SE401068B - Adaptivt deltamodulationssystem - Google Patents

Adaptivt deltamodulationssystem

Info

Publication number
SE401068B
SE401068B SE7415992A SE7415992A SE401068B SE 401068 B SE401068 B SE 401068B SE 7415992 A SE7415992 A SE 7415992A SE 7415992 A SE7415992 A SE 7415992A SE 401068 B SE401068 B SE 401068B
Authority
SE
Sweden
Prior art keywords
participation
adaptive
modulation system
modulation
participation modulation
Prior art date
Application number
SE7415992A
Other languages
English (en)
Other versions
SE7415992L (sv
Inventor
T Moriya
K Murano
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of SE7415992L publication Critical patent/SE7415992L/xx
Publication of SE401068B publication Critical patent/SE401068B/sv

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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
SE7415992A 1973-12-28 1974-12-19 Adaptivt deltamodulationssystem SE401068B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP74312A JPS547525B2 (sv) 1973-12-28 1973-12-28

Publications (2)

Publication Number Publication Date
SE7415992L SE7415992L (sv) 1975-06-30
SE401068B true SE401068B (sv) 1978-04-17

Family

ID=11470384

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7415992A SE401068B (sv) 1973-12-28 1974-12-19 Adaptivt deltamodulationssystem

Country Status (12)

Country Link
US (1) US3995218A (sv)
JP (1) JPS547525B2 (sv)
BE (1) BE823938A (sv)
CA (1) CA1052006A (sv)
CH (1) CH600688A5 (sv)
DE (1) DE2461581C3 (sv)
FR (1) FR2256591B1 (sv)
GB (1) GB1487410A (sv)
IT (1) IT1027188B (sv)
NL (1) NL163081C (sv)
SE (1) SE401068B (sv)
SU (1) SU620231A3 (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071825A (en) * 1976-05-17 1978-01-31 Rca Corporation Adaptive delta modulation system
US4151517A (en) * 1977-02-14 1979-04-24 Motorola, Inc. Closed loop companding ratio control for continuously variable slope delta modulation
US4110705A (en) * 1977-10-17 1978-08-29 International Business Machines Corporation Noise reduction method and apparatus for companded delta modulators
DE2849001C2 (de) * 1978-11-11 1982-10-07 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Netzwerk für adaptive Deltamodulation
US4264974A (en) * 1979-12-17 1981-04-28 International Business Machines Corporation Optimized digital delta modulation compander having truncation effect error recovery
DE3126380A1 (de) * 1981-07-03 1983-01-20 Texas Instruments Deutschland Gmbh, 8050 Freising "schaltungsanordnung zum umsetzen eines analogen wechselspannungssignals in ein digitales signal"
US4700362A (en) * 1983-10-07 1987-10-13 Dolby Laboratories Licensing Corporation A-D encoder and D-A decoder system
US4959852A (en) * 1987-10-19 1990-09-25 At&T Information Systems Inc. Telephone answering machine having solid state and magnetic tape storage for outgoing announcements
GB8804811D0 (en) * 1988-03-01 1988-03-30 Shaye Communications Ltd Waveform encoder/decoder
US7773358B2 (en) * 2005-05-18 2010-08-10 Texas Instruments Incorporated Output current control and overload protection in digital audio amplifiers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3621396A (en) * 1970-05-08 1971-11-16 Bell Telephone Labor Inc Delta modulation information transmission system
JPS5027713B1 (sv) * 1970-06-22 1975-09-09
US3706944A (en) * 1970-12-02 1972-12-19 Bell Telephone Labor Inc Discrete adaptive delta modulator
US3723909A (en) * 1971-06-21 1973-03-27 J Condon Differential pulse code modulation system employing periodic modulator step modification

Also Published As

Publication number Publication date
NL163081B (nl) 1980-02-15
IT1027188B (it) 1978-11-20
NL163081C (nl) 1980-07-15
NL7416915A (nl) 1975-07-01
DE2461581C3 (de) 1978-04-13
GB1487410A (en) 1977-09-28
FR2256591B1 (sv) 1979-06-01
SE7415992L (sv) 1975-06-30
JPS547525B2 (sv) 1979-04-07
DE2461581B2 (de) 1977-08-04
FR2256591A1 (sv) 1975-07-25
JPS5099209A (sv) 1975-08-06
SU620231A3 (ru) 1978-08-15
CH600688A5 (sv) 1978-06-30
BE823938A (fr) 1975-04-16
US3995218A (en) 1976-11-30
DE2461581A1 (de) 1975-07-03
CA1052006A (en) 1979-04-03

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