DE69700274T2 - Verfahren und Apparat zur Kodierung eines digitalen Audiosignals - Google Patents

Verfahren und Apparat zur Kodierung eines digitalen Audiosignals

Info

Publication number
DE69700274T2
DE69700274T2 DE69700274T DE69700274T DE69700274T2 DE 69700274 T2 DE69700274 T2 DE 69700274T2 DE 69700274 T DE69700274 T DE 69700274T DE 69700274 T DE69700274 T DE 69700274T DE 69700274 T2 DE69700274 T2 DE 69700274T2
Authority
DE
Germany
Prior art keywords
coding
audio signal
digital audio
digital
signal
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
DE69700274T
Other languages
English (en)
Other versions
DE69700274D1 (de
Inventor
Jens Spille
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.)
Deutsche Thomson Brandt GmbH
Original Assignee
Deutsche Thomson Brandt GmbH
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 Deutsche Thomson Brandt GmbH filed Critical Deutsche Thomson Brandt GmbH
Publication of DE69700274D1 publication Critical patent/DE69700274D1/de
Application granted granted Critical
Publication of DE69700274T2 publication Critical patent/DE69700274T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69700274T 1996-04-26 1997-04-17 Verfahren und Apparat zur Kodierung eines digitalen Audiosignals Expired - Lifetime DE69700274T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96106678 1996-04-26

Publications (2)

Publication Number Publication Date
DE69700274D1 DE69700274D1 (de) 1999-07-22
DE69700274T2 true DE69700274T2 (de) 1999-10-14

Family

ID=8222723

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69700274T Expired - Lifetime DE69700274T2 (de) 1996-04-26 1997-04-17 Verfahren und Apparat zur Kodierung eines digitalen Audiosignals

Country Status (4)

Country Link
US (1) US6009399A (de)
JP (1) JP4173209B2 (de)
CN (1) CN1106085C (de)
DE (1) DE69700274T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2282906B (en) 1993-10-13 1996-11-06 Dataquill Ltd Data enty systems
JP3515903B2 (ja) * 1998-06-16 2004-04-05 松下電器産業株式会社 オーディオ符号化のための動的ビット割り当て方法及び装置
GB2454208A (en) 2007-10-31 2009-05-06 Cambridge Silicon Radio Ltd Compression using a perceptual model and a signal-to-mask ratio (SMR) parameter tuned based on target bitrate and previously encoded data
EP2745211B8 (de) * 2011-08-19 2019-07-17 General Harmonics International Inc. Verfahren zur formalisierung und strukturierung von informationen aus mehreren strukturen und zugehörige vorrichtung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4516258A (en) * 1982-06-30 1985-05-07 At&T Bell Laboratories Bit allocation generator for adaptive transform coder
US4899384A (en) * 1986-08-25 1990-02-06 Ibm Corporation Table controlled dynamic bit allocation in a variable rate sub-band speech coder
DE4231918C1 (de) * 1992-09-24 1993-12-02 Ant Nachrichtentech Verfahren für die Codierung von Sprachsignalen
US5488665A (en) * 1993-11-23 1996-01-30 At&T Corp. Multi-channel perceptual audio compression system with encoding mode switching among matrixed channels
US5608713A (en) * 1994-02-09 1997-03-04 Sony Corporation Bit allocation of digital audio signal blocks by non-linear processing

Also Published As

Publication number Publication date
JP4173209B2 (ja) 2008-10-29
JPH1093441A (ja) 1998-04-10
CN1168034A (zh) 1997-12-17
US6009399A (en) 1999-12-28
CN1106085C (zh) 2003-04-16
DE69700274D1 (de) 1999-07-22

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition