partially complex modulated filter bank
US8443026B2 (en) 2005-09-16 2013-05-14 Dolby International Ab Partially complex modulated filter bank
JP2009511948A (ja) 2005-10-05 2009-03-19 エルジー エレクトロニクス インコーポレイティド 信号処理方法及び装置、エンコーディング及びデコーディング方法並びにそのための装置
US7742913B2 (en) 2005-10-24 2010-06-22 Lg Electronics Inc. Removing time delays in signal paths
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
US7831434B2 (en) * 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
US8190425B2 (en) * 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
JP2007221445A (ja) * 2006-02-16 2007-08-30 Sharp Corp サラウンドシステム
KR100754220B1 (ko) 2006-03-07 2007-09-03 삼성전자주식회사 Ｍｐｅｇ 서라운드를 위한 바이노럴 디코더 및 그 디코딩방법
EP2052548B1 (de) 2006-12-12 2012-02-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kodierer, dekodierer und verfahren zur kodierung und dekodierung von datensegmenten zur darstellung eines zeitdomänen-datenstroms
FR2910752B1 (fr) * 2006-12-22 2009-03-20 Commissariat Energie Atomique Procede de codage spatio-temporel pour systeme de communication multi-antenne de type uwb impulsionnel
AU2008243406B2 (en) 2007-04-26 2011-08-25 Dolby International Ab Apparatus and method for synthesizing an output signal
KR101411900B1 (ko) * 2007-05-08 2014-06-26 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 장치
KR101411901B1 (ko) * 2007-06-12 2014-06-26 삼성전자주식회사 오디오 신호의 부호화/복호화 방법 및 장치
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
PT2186090T (pt) * 2007-08-27 2017-03-07 ERICSSON TELEFON AB L M (publ) Detetor de transitórios e método para suportar codificação de um sinal de áudio
GB2453117B (en) * 2007-09-25 2012-05-23 Motorola Mobility Inc Apparatus and method for encoding a multi channel audio signal
DE102007048973B4 (de) * 2007-10-12 2010-11-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines Multikanalsignals mit einer Sprachsignalverarbeitung
AU2008326956B2 (en) 2007-11-21 2011-02-17 Lg Electronics Inc. A method and an apparatus for processing a signal
EP2212883B1 (de) * 2007-11-27 2012-06-06 Nokia Corporation Codierer
CA2708861C (en) 2007-12-18 2016-06-21 Lg Electronics Inc. A method and an apparatus for processing an audio signal
EP2250641B1 (de) * 2008-03-04 2011-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zum mischen mehrerer eingabedatenströme
EP2124486A1 (de) * 2008-05-13 2009-11-25 Clemens Par Winkelabhängig operierende Vorrichtung oder Methodik zur Gewinnung eines pseudostereophonen Audiosignals
EP2144230A1 (de) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierungs-/Audiodekodierungsschema geringer Bitrate mit kaskadierten Schaltvorrichtungen
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
EP2301020B1 (de) 2008-07-11 2013-01-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur kodierung/dekodierung eines tonsignals anhand eines aliasing-schaltschemas
EP2154911A1 (de) * 2008-08-13 2010-02-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur Bestimmung eines räumlichen Mehrkanalausgangsaudiosignals
KR20130133917A (ko) * 2008-10-08 2013-12-09 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다중 분해능 스위치드 오디오 부호화/복호화 방법
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
US8762158B2 (en) * 2010-08-06 2014-06-24 Samsung Electronics Co., Ltd. Decoding method and decoding apparatus therefor
MY156027A (en) 2010-08-12 2015-12-31 Fraunhofer Ges Forschung Resampling output signals of qmf based audio codecs
EP2523473A1 (de) 2011-05-11 2012-11-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Erzeugung eines Ausgabesignals mithilfe einer Dekompositionsvorrichtung
US9237870B2 (en) * 2011-10-28 2016-01-19 Koninklijke Philips N.V. Device and method for processing heart sounds for ausculation
EP2704142B1 (de) * 2012-08-27 2015-09-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Wiedergabe eines Audiosignals, Vorrichtung und Verfahren zur Erzeugung eines codierten Audiosignals, Computerprogramm und codiertes Audiosignal
KR101717006B1 (ko) * 2013-04-05 2017-03-15 돌비 인터네셔널 에이비 오디오 프로세싱 시스템
EP2830065A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Decodierung eines codierten Audiosignals unter Verwendung eines Überschneidungsfilters um eine Übergangsfrequenz
BR112016005167B1 (pt) 2013-09-12 2021-12-28 Dolby International Ab Decodificador de áudio, codificador de áudio e método para alinhamento no tempo de dados de processamento baseados em qmf
KR102159990B1 (ko) * 2013-09-17 2020-09-25 주식회사 윌러스표준기술연구소 멀티미디어 신호 처리 방법 및 장치
UA117258C2 (uk) 2013-10-21 2018-07-10 Долбі Інтернешнл Аб Структура декорелятора для параметричного відновлення звукових сигналів
KR102144332B1 (ko) * 2014-07-01 2020-08-13 한국전자통신연구원 다채널 오디오 신호 처리 방법 및 장치
WO2016142002A1 (en) 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5235646A (en) * 1990-06-15 1993-08-10 Wilde Martin D Method and apparatus for creating de-correlated audio output signals and audio recordings made thereby
GB9107011D0 (en) * 1991-04-04 1991-05-22 Gerzon Michael A Illusory sound distance control method
JP3127600B2 (ja) * 1992-09-11 2001-01-29 ソニー株式会社 ディジタル信号復号化装置及び方法
US5774844A (en) * 1993-11-09 1998-06-30 Sony Corporation Methods and apparatus for quantizing, encoding and decoding and recording media therefor
JP2953347B2 (ja) * 1995-06-06 1999-09-27 日本ビクター株式会社 サラウンド信号処理装置
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
US5835375A (en) * 1996-01-02 1998-11-10 Ati Technologies Inc. Integrated MPEG audio decoder and signal processor
DE19632734A1 (de) * 1996-08-14 1998-02-19 Thomson Brandt Gmbh Verfahren und Vorrichtung zum Generieren eines Mehrton-Signals aus einem Mono-Signal
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
US6199039B1 (en) * 1998-08-03 2001-03-06 National Science Council Synthesis subband filter in MPEG-II audio decoding
TW390104B (en) * 1998-08-10 2000-05-11 Acer Labs Inc Method and device for down mixing of multi-sound-track compression audio frequency bit stream
DE19900819A1 (de) * 1999-01-12 2000-07-13 Bosch Gmbh Robert Verfahren zum Dekodieren gestörter Funksignale von Mehrkanal-Audiosendungen
US6487574B1 (en) * 1999-02-26 2002-11-26 Microsoft Corp. System and method for producing modulated complex lapped transforms
US6175631B1 (en) * 1999-07-09 2001-01-16 Stephen A. Davis Method and apparatus for decorrelating audio signals
US7006636B2 (en) * 2002-05-24 2006-02-28 Agere Systems Inc. Coherence-based audio coding and synthesis
JP3776004B2 (ja) * 2001-05-28 2006-05-17 シャープ株式会社 ディジタルデータの符号化方法
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
ATE355590T1 (de) 2003-04-17 2006-03-15 Koninkl Philips Electronics Nv Audiosignalsynthese

