FR2283596A1 - Modulateur-demodulateur delta a adaptation amelioree - Google Patents

Modulateur-demodulateur delta a adaptation amelioree

Info

Publication number
FR2283596A1
FR2283596A1 FR7429390A FR7429390A FR2283596A1 FR 2283596 A1 FR2283596 A1 FR 2283596A1 FR 7429390 A FR7429390 A FR 7429390A FR 7429390 A FR7429390 A FR 7429390A FR 2283596 A1 FR2283596 A1 FR 2283596A1
Authority
FR
France
Prior art keywords
delta modulator
demodulator
comparator
improved fit
representing
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.)
Granted
Application number
FR7429390A
Other languages
English (en)
French (fr)
Other versions
FR2283596B1 (en, 2012
Inventor
Rene Busigny
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.)
Nokia Inc
Original Assignee
Nokia Inc
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 Nokia Inc filed Critical Nokia Inc
Priority to FR7429390A priority Critical patent/FR2283596A1/fr
Publication of FR2283596A1 publication Critical patent/FR2283596A1/fr
Application granted granted Critical
Publication of FR2283596B1 publication Critical patent/FR2283596B1/fr
Granted 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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR7429390A 1974-08-28 1974-08-28 Modulateur-demodulateur delta a adaptation amelioree Granted FR2283596A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7429390A FR2283596A1 (fr) 1974-08-28 1974-08-28 Modulateur-demodulateur delta a adaptation amelioree

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7429390A FR2283596A1 (fr) 1974-08-28 1974-08-28 Modulateur-demodulateur delta a adaptation amelioree

Publications (2)

Publication Number Publication Date
FR2283596A1 true FR2283596A1 (fr) 1976-03-26
FR2283596B1 FR2283596B1 (en, 2012) 1977-03-25

Family

ID=9142640

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7429390A Granted FR2283596A1 (fr) 1974-08-28 1974-08-28 Modulateur-demodulateur delta a adaptation amelioree

Country Status (1)

Country Link
FR (1) FR2283596A1 (en, 2012)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1952379A1 (de) * 1968-10-18 1970-04-23 Western Electric Co Delta-Modulationssystem
CH508318A (de) * 1968-03-21 1971-05-31 Philips Nv Anlage zur Signalübertragung durch Impulskodemodulation
US3806806A (en) * 1972-11-20 1974-04-23 Bell Telephone Labor Inc Adaptive data modulator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH508318A (de) * 1968-03-21 1971-05-31 Philips Nv Anlage zur Signalübertragung durch Impulskodemodulation
DE1952379A1 (de) * 1968-10-18 1970-04-23 Western Electric Co Delta-Modulationssystem
US3806806A (en) * 1972-11-20 1974-04-23 Bell Telephone Labor Inc Adaptive data modulator

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
AUTEUR: BETTINGER *
PAGES 224 A 230 *
REVUE GB "ELECTRICAL COMMUNICATION", VOLUME 47, NO. 4, 1972 ARTICLE: "DIGITAL SPEECH TRANSMISSION FOR MOBILE RADIO SERVICE" *

Also Published As

Publication number Publication date
FR2283596B1 (en, 2012) 1977-03-25

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