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) CN1774956B (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 (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
PL1618763T3 (pl) 2003-04-17 2007-07-31 Koninl Philips Electronics Nv Synteza sygnału audio
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
WO2006090852A1 (ja) * 2005-02-24 2006-08-31 Matsushita Electric Industrial Co., Ltd. データ再生装置
US8494667B2 (en) 2005-06-30 2013-07-23 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
AU2006266655B2 (en) 2005-06-30 2009-08-20 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
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
US7742913B2 (en) 2005-10-24 2010-06-22 Lg Electronics Inc. Removing time delays in signal paths
US7831434B2 (en) * 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for 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
CA2672165C (en) 2006-12-12 2014-07-29 Ralf Geiger Encoder, decoder and methods for encoding and decoding data segments representing a time-domain data stream
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
RU2439719C2 (ru) * 2007-04-26 2012-01-10 Долби Свиден АБ Устройство и способ для синтезирования выходного сигнала
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
WO2009066960A1 (en) 2007-11-21 2009-05-28 Lg Electronics Inc. A method and an apparatus for processing a signal
EP2212883B1 (de) * 2007-11-27 2012-06-06 Nokia Corporation Codierer
WO2009078681A1 (en) 2007-12-18 2009-06-25 Lg Electronics Inc. A method and an apparatus for processing an audio signal
WO2009109373A2 (en) * 2008-03-04 2009-09-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus for mixing a plurality of input data streams
EP2124486A1 (de) * 2008-05-13 2009-11-25 Clemens Par Winkelabhängig operierende Vorrichtung oder Methodik zur Gewinnung eines pseudostereophonen Audiosignals
ES2558229T3 (es) * 2008-07-11 2016-02-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador y decodificador de audio para codificar tramas de señales de audio muestreadas
EP2144230A1 (de) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierungs-/Audiodekodierungsschema geringer Bitrate mit kaskadierten Schaltvorrichtungen
AU2009267518B2 (en) * 2008-07-11 2012-08-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme
EP2154911A1 (de) * 2008-08-13 2010-02-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur Bestimmung eines räumlichen Mehrkanalausgangsaudiosignals
EP3640941A1 (de) * 2008-10-08 2020-04-22 Fraunhofer Gesellschaft zur Förderung der Angewand Geschaltetes audiokodierungs-/decodierungsschema mit mehrfachauflösung
WO2011158485A2 (ja) 2010-06-14 2011-12-22 パナソニック株式会社 オーディオハイブリッド符号化装置およびオーディオハイブリッド復号装置
US8762158B2 (en) * 2010-08-06 2014-06-24 Samsung Electronics Co., Ltd. Decoding method and decoding apparatus therefor
JP5665987B2 (ja) 2010-08-12 2015-02-04 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 Ｑｍｆベースのオーディオコーデックの出力信号のリサンプリング
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
EP2744413B1 (de) * 2011-10-28 2017-03-29 Koninklijke Philips N.V. Vorrichtung und verfahren zur verarbeitung von herztönen zur auskultation
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
CN109509478B (zh) * 2013-04-05 2023-09-05 杜比国际公司 音频处理装置
EP2830061A1 (de) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Codierung und Decodierung eines codierten Audiosignals unter Verwendung von zeitlicher Rausch-/Patch-Formung
KR20220156112A (ko) 2013-09-12 2022-11-24 돌비 인터네셔널 에이비 Qmf 기반 처리 데이터의 시간 정렬
CN105706467B (zh) * 2013-09-17 2017-12-19 韦勒斯标准与技术协会公司 用于处理音频信号的方法和设备
JP6201047B2 (ja) 2013-10-21 2017-09-20 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のための脱相関器構造
US9883308B2 (en) * 2014-07-01 2018-01-30 Electronics And Telecommunications Research Institute Multichannel audio signal processing method and device

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
EP0692881B1 (de) * 1993-11-09 2005-06-15 Sony Corporation Quantisierungsvorrichtung und -verfahren, kodierer und kodierverfahren mit hoher effizienz, dekodierer und aufzeichnungsträger
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
PL1618763T3 (pl) 2003-04-17 2007-07-31 Koninl Philips Electronics Nv Synteza sygnału audio

Also Published As

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

Similar Documents

Publication Publication Date Title
ATE355590T1 (de) Audiosignalsynthese
ATE359687T1 (de) Audiosignalgenerierung
ATE354161T1 (de) Signalsynthese
ATE441293T1 (de) Bass-management-systeme
EP1686566A3 (de) Tonverarbeitung mit Frequenzumsetzung
DE602006005529D1 (de) Klasse-D Verstärker
EP1275108A4 (de) Kommunikationssystem-rauschlöschleistungssignalberechnungstechniken
DE69919728D1 (de) Niederfrequenz-audioverbesserungssystem
MY154144A (en) Efficient filtering with a complex modulated filterbank
TW200627999A (en) Phase compensation techniques to adjust for speaker deficiencies
EP1768454A3 (de) Erweiterte Verarbeitung auf der Basis einer mit komplexer Exponentialfunktion modulierten Filterbank und adaptive Zeitsignalisierungsverfahren
NZ502883A (en) Amplification directional characteristic for deaf aid set established by electronic filtering in accordance with acoustic reception delay at twin transducers
DE69921532D1 (de) Synthese von Raumklang QSOUND aus Stereosignalen
DE602005017502D1 (de) Mehrkanaldekorrelation für spatial audio coding
EP1267591A3 (de) Maschine zur Audiosignalwiedergabe und Verfahren dafür
SE9802059D0 (sv) Digital channeliser and De-shanneliser
ATE484161T1 (de) Tonsignalverarbeitung
WO2002095957A3 (en) Ultra wideband signal source
DE602004029872D1 (de) Verarbeitung von mehrkanalsignalen
ATE426304T1 (de) Kopfhírer
ATE541411T1 (de) Tragbares lautsprechergehäuse
ATE546810T1 (de) Musiktonerzeuger
TW200623699A (en) Method and system for determining a frequency offset
ATE538603T1 (de) Audio-stereo-verarbeitungsverfahren, einrichtung und system
KR970007790A (ko) 음성 강조 회로

Legal Events

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

Ref document number: 1618763

Country of ref document: EP