Also Published As

Publication number Publication date
WO2004093495A1 (en) 2004-10-28
US20070112559A1 (en) 2007-05-17
KR20110044281A (ko) 2011-04-28
EP1618763A1 (de) 2006-01-25
RU2005135650A (ru) 2006-03-20
JP2006523859A (ja) 2006-10-19
CN1774956B (zh) 2011-10-05
KR101200776B1 (ko) 2012-11-13
JP4834539B2 (ja) 2011-12-14
ES2281795T3 (es) 2007-10-01
KR101169596B1 (ko) 2012-07-30
KR20050122267A (ko) 2005-12-28
CN1774956A (zh) 2006-05-17
PL1618763T3 (pl) 2007-07-31
BRPI0409337A (pt) 2006-04-25
CN1774957A (zh) 2006-05-17
DE602004005020T2 (de) 2007-10-31
US8311809B2 (en) 2012-11-13
DE602004005020D1 (de) 2007-04-12
EP1618763B1 (de) 2007-02-28

Similar Documents

Publication Publication Date Title
ATE355590T1 (de) Audiosignalsynthese
ATE359687T1 (de) Audiosignalgenerierung
ATE354161T1 (de) Signalsynthese
AU2001247265A1 (en) Communication system noise cancellation power signal calculation techniques
DK1423988T3 (da) Retningsbestemt audiosignalbehandling ved brug af en oversamplet filterbank
DE602006005529D1 (de) Klasse-D Verstärker
EP2265041A3 (de) Erweiterte Verarbeitung auf der Basis einer mit komplexer Exponentialfunktion modulierten Filterbank und adaptive Zeitsignalisierungsverfahren
DE602007001877D1 (de) Verfahren und einrichtung zur effizienten binauralen raumklangerzeugung im transformierten bereich
WO2004028205A3 (en) Sound reproduction system, program and data carrier
DE69921532D1 (de) Synthese von Raumklang QSOUND aus Stereosignalen
MY154144A (en) Efficient filtering with a complex modulated filterbank
DE602005017502D1 (de) Mehrkanaldekorrelation für spatial audio coding
EP1267591A3 (de) Maschine zur Audiosignalwiedergabe und Verfahren dafür
ATE484161T1 (de) Tonsignalverarbeitung
GB2511441A (en) Electronically orbited speaker system
DE602004029872D1 (de) Verarbeitung von mehrkanalsignalen
WO2002095957A3 (en) Ultra wideband signal source
DE60326704D1 (de) Kopfhörer
ATE538603T1 (de) Audio-stereo-verarbeitungsverfahren, einrichtung und system
TW200627999A (en) Phase compensation techniques to adjust for speaker deficiencies
KR970007790A (ko) 음성 강조 회로
EP1217604A4 (de) Musiktonerzeuger
EP1777990A3 (de) Mehrkanal-Audio-System
JP2001160997A5 (de)
DK1305975T3 (da) Adaptivt mikrofonarraysystem med bevarelse af binaurale cues

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 1618763

Country of ref document: EP