FI900184A - Foerfarande och anordning foer en prediktiv kodning. - Google Patents

Foerfarande och anordning foer en prediktiv kodning.

Info

Publication number
FI900184A
FI900184A FI900184A FI900184A FI900184A FI 900184 A FI900184 A FI 900184A FI 900184 A FI900184 A FI 900184A FI 900184 A FI900184 A FI 900184A FI 900184 A FI900184 A FI 900184A
Authority
FI
Finland
Prior art keywords
procedures
procedure
preparation
Prior art date
Application number
FI900184A
Other languages
English (en)
Other versions
FI83714C (fi
FI900184A0 (fi
FI83714B (fi
Inventor
Seppo Valli
Original Assignee
Telenokia Oy
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 Telenokia Oy filed Critical Telenokia Oy
Priority to FI900184A priority Critical patent/FI83714C/fi
Publication of FI900184A0 publication Critical patent/FI900184A0/fi
Priority to PCT/FI1991/000010 priority patent/WO1991011057A1/en
Application granted granted Critical
Publication of FI83714B publication Critical patent/FI83714B/fi
Publication of FI900184A publication Critical patent/FI900184A/fi
Publication of FI83714C publication Critical patent/FI83714C/fi

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
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • 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
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3044—Conversion to or from differential modulation with several bits only, i.e. the difference between successive samples being coded by more than one bit, e.g. differential pulse code modulation [DPCM]
    • H03M7/3046—Conversion to or from differential modulation with several bits only, i.e. the difference between successive samples being coded by more than one bit, e.g. differential pulse code modulation [DPCM] adaptive, e.g. adaptive differential pulse code modulation [ADPCM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FI900184A 1990-01-12 1990-01-12 Foerfarande och anordning foer en prediktiv kodning. FI83714C (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI900184A FI83714C (fi) 1990-01-12 1990-01-12 Foerfarande och anordning foer en prediktiv kodning.
PCT/FI1991/000010 WO1991011057A1 (en) 1990-01-12 1991-01-10 Method and apparatus for predictive coding

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI900184A FI83714C (fi) 1990-01-12 1990-01-12 Foerfarande och anordning foer en prediktiv kodning.
FI900184 1990-01-12

Publications (4)

Publication Number Publication Date
FI900184A0 FI900184A0 (fi) 1990-01-12
FI83714B FI83714B (fi) 1991-04-30
FI900184A true FI900184A (fi) 1991-07-13
FI83714C FI83714C (fi) 1991-08-12

Family

ID=8529694

Family Applications (1)

Application Number Title Priority Date Filing Date
FI900184A FI83714C (fi) 1990-01-12 1990-01-12 Foerfarande och anordning foer en prediktiv kodning.

Country Status (2)

Country Link
FI (1) FI83714C (fi)
WO (1) WO1991011057A1 (fi)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1197005A (en) * 1981-09-29 1985-11-19 Norio Suzuki System comprising a preliminary processing device controlled in accordance with an amount of information stored in a buffer
GB8703354D0 (en) * 1987-02-13 1987-03-18 British Telecomm Coder
US4847866A (en) * 1988-02-01 1989-07-11 Eastman Kodak Company Differential pulse code modulation scheme incorporating a reconstructed value constrainer

Also Published As

Publication number Publication date
FI83714C (fi) 1991-08-12
FI900184A0 (fi) 1990-01-12
FI83714B (fi) 1991-04-30
WO1991011057A1 (en) 1991-07-25

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: TELENOKIA OY