DE69429620D1 - Teilbandkodierung mit auf Tonhöhen basierter Prädiktionskodierung in jedem einzelnen Teilband - Google Patents

Teilbandkodierung mit auf Tonhöhen basierter Prädiktionskodierung in jedem einzelnen Teilband

Info

Publication number
DE69429620D1
DE69429620D1 DE69429620T DE69429620T DE69429620D1 DE 69429620 D1 DE69429620 D1 DE 69429620D1 DE 69429620 T DE69429620 T DE 69429620T DE 69429620 T DE69429620 T DE 69429620T DE 69429620 D1 DE69429620 D1 DE 69429620D1
Authority
DE
Germany
Prior art keywords
subband
coding
quantizer
based prediction
output signals
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
DE69429620T
Other languages
English (en)
Inventor
Giorgio Dimino
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.)
Rai Radiotelevisione Italiana SpA
Original Assignee
Rai Radiotelevisione Italiana SpA
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 Rai Radiotelevisione Italiana SpA filed Critical Rai Radiotelevisione Italiana SpA
Application granted granted Critical
Publication of DE69429620D1 publication Critical patent/DE69429620D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/04—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 predictive techniques
    • 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
    • H04B1/665—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 psychoacoustic properties of the ear, e.g. masking effect

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE69429620T 1994-10-28 1994-10-28 Teilbandkodierung mit auf Tonhöhen basierter Prädiktionskodierung in jedem einzelnen Teilband Expired - Lifetime DE69429620D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94830509A EP0709981B1 (de) 1994-10-28 1994-10-28 Teilbandkodierung mit auf Tonhöhen basierter Prädiktionskodierung in jedem einzelnen Teilband

Publications (1)

Publication Number Publication Date
DE69429620D1 true DE69429620D1 (de) 2002-02-14

Family

ID=8218561

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69429620T Expired - Lifetime DE69429620D1 (de) 1994-10-28 1994-10-28 Teilbandkodierung mit auf Tonhöhen basierter Prädiktionskodierung in jedem einzelnen Teilband

Country Status (3)

Country Link
EP (1) EP0709981B1 (de)
AT (1) ATE211869T1 (de)
DE (1) DE69429620D1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI114248B (fi) * 1997-03-14 2004-09-15 Nokia Corp Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen
DE19730130C2 (de) * 1997-07-14 2002-02-28 Fraunhofer Ges Forschung Verfahren zum Codieren eines Audiosignals
JP4235279B2 (ja) 1998-04-10 2009-03-11 生化学工業株式会社 新規酵素反応測定法
SG99314A1 (en) * 2000-07-19 2003-10-27 Ct For Signal Proc Nanyang Tec Method and apparatus for the prediction of audio signals
DE102010006573B4 (de) * 2010-02-02 2012-03-15 Rohde & Schwarz Gmbh & Co. Kg IQ-Datenkompression für Breitbandanwendungen
CN111259919B (zh) * 2018-11-30 2024-01-23 杭州海康威视数字技术股份有限公司 一种视频分类方法、装置及设备、存储介质

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5921039B2 (ja) * 1981-11-04 1984-05-17 日本電信電話株式会社 適応予測符号化方式
US5040217A (en) * 1989-10-18 1991-08-13 At&T Bell Laboratories Perceptual coding of audio signals

Also Published As

Publication number Publication date
EP0709981B1 (de) 2002-01-09
ATE211869T1 (de) 2002-01-15
EP0709981A1 (de) 1996-05-01

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