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DE2963033D1 - Differential pulse code modulation transmission system - Google Patents

Differential pulse code modulation transmission system

Info

Publication number
DE2963033D1
DE2963033D1 DE7979200657T DE2963033T DE2963033D1 DE 2963033 D1 DE2963033 D1 DE 2963033D1 DE 7979200657 T DE7979200657 T DE 7979200657T DE 2963033 T DE2963033 T DE 2963033T DE 2963033 D1 DE2963033 D1 DE 2963033D1
Authority
DE
Germany
Prior art keywords
transmission system
pulse code
code modulation
differential pulse
modulation transmission
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.)
Expired
Application number
DE7979200657T
Other languages
English (en)
Inventor
Georges Bonnerot
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.)
Telecommunications Radioelectriques et Telephoniques SA TRT
Original Assignee
Telecommunications Radioelectriques et Telephoniques SA TRT
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 Telecommunications Radioelectriques et Telephoniques SA TRT filed Critical Telecommunications Radioelectriques et Telephoniques SA TRT
Application granted granted Critical
Publication of DE2963033D1 publication Critical patent/DE2963033D1/de
Expired 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
    • H03M7/3044—Conversion to or from differential modulation with several bits only, i.e. the difference between successive samples being coded by more than one bit, e.g. differential pulse code modulation [DPCM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H04B14/046—Systems or methods for reducing noise or bandwidth

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE7979200657T 1978-11-17 1979-11-09 Differential pulse code modulation transmission system Expired DE2963033D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7832508A FR2441971A1 (fr) 1978-11-17 1978-11-17 Systeme de transmission utilisant la modulation differentielle par codage d'impulsions

Publications (1)

Publication Number Publication Date
DE2963033D1 true DE2963033D1 (en) 1982-07-22

Family

ID=9215013

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979200657T Expired DE2963033D1 (en) 1978-11-17 1979-11-09 Differential pulse code modulation transmission system

Country Status (7)

Country Link
US (1) US4361893A (de)
EP (1) EP0011341B1 (de)
JP (1) JPS5573153A (de)
AU (1) AU527136B2 (de)
CA (1) CA1155555A (de)
DE (1) DE2963033D1 (de)
FR (1) FR2441971A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2515901A1 (fr) * 1981-11-04 1983-05-06 Trt Telecom Radio Electr Systeme de transmission mic-differentiel avec prediction adaptative
NL8105801A (nl) * 1981-12-23 1983-07-18 Philips Nv Recursief digitaal filter.
US4665431A (en) * 1982-06-24 1987-05-12 Cooper J Carl Apparatus and method for receiving audio signals transmitted as part of a television video signal
US5675388A (en) * 1982-06-24 1997-10-07 Cooper; J. Carl Apparatus and method for transmitting audio signals as part of a television video signal
US4509901A (en) * 1983-04-18 1985-04-09 Fmc Corporation Method and apparatus for detecting problems in sucker-rod well pumps
EP0165014A3 (de) * 1984-06-12 1988-06-08 Dolby Laboratories Licensing Corporation Abtastratenumwandler für Delta-modulierte Signale
DE4405659C1 (de) * 1994-02-22 1995-04-06 Fraunhofer Ges Forschung Verfahren zum kaskadierten Codieren und Decodieren von Audiodaten
US5603022A (en) * 1994-09-23 1997-02-11 The Regents Of The University Of Michigan Data compression system and method representing records as differences between sorted domain ordinals representing field values
US5678043A (en) * 1994-09-23 1997-10-14 The Regents Of The University Of Michigan Data compression and encryption system and method representing records as differences between sorted domain ordinals that represent field values
GB9509831D0 (en) * 1995-05-15 1995-07-05 Gerzon Michael A Lossless coding method for waveform data
GB9711903D0 (en) * 1997-06-10 1997-08-06 Philips Electronics Nv Receiver for independent sideband signals
US8786480B2 (en) * 2010-04-06 2014-07-22 Japan Science And Technology Agency Data conversion method based on negative β-map
CN118018118A (zh) * 2024-02-04 2024-05-10 北京红山信息科技研究院有限公司 一种数字差分脉冲编码调制光纤无线电方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502986A (en) * 1967-12-14 1970-03-24 Bell Telephone Labor Inc Adaptive prediction for redundancy removal in data transmission systems
US3689840A (en) * 1971-04-29 1972-09-05 Bell Telephone Labor Inc Coding of sign information in dpcm systems
NL165014C (nl) * 1973-09-03 1981-02-16 Philips Nv Transmissiestelsel met een zender en een ontvanger voor het met behulp van een pulscode overdragen van informatiesignalen.

Also Published As

Publication number Publication date
EP0011341A1 (de) 1980-05-28
AU527136B2 (en) 1983-02-17
FR2441971A1 (fr) 1980-06-13
JPS5573153A (en) 1980-06-02
AU5282079A (en) 1980-05-22
FR2441971B1 (de) 1981-04-17
US4361893A (en) 1982-11-30
EP0011341B1 (de) 1982-06-02
CA1155555A (en) 1983-10-18

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee