ATE313118T1 - System und verfahren zum effizienten antialiasing im zeitbereich (tdac) - Google Patents

System und verfahren zum effizienten antialiasing im zeitbereich (tdac)

Info

Publication number
ATE313118T1
ATE313118T1 AT00910242T AT00910242T ATE313118T1 AT E313118 T1 ATE313118 T1 AT E313118T1 AT 00910242 T AT00910242 T AT 00910242T AT 00910242 T AT00910242 T AT 00910242T AT E313118 T1 ATE313118 T1 AT E313118T1
Authority
AT
Austria
Prior art keywords
mdct
tdac
domain
postmultiplication
premultiplication
Prior art date
Application number
AT00910242T
Other languages
English (en)
Inventor
Shay-Jan Huang
Original Assignee
Sony Electronics 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 Sony Electronics Inc filed Critical Sony Electronics Inc
Application granted granted Critical
Publication of ATE313118T1 publication Critical patent/ATE313118T1/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
    • 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
    • G10L19/0212—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 using orthogonal transformation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Radio Relay Systems (AREA)
  • Complex Calculations (AREA)
  • Tires In General (AREA)
  • Telephonic Communication Services (AREA)
AT00910242T 1999-02-26 2000-02-18 System und verfahren zum effizienten antialiasing im zeitbereich (tdac) ATE313118T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/259,512 US6430529B1 (en) 1999-02-26 1999-02-26 System and method for efficient time-domain aliasing cancellation
PCT/US2000/004248 WO2000051108A1 (en) 1999-02-26 2000-02-18 System and method for efficient time-domain aliasing cancellation

Publications (1)

Publication Number Publication Date
ATE313118T1 true ATE313118T1 (de) 2005-12-15

Family

ID=22985255

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00910242T ATE313118T1 (de) 1999-02-26 2000-02-18 System und verfahren zum effizienten antialiasing im zeitbereich (tdac)

Country Status (9)

Country Link
US (1) US6430529B1 (de)
EP (1) EP1074020B1 (de)
JP (1) JP4031909B2 (de)
KR (1) KR100710013B1 (de)
AT (1) ATE313118T1 (de)
AU (1) AU3236700A (de)
CA (1) CA2329484A1 (de)
DE (1) DE60024729T2 (de)
WO (1) WO2000051108A1 (de)

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Publication number Priority date Publication date Assignee Title
US6735561B1 (en) * 2000-03-29 2004-05-11 At&T Corp. Effective deployment of temporal noise shaping (TNS) filters
US6959222B1 (en) * 2000-04-13 2005-10-25 New Japan Radio Co., Ltd. Accelerator engine for processing functions used in audio algorithms
US6754618B1 (en) * 2000-06-07 2004-06-22 Cirrus Logic, Inc. Fast implementation of MPEG audio coding
US7369989B2 (en) * 2001-06-08 2008-05-06 Stmicroelectronics Asia Pacific Pte, Ltd. Unified filter bank for audio coding
WO2004008806A1 (en) * 2002-07-16 2004-01-22 Koninklijke Philips Electronics N.V. Audio coding
EP1559101A4 (de) * 2002-11-07 2006-01-25 Samsung Electronics Co Ltd Mpeg-audiocodierungsverfahren und vorrichtung
KR100477701B1 (ko) * 2002-11-07 2005-03-18 삼성전자주식회사 Ｍｐｅｇ 오디오 인코딩 방법 및 ｍｐｅｇ 오디오 인코딩장치
US6965859B2 (en) * 2003-02-28 2005-11-15 Xvd Corporation Method and apparatus for audio compression
US7853469B2 (en) * 2003-08-22 2010-12-14 Mastercard International Methods and systems for predicting business behavior from profiling consumer card transactions
US7516064B2 (en) * 2004-02-19 2009-04-07 Dolby Laboratories Licensing Corporation Adaptive hybrid transform for signal analysis and synthesis
US8214200B2 (en) * 2007-03-14 2012-07-03 Xfrm, Inc. Fast MDCT (modified discrete cosine transform) approximation of a windowed sinusoid
EP2186088B1 (de) * 2007-08-27 2017-11-15 Telefonaktiebolaget LM Ericsson (publ) Spektralanalyse/synthese mit geringer komplexität unter verwendung von auswählbarer zeitauflösung
US20090180531A1 (en) * 2008-01-07 2009-07-16 Radlive Ltd. codec with plc capabilities
EP2375409A1 (de) * 2010-04-09 2011-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer, Audiodecodierer und zugehörige Verfahren zur Verarbeitung von Mehrkanal-Audiosignalen mithilfe einer komplexen Vorhersage
JP5762620B2 (ja) 2011-03-28 2015-08-12 ドルビー ラボラトリーズ ライセンシング コーポレイション 低周波数エフェクトチャネルのための複雑さが低減された変換
FR2977969A1 (fr) * 2011-07-12 2013-01-18 France Telecom Adaptation de fenetres de ponderation d'analyse ou de synthese pour un codage ou decodage par transformee
IN2015DN04001A (de) 2012-11-07 2015-10-02 Dolby Int Ab
US10438597B2 (en) 2017-08-31 2019-10-08 Dolby International Ab Decoder-provided time domain aliasing cancellation during lossy/lossless transitions

