BE775961A - Modulateur delta adaptatif discret - Google Patents

Modulateur delta adaptatif discret

Info

Publication number
BE775961A
BE775961A BE775961A BE775961A BE775961A BE 775961 A BE775961 A BE 775961A BE 775961 A BE775961 A BE 775961A BE 775961 A BE775961 A BE 775961A BE 775961 A BE775961 A BE 775961A
Authority
BE
Belgium
Prior art keywords
discreet
delta modulator
adaptive delta
adaptive
modulator
Prior art date
Application number
BE775961A
Other languages
English (en)
French (fr)
Inventor
S K Tewksbury
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 BE775961A publication Critical patent/BE775961A/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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
BE775961A 1970-12-02 1971-11-29 Modulateur delta adaptatif discret BE775961A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9445870A 1970-12-02 1970-12-02

Publications (1)

Publication Number Publication Date
BE775961A true BE775961A (fr) 1972-03-16

Family

ID=22245304

Family Applications (1)

Application Number Title Priority Date Filing Date
BE775961A BE775961A (fr) 1970-12-02 1971-11-29 Modulateur delta adaptatif discret

Country Status (10)

Country Link
US (1) US3706944A (xx)
JP (1) JPS5414467B1 (xx)
BE (1) BE775961A (xx)
CA (1) CA941507A (xx)
DE (1) DE2159575C3 (xx)
FR (1) FR2116474B1 (xx)
GB (1) GB1355543A (xx)
IT (1) IT943134B (xx)
NL (1) NL7116378A (xx)
SE (1) SE387797B (xx)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5120148B1 (xx) * 1971-05-19 1976-06-23
US3806806A (en) * 1972-11-20 1974-04-23 Bell Telephone Labor Inc Adaptive data modulator
US3878465A (en) * 1972-12-15 1975-04-15 Univ Sherbrooke Instantaneous adaptative delta modulation system
US3827046A (en) * 1973-04-25 1974-07-30 Rockwell International Corp Filtered duty cycle feedback analog to digital converter
US3896399A (en) * 1973-07-19 1975-07-22 Motorola Inc Loop filter for delta modulator
US3890467A (en) * 1973-11-01 1975-06-17 Communications Satellite Corp Digital voice switch for use with delta modulation
JPS547525B2 (xx) * 1973-12-28 1979-04-07
US3922619A (en) * 1974-01-28 1975-11-25 Bell Telephone Labor Inc Compressed differential pulse code modulator
US4035724A (en) * 1974-05-08 1977-07-12 Universite De Sherbrooke Digital converter from continuous variable slope delta modulation to pulse code modulation
US3979676A (en) * 1974-10-21 1976-09-07 International Standard Electric Corporation Delta modulation apparatus
US4025852A (en) * 1975-10-14 1977-05-24 Bell Telephone Laboratories, Incorporated Method and arrangement for controlling delta modulator idle-channel noise
US4199722A (en) * 1976-06-30 1980-04-22 Israel Paz Tri-state delta modulator
CA1157109A (en) * 1980-02-25 1983-11-15 Marshall B. Borchert Digital time base with coherent rate switching
US4467291A (en) * 1981-11-23 1984-08-21 U.S. Philips Corporation Delta modulator having optimized loop filter
US4700362A (en) * 1983-10-07 1987-10-13 Dolby Laboratories Licensing Corporation A-D encoder and D-A decoder system
GB2157516A (en) * 1984-04-09 1985-10-23 Mobil Oil Corp Delta modulator
GB2159674B (en) * 1984-04-19 1987-09-09 Motorola Israel Ltd A delta modulator/demodulator
GB8804811D0 (en) * 1988-03-01 1988-03-30 Shaye Communications Ltd Waveform encoder/decoder
US5124706A (en) * 1989-09-15 1992-06-23 Wavephore, Inc. Analog to digital and digital to analog signal processors
US5113189A (en) * 1991-06-21 1992-05-12 Motorola, Inc. Frequency translating coherent analog to digital conversion system for modulated signals
US5208595A (en) * 1991-08-21 1993-05-04 Wavephore, Inc. Digitally controlled adaptive slew rate delta modulator
US5727023A (en) * 1992-10-27 1998-03-10 Ericsson Inc. Apparatus for and method of speech digitizing
JPH09266447A (ja) * 1996-03-28 1997-10-07 Sony Corp 語長変換装置及びデータ処理装置
US6563448B1 (en) 2002-04-29 2003-05-13 Texas Instruments Incorporated Flexible sample rate converter for multimedia digital-to-analog conversion in a wireless telephone

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273141A (en) * 1963-03-19 1966-09-13 Ball Brothers Res Corp High speed analog-to-digital converter
US3270335A (en) * 1963-09-18 1966-08-30 Ball Brothers Res Corp High speed delta encoder
US3497624A (en) * 1966-08-16 1970-02-24 Bell Telephone Labor Inc Continuously compounded delta modulation
US3461244A (en) * 1966-08-16 1969-08-12 Bell Telephone Labor Inc Delta modulation system with continuously variable compander
US3500441A (en) * 1967-10-12 1970-03-10 Bell Telephone Labor Inc Delta modulation with discrete companding
US3609551A (en) * 1968-06-28 1971-09-28 Bell Telephone Labor Inc Discrete-continuous companding for a digital transmission system
DE1960532A1 (de) * 1968-12-06 1970-06-18 Western Electric Co Deltamodulationssystem
JPS5438625B2 (xx) * 1972-06-20 1979-11-22

Also Published As

Publication number Publication date
FR2116474A1 (xx) 1972-07-13
DE2159575B2 (de) 1980-12-04
SE387797B (sv) 1976-09-13
DE2159575A1 (de) 1972-06-15
GB1355543A (en) 1974-06-05
DE2159575C3 (de) 1981-07-23
FR2116474B1 (xx) 1974-06-21
CA941507A (en) 1974-02-05
IT943134B (it) 1973-04-02
NL7116378A (xx) 1972-06-06
US3706944A (en) 1972-12-19
JPS5414467B1 (xx) 1979-06-07

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