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AUPM503794A0 - Adpcm signal encoding/decoding system and method - Google Patents

Adpcm signal encoding/decoding system and method

Info

Publication number
AUPM503794A0
AUPM503794A0 AUPM5037A AUPM503794A AUPM503794A0 AU PM503794 A0 AUPM503794 A0 AU PM503794A0 AU PM5037 A AUPM5037 A AU PM5037A AU PM503794 A AUPM503794 A AU PM503794A AU PM503794 A0 AUPM503794 A0 AU PM503794A0
Authority
AU
Australia
Prior art keywords
decoding system
signal encoding
adpcm signal
adpcm
encoding
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.)
Abandoned
Application number
AUPM5037A
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.)
Australian National University
Commonwealth Scientific and Industrial Research Organization CSIRO
Original Assignee
Australian National University
Commonwealth Scientific and Industrial Research Organization CSIRO
Australian Government
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 Australian National University, Commonwealth Scientific and Industrial Research Organization CSIRO, Australian Government filed Critical Australian National University
Priority to AUPM5037A priority Critical patent/AUPM503794A0/en
Publication of AUPM503794A0 publication Critical patent/AUPM503794A0/en
Priority to PCT/AU1995/000216 priority patent/WO1995028770A1/en
Priority to AU22098/95A priority patent/AU2209895A/en
Assigned to COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION, AUSTRALIAN NATIONAL UNIVERSITY, THE reassignment COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION Assignment by Applicant under S 113 Assignors: AUSTRALIAN NATIONAL UNIVERSITY, THE, COMMONWEALTH OF AUSTRALIA, THE, COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION
Abandoned legal-status Critical Current

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
    • H03M7/4006—Conversion to or from arithmetic 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)
AUPM5037A 1994-04-13 1994-04-13 Adpcm signal encoding/decoding system and method Abandoned AUPM503794A0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AUPM5037A AUPM503794A0 (en) 1994-04-13 1994-04-13 Adpcm signal encoding/decoding system and method
PCT/AU1995/000216 WO1995028770A1 (en) 1994-04-13 1995-04-13 Adpcm signal encoding/decoding system and method
AU22098/95A AU2209895A (en) 1994-04-13 1995-04-13 Adpcm signal encoding/decoding system and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPM5037A AUPM503794A0 (en) 1994-04-13 1994-04-13 Adpcm signal encoding/decoding system and method

Publications (1)

Publication Number Publication Date
AUPM503794A0 true AUPM503794A0 (en) 1994-06-09

Family

ID=3779617

Family Applications (1)

Application Number Title Priority Date Filing Date
AUPM5037A Abandoned AUPM503794A0 (en) 1994-04-13 1994-04-13 Adpcm signal encoding/decoding system and method

Country Status (2)

Country Link
AU (1) AUPM503794A0 (en)
WO (1) WO1995028770A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2124664B1 (en) * 1996-11-12 1999-11-16 Alsthom Cge Alcatel METHOD AND DEVICE OF CODING FOR MODULATION BY CODED IMPULSES ADAPTIVE DIFFERENTIAL.
ATE556489T1 (en) * 1999-01-07 2012-05-15 Koninkl Philips Electronics Nv EFFECTIVE CODING OF SECONDARY INFORMATION IN AN ENCODING DEVICE
WO2008058692A1 (en) * 2006-11-13 2008-05-22 Global Ip Solutions (Gips) Ab Lossless encoding and decoding of digital data
FR3018942A1 (en) * 2014-03-24 2015-09-25 Orange ESTIMATING CODING NOISE INTRODUCED BY COMPRESSION CODING OF ADPCM TYPE

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571737A (en) * 1982-12-10 1986-02-18 Nec Corporation Adaptive differential pulse code modulation decoding circuit
US4654863A (en) * 1985-05-23 1987-03-31 At&T Bell Laboratories Wideband adaptive prediction
CA1288867C (en) * 1985-06-20 1991-09-10 Tomoyoshi Takebayashi Adaptive differential pulse code modulation system
CA1292071C (en) * 1985-06-28 1991-11-12 Tomohiko Taniguchi Coding transmission equipment for carrying out coding with adaptive quantization
JPH0773218B2 (en) * 1987-04-21 1995-08-02 沖電気工業株式会社 ADPCM encoder / decoder

Also Published As

Publication number Publication date
WO1995028770A1 (en) 1995-10-26

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