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5230038A (en) 1989-01-27 1993-07-20 Fielder Louis D Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
US5297236A (en) 1989-01-27 1994-03-22 Dolby Laboratories Licensing Corporation Low computational-complexity digital filter bank for encoder, decoder, and encoder/decoder
IE903395A1 (en) * 1989-09-26 1991-04-10 Takeda Chemical Industries Ltd Triazole compounds, their production and use
FR2675969B1 (fr) * 1991-04-24 1994-02-11 France Telecom Procede et dispositif de codage-decodage d'un signal numerique.
US5727119A (en) * 1995-03-27 1998-03-10 Dolby Laboratories Licensing Corporation Method and apparatus for efficient implementation of single-sideband filter banks providing accurate measures of spectral magnitude and phase
US5781888A (en) * 1996-01-16 1998-07-14 Lucent Technologies Inc. Perceptual noise shaping in the time domain via LPC prediction in the frequency domain
US5890106A (en) * 1996-03-19 1999-03-30 Dolby Laboratories Licensing Corporation Analysis-/synthesis-filtering system with efficient oddly-stacked singleband filter bank using time-domain aliasing cancellation
US5845249A (en) * 1996-05-03 1998-12-01 Lsi Logic Corporation Microarchitecture of audio core for an MPEG-2 and AC-3 decoder
TW301103B (en) 1996-09-07 1997-03-21 Nat Science Council The time domain alias cancellation device and its signal processing method
US6304847B1 (en) * 1996-11-20 2001-10-16 Samsung Electronics, Co., Ltd. Method of implementing an inverse modified discrete cosine transform (IMDCT) in a dial-mode audio decoder
US6119080A (en) * 1998-06-17 2000-09-12 Formosoft International Inc. Unified recursive decomposition architecture for cosine modulated filter banks
US6119038A (en) * 1998-11-20 2000-09-12 Proventure, Llc Handheld skin treatment system and method
FR2960689B1 (fr) * 2010-05-28 2013-05-10 Univ Bordeaux 1 Procedes d'ecriture et de lecture de donnees par fluorescence sur un support photosensible, support et dispositifs associes.

Also Published As

Publication number Publication date
US6430529B1 (en) 2002-08-06
JP2002538644A (ja) 2002-11-12
WO2000051108A1 (en) 2000-08-31
JP4031909B2 (ja) 2008-01-09
DE60024729T2 (de) 2006-08-17
DE60024729D1 (de) 2006-01-19
CA2329484A1 (en) 2000-08-31
KR20010042633A (ko) 2001-05-25
AU3236700A (en) 2000-09-14
KR100710013B1 (ko) 2007-04-20
EP1074020A1 (de) 2001-02-07
EP1074020B1 (de) 2005-12-14

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