NO307767B1 - Digital koding av akustiske signaler - Google Patents

Digital koding av akustiske signaler

Info

Publication number
NO307767B1
NO307767B1 NO913931A NO913931A NO307767B1 NO 307767 B1 NO307767 B1 NO 307767B1 NO 913931 A NO913931 A NO 913931A NO 913931 A NO913931 A NO 913931A NO 307767 B1 NO307767 B1 NO 307767B1
Authority
NO
Norway
Prior art keywords
acoustic signals
digital coding
quantised
spectral
coeffts
Prior art date
Application number
NO913931A
Other languages
English (en)
Norwegian (no)
Other versions
NO913931D0 (no
NO913931L (no
Inventor
Bernhard Grill
Thomas Sporer
Bernd Kuerten
Ernst Eberlein
Karl-Heinz Brandenburg
Original Assignee
Fraunhofer Ges Forschung
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=6378865&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO307767(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of NO913931D0 publication Critical patent/NO913931D0/no
Publication of NO913931L publication Critical patent/NO913931L/no
Publication of NO307767B1 publication Critical patent/NO307767B1/no

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3053—Block-companding PCM systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Optical Head (AREA)
  • Steroid Compounds (AREA)
  • Hall/Mr Elements (AREA)
NO913931A 1989-04-17 1991-10-07 Digital koding av akustiske signaler NO307767B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3912605A DE3912605B4 (de) 1989-04-17 1989-04-17 Digitales Codierverfahren
PCT/DE1990/000286 WO1990013182A2 (de) 1989-04-17 1990-04-12 Digitales codierverfahren

Publications (3)

Publication Number Publication Date
NO913931D0 NO913931D0 (no) 1991-10-07
NO913931L NO913931L (no) 1991-10-07
NO307767B1 true NO307767B1 (no) 2000-05-22

Family

ID=6378865

Family Applications (1)

Application Number Title Priority Date Filing Date
NO913931A NO307767B1 (no) 1989-04-17 1991-10-07 Digital koding av akustiske signaler

Country Status (13)

Country Link
US (1) US5579430A (ja)
EP (3) EP0717503B1 (ja)
JP (1) JP2739377B2 (ja)
KR (1) KR0136572B1 (ja)
AT (3) ATE203359T1 (ja)
DE (7) DE3943879B4 (ja)
DK (1) DK0393526T4 (ja)
ES (1) ES2088918T5 (ja)
FI (1) FI105731B (ja)
GR (1) GR3021283T3 (ja)
NO (1) NO307767B1 (ja)
RU (1) RU2141166C1 (ja)
WO (1) WO1990013182A2 (ja)

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JPH04221465A (ja) * 1990-12-21 1992-08-11 Matsushita Electric Ind Co Ltd 記録装置

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ES2088918T3 (es) 1996-10-01
DE59010923D1 (de) 2001-08-23
ATE144090T1 (de) 1996-10-15
EP0717503B1 (de) 2001-07-18
FI105731B (fi) 2000-09-29
US5579430A (en) 1996-11-26
EP0612156A2 (de) 1994-08-24
DE3943881B4 (de) 2008-07-17
DE3943880B4 (de) 2008-07-17
WO1990013182A2 (de) 1990-11-01
RU2141166C1 (ru) 1999-11-10
WO1990013182A3 (de) 1991-01-10
ATE203359T1 (de) 2001-08-15
DE3912605A1 (de) 1990-10-25
DE59010419D1 (de) 1996-08-22
EP0393526B2 (de) 2003-08-27
ES2088918T5 (es) 2004-01-01
KR920702098A (ko) 1992-08-12
EP0717503A3 (ja) 1996-07-17
EP0612156B1 (de) 1996-10-09
JPH04504936A (ja) 1992-08-27
DE3912605B4 (de) 2008-09-04
EP0393526A2 (de) 1990-10-24
DK0393526T3 (da) 1996-11-18
DE59010538D1 (de) 1996-11-14
KR0136572B1 (en) 1998-05-15
EP0393526B1 (de) 1996-07-17
GR3021283T3 (en) 1997-01-31
FI914886A0 (fi) 1991-10-16
NO913931D0 (no) 1991-10-07
JP2739377B2 (ja) 1998-04-15
EP0612156A3 (de) 1994-09-07
NO913931L (no) 1991-10-07
EP0717503A2 (de) 1996-06-19
DE3943879B4 (de) 2008-07-17
EP0393526A3 (de) 1991-01-09
DK0393526T4 (da) 2003-12-22
ATE140571T1 (de) 1996-08-15

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