JPS557971B1 - - Google Patents

Info

Publication number
JPS557971B1
JPS557971B1 JP3452872A JP3452872A JPS557971B1 JP S557971 B1 JPS557971 B1 JP S557971B1 JP 3452872 A JP3452872 A JP 3452872A JP 3452872 A JP3452872 A JP 3452872A JP S557971 B1 JPS557971 B1 JP S557971B1
Authority
JP
Japan
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.)
Pending
Application number
JP3452872A
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 filed Critical
Publication of JPS557971B1 publication Critical patent/JPS557971B1/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3048—Conversion to or from one-bit differential modulation only, e.g. delta modulation [DM]
    • H03M7/3051—Conversion to or from one-bit differential modulation only, e.g. delta modulation [DM] adaptive, 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)
JP3452872A 1971-04-07 1972-04-07 Pending JPS557971B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13205971A 1971-04-07 1971-04-07

Publications (1)

Publication Number Publication Date
JPS557971B1 true JPS557971B1 (ja) 1980-02-29

Family

ID=22452261

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3452872A Pending JPS557971B1 (ja) 1971-04-07 1972-04-07

Country Status (6)

Country Link
US (1) US3703688A (ja)
JP (1) JPS557971B1 (ja)
BE (1) BE781628A (ja)
DE (1) DE2216069C3 (ja)
FR (1) FR2132728B1 (ja)
GB (1) GB1356209A (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3855555A (en) * 1970-09-04 1974-12-17 Industrial Research Prod Inc Delta modulator having low-level random noise characteristic
US3878465A (en) * 1972-12-15 1975-04-15 Univ Sherbrooke Instantaneous adaptative delta modulation system
NL7400764A (nl) * 1974-01-21 1975-07-23 Philips Nv Digitale inrichting voor het omzetten van ge- comprimeerde delta gemoduleerde signalen in pcm-signalen.
US4035724A (en) * 1974-05-08 1977-07-12 Universite De Sherbrooke Digital converter from continuous variable slope delta modulation to pulse code modulation
US3903401A (en) * 1974-06-27 1975-09-02 Bell Telephone Labor Inc Spectrum analyzer using delta modulation encoding
US3949299A (en) * 1974-11-05 1976-04-06 North Electric Company Signal coding for telephone communication system
US4709375A (en) * 1983-09-27 1987-11-24 Robinton Products, Inc. Digital phase selection system for signal multipliers
US4700362A (en) * 1983-10-07 1987-10-13 Dolby Laboratories Licensing Corporation A-D encoder and D-A decoder system
US5832490A (en) * 1996-05-31 1998-11-03 Siemens Medical Systems, Inc. Lossless data compression technique that also facilitates signal analysis
GB0414420D0 (en) * 2004-06-28 2004-07-28 Cambridge Silicon Radio Ltd Speech activity detection

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2852745A (en) * 1953-11-05 1958-09-16 Bell Telephone Labor Inc Conversion of two-valued codes
US3339142A (en) * 1963-07-01 1967-08-29 Martin Marietta Corp Adaptive pulse transmission system with modified delta modulation and redundant pulse elimination
US3394313A (en) * 1964-09-14 1968-07-23 Navy Usa Symmetrically phase modulated transmission system with multi-lobed modulating signals
US3500205A (en) * 1966-06-14 1970-03-10 Gen Electric Co Ltd Communication systems employing code modulation

Also Published As

Publication number Publication date
BE781628A (fr) 1972-07-31
DE2216069B2 (de) 1980-07-24
GB1356209A (en) 1974-06-12
DE2216069C3 (de) 1981-05-21
FR2132728A1 (ja) 1972-11-24
US3703688A (en) 1972-11-21
DE2216069A1 (de) 1972-10-12
FR2132728B1 (ja) 1975-03-21

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