BE766698A - Modulateur delta - Google Patents

Modulateur delta

Info

Publication number
BE766698A
BE766698A BE766698A BE766698A BE766698A BE 766698 A BE766698 A BE 766698A BE 766698 A BE766698 A BE 766698A BE 766698 A BE766698 A BE 766698A BE 766698 A BE766698 A BE 766698A
Authority
BE
Belgium
Prior art keywords
delta modulator
modulator
delta
Prior art date
Application number
BE766698A
Other languages
English (en)
French (fr)
Inventor
T H Daugherty
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of BE766698A publication Critical patent/BE766698A/xx

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]
    • H03M3/024—Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM] using syllabic companding, e.g. continuously variable slope delta modulation [CVSD]

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BE766698A 1970-05-08 1971-05-04 Modulateur delta BE766698A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3576170A 1970-05-08 1970-05-08

Publications (1)

Publication Number Publication Date
BE766698A true BE766698A (fr) 1971-10-01

Family

ID=21884636

Family Applications (1)

Application Number Title Priority Date Filing Date
BE766698A BE766698A (fr) 1970-05-08 1971-05-04 Modulateur delta

Country Status (8)

Country Link
US (1) US3621396A (de)
JP (1) JPS5133712B1 (de)
BE (1) BE766698A (de)
CA (1) CA954976A (de)
DE (1) DE2122194A1 (de)
FR (1) FR2088448B1 (de)
GB (1) GB1306643A (de)
SE (1) SE359708B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE793564A (fr) * 1971-12-30 1973-04-16 Western Electric Co Convertisseur analogique-numerique
US3908181A (en) * 1972-07-17 1975-09-23 Nippon Electric Co Predictive conversion between self-correlated analog signal and corresponding digital signal according to digital companded delta modulation
JPS547525B2 (de) * 1973-12-28 1979-04-07
NL167563C (nl) * 1975-07-22 1981-12-16 Philips Nv Overdrachtstelsel voor signaaloverdracht door middel van deltamodulatie, alsmede zender en ontvanger voor een dergelijk stelsel.
US4123709A (en) * 1977-01-24 1978-10-31 Canadian Patents And Development Limited Adaptive digital delta modulation for voice transmission
US4462106A (en) * 1982-01-13 1984-07-24 Deltalab Research, Inc. Digital encoding circuitry
US4700362A (en) * 1983-10-07 1987-10-13 Dolby Laboratories Licensing Corporation A-D encoder and D-A decoder system
CN101499282B (zh) * 2008-02-03 2012-03-07 深圳艾科创新微电子有限公司 一种语音模数转换方法及装置
US9679291B2 (en) 2012-06-05 2017-06-13 Dove Voice Technologies Ltd. System and method of transmitting data over a voice channel
WO2015083147A1 (en) * 2013-12-05 2015-06-11 Yehudai Yehuda Method and system for communication digital data on an analog signal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497624A (en) * 1966-08-16 1970-02-24 Bell Telephone Labor Inc Continuously compounded delta modulation
NL159548B (nl) * 1968-03-21 1979-02-15 Philips Nv Overdrachtsstelsel voor signaaloverdracht door pulscodemodulatie, alsmede zender en ontvanger voor toepassing in een dergelijk stelsel.
US3568061A (en) * 1968-04-29 1971-03-02 Bell Telephone Labor Inc Bilateral digital transmission system with companding having same step size in each direction

Also Published As

Publication number Publication date
CA954976A (en) 1974-09-17
US3621396A (en) 1971-11-16
JPS5133712B1 (de) 1976-09-21
FR2088448B1 (de) 1974-03-08
SE359708B (de) 1973-09-03
DE2122194A1 (de) 1971-11-18
FR2088448A1 (de) 1972-01-07
GB1306643A (en) 1973-02-14

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