DE60300500T2 - Signalisierung von Fensterschaltungen in einem MPEG Layer 3 Audio Datenstrom - Google Patents

Signalisierung von Fensterschaltungen in einem MPEG Layer 3 Audio Datenstrom Download PDF

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Publication number
DE60300500T2
DE60300500T2 DE60300500T DE60300500T DE60300500T2 DE 60300500 T2 DE60300500 T2 DE 60300500T2 DE 60300500 T DE60300500 T DE 60300500T DE 60300500 T DE60300500 T DE 60300500T DE 60300500 T2 DE60300500 T2 DE 60300500T2
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DE
Germany
Prior art keywords
window
subbands
information
block
group
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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 - Fee Related
Application number
DE60300500T
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German (de)
English (en)
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DE60300500D1 (de
Inventor
Walter Voessing
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Thomson Licensing SAS
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Thomson Licensing SAS
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Publication of DE60300500D1 publication Critical patent/DE60300500D1/de
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Publication of DE60300500T2 publication Critical patent/DE60300500T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE60300500T 2002-08-28 2003-08-18 Signalisierung von Fensterschaltungen in einem MPEG Layer 3 Audio Datenstrom Expired - Fee Related DE60300500T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02090308 2002-08-28
EP02090308A EP1394772A1 (en) 2002-08-28 2002-08-28 Signaling of window switchings in a MPEG layer 3 audio data stream

Publications (2)

Publication Number Publication Date
DE60300500D1 DE60300500D1 (de) 2005-05-19
DE60300500T2 true DE60300500T2 (de) 2005-09-15

Family

ID=31197944

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60300500T Expired - Fee Related DE60300500T2 (de) 2002-08-28 2003-08-18 Signalisierung von Fensterschaltungen in einem MPEG Layer 3 Audio Datenstrom

Country Status (6)

Country Link
US (1) US20040158472A1 (enExample)
EP (1) EP1394772A1 (enExample)
JP (1) JP2004094223A (enExample)
KR (1) KR20040019889A (enExample)
CN (1) CN1487746A (enExample)
DE (1) DE60300500T2 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100530377B1 (ko) * 2003-12-30 2005-11-22 삼성전자주식회사 엠펙 오디오 디코더의 합성필터 및 그 디코딩 방법
BRPI0517513A (pt) * 2004-10-26 2008-10-14 Matsushita Electric Industrial Co Ltd aparelho de codificação de som e processo de sua realização
KR100668319B1 (ko) * 2004-12-07 2007-01-12 삼성전자주식회사 오디오 신호의 변환방법 및 장치와 오디오 신호에적응적인 부호화방법 및 장치, 오디오 신호의 역변환 방법및 장치와 오디오 신호에 적응적인 복호화 방법 및 장치
EP1853092B1 (en) 2006-05-04 2011-10-05 LG Electronics, Inc. Enhancing stereo audio with remix capability
CN101652810B (zh) * 2006-09-29 2012-04-11 Lg电子株式会社 用于处理混合信号的装置及其方法
CN101529898B (zh) 2006-10-12 2014-09-17 Lg电子株式会社 用于处理混合信号的装置及其方法
KR20080053739A (ko) * 2006-12-11 2008-06-16 삼성전자주식회사 적응적으로 윈도우 크기를 적용하는 부호화 장치 및 방법
WO2008151137A2 (en) * 2007-06-01 2008-12-11 The Trustees Of Columbia University In The City Of New York Real-time time encoding and decoding machines
WO2009006405A1 (en) 2007-06-28 2009-01-08 The Trustees Of Columbia University In The City Of New York Multi-input multi-output time encoding and decoding machines
MY181247A (en) * 2008-07-11 2020-12-21 Frauenhofer Ges Zur Forderung Der Angenwandten Forschung E V Audio encoder and decoder for encoding and decoding audio samples
EP2315358A1 (en) 2009-10-09 2011-04-27 Thomson Licensing Method and device for arithmetic encoding or arithmetic decoding
EP2372704A1 (en) 2010-03-11 2011-10-05 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Signal processor and method for processing a signal
CN101894557B (zh) * 2010-06-12 2011-12-07 北京航空航天大学 一种用于aac编码的窗型判别方法
WO2012109407A1 (en) 2011-02-09 2012-08-16 The Trustees Of Columbia University In The City Of New York Encoding and decoding machine with recurrent neural networks
KR20130109793A (ko) * 2012-03-28 2013-10-08 삼성전자주식회사 잡음 감쇄를 위한 오디오 신호 부호화 방법 및 장치
JP6163545B2 (ja) 2012-06-14 2017-07-12 ドルビー・インターナショナル・アーベー 可変数の受信チャネルに基づくマルチチャネル・オーディオ・レンダリングのためのなめらかな構成切り換え
MY185210A (en) 2013-02-20 2021-04-30 Fraunhofer Ges Forschung Apparatus and method for generating an encoded signal or for decoding an encoded audio signal using a multi overlap portion

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6128597A (en) * 1996-05-03 2000-10-03 Lsi Logic Corporation Audio decoder with a reconfigurable downmixing/windowing pipeline and method therefor
US6122619A (en) * 1998-06-17 2000-09-19 Lsi Logic Corporation Audio decoder with programmable downmixing of MPEG/AC-3 and method therefor
JP2000134105A (ja) * 1998-10-29 2000-05-12 Matsushita Electric Ind Co Ltd オーディオ変換符号化に用いられるブロックサイズを決定し適応させる方法

Also Published As

Publication number Publication date
KR20040019889A (ko) 2004-03-06
JP2004094223A (ja) 2004-03-25
EP1394772A1 (en) 2004-03-03
US20040158472A1 (en) 2004-08-12
DE60300500D1 (de) 2005-05-19
CN1487746A (zh) 2004-04-07

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8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee