CA1007377A - Modified delta modulation system - Google Patents

Modified delta modulation system

Info

Publication number
CA1007377A
CA1007377A CA155,567A CA155567A CA1007377A CA 1007377 A CA1007377 A CA 1007377A CA 155567 A CA155567 A CA 155567A CA 1007377 A CA1007377 A CA 1007377A
Authority
CA
Canada
Prior art keywords
modulation system
delta modulation
modified delta
modified
modulation
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
Application number
CA155,567A
Other versions
CA155567S (en
Inventor
Peter M. Will
David D. Grossman
Peter A. Franaszek
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1007377A publication Critical patent/CA1007377A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/02—Delta modulation, i.e. one-bit differential modulation
    • H03M3/022—Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA155,567A 1971-11-19 1972-11-01 Modified delta modulation system Expired CA1007377A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20036271A 1971-11-19 1971-11-19

Publications (1)

Publication Number Publication Date
CA1007377A true CA1007377A (en) 1977-03-22

Family

ID=22741403

Family Applications (1)

Application Number Title Priority Date Filing Date
CA155,567A Expired CA1007377A (en) 1971-11-19 1972-11-01 Modified delta modulation system

Country Status (6)

Country Link
JP (1) JPS4860570A (en)
CA (1) CA1007377A (en)
DE (1) DE2256112A1 (en)
FR (1) FR2160392A1 (en)
GB (1) GB1377111A (en)
IT (1) IT969834B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916314A (en) * 1974-04-08 1975-10-28 Ibm Non-linear filter for delta modulator output using shift register and table lookup
US3971987A (en) * 1975-02-07 1976-07-27 International Business Machines Corporation Gain method and apparatus for a delta modulator
DE2932121C2 (en) * 1979-08-08 1982-09-30 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Method for adaptive δ-modulation
FR2543380B1 (en) * 1983-03-24 1985-07-26 Labo Cent Telecommunicat METHOD AND DEVICE FOR TRANSCODING A MIC DIGITAL SIGNAL AND APPLICATION TO ANALOG-TO-DIGITAL CODING OF A BROADBAND ANALOG SIGNAL

Also Published As

Publication number Publication date
DE2256112A1 (en) 1973-05-24
JPS4860570A (en) 1973-08-24
IT969834B (en) 1974-04-10
GB1377111A (en) 1974-12-11
FR2160392A1 (en) 1973-06-29

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