BE772629A - Procede pour reduire la largeur de bande de signaux de message - Google Patents

Procede pour reduire la largeur de bande de signaux de message

Info

Publication number
BE772629A
BE772629A BE772629A BE772629A BE772629A BE 772629 A BE772629 A BE 772629A BE 772629 A BE772629 A BE 772629A BE 772629 A BE772629 A BE 772629A BE 772629 A BE772629 A BE 772629A
Authority
BE
Belgium
Prior art keywords
bandwidth
reducing
message signals
message
signals
Prior art date
Application number
BE772629A
Other languages
English (en)
Original Assignee
Licentia Gmbh
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
Priority claimed from DE19702045392 external-priority patent/DE2045392A1/de
Priority claimed from DE2046974A external-priority patent/DE2046974C3/de
Application filed by Licentia Gmbh filed Critical Licentia Gmbh
Publication of BE772629A publication Critical patent/BE772629A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BE772629A 1970-09-15 1971-09-15 Procede pour reduire la largeur de bande de signaux de message BE772629A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19702045392 DE2045392A1 (de) 1970-09-15 1970-09-15 Digitales Datenkompressionssystem für stark korrelierte Signale
DE2046974A DE2046974C3 (de) 1970-09-24 1970-09-24 Verfahren zur Reduktion der Bandbreite von Nachrichtensignalen

Publications (1)

Publication Number Publication Date
BE772629A true BE772629A (fr) 1972-01-17

Family

ID=25759723

Family Applications (1)

Application Number Title Priority Date Filing Date
BE772629A BE772629A (fr) 1970-09-15 1971-09-15 Procede pour reduire la largeur de bande de signaux de message

Country Status (3)

Country Link
US (1) US3772458A (fr)
BE (1) BE772629A (fr)
FR (1) FR2106533A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3927268A (en) * 1971-04-30 1975-12-16 Communications Satellite Corp Speech predictive encoding communication system
US4039948A (en) * 1974-06-19 1977-08-02 Boxall Frank S Multi-channel differential pulse code modulation system
CH637510A5 (de) * 1978-10-27 1983-07-29 Ibm Verfahren und anordnung zur uebertragung von sprachsignalen sowie anwendung des verfahrens.
US4661862A (en) * 1984-04-27 1987-04-28 Rca Corporation Differential PCM video transmission system employing horizontally offset five pixel groups and delta signals having plural non-linear encoding functions
JPS61283967A (ja) * 1985-06-10 1986-12-13 Toshiba Corp 画像記録再生装置
US4742391A (en) * 1987-01-16 1988-05-03 Cubic Corporation DPCM video signal compression and transmission system and method
US5038389A (en) * 1987-06-25 1991-08-06 Nec Corporation Encoding of a picture signal in consideration of contrast in each picture and decoding corresponding to the encoding
DE3920004A1 (de) * 1989-06-20 1991-01-03 Philips Patentverwaltung Verfahren und anordnung zur rauschunterdrueckung eines digitalen signals
JP6753278B2 (ja) * 2016-11-22 2020-09-09 オムロン株式会社 制御システムおよび制御装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2905756A (en) * 1956-11-30 1959-09-22 Bell Telephone Labor Inc Method and apparatus for reducing television bandwidth
US3071727A (en) * 1961-05-08 1963-01-01 Bell Telephone Labor Inc Bandwidth reduction system
GB1029815A (en) * 1962-08-29 1966-05-18 Nat Res Dev Improvements in television and like data transmission systems
US3393364A (en) * 1965-10-23 1968-07-16 Signatron Statistical delta modulation system
US3610819A (en) * 1966-01-04 1971-10-05 Rca Corp Video recording with alternate period inversion and low-frequency premphasis
US3603725A (en) * 1970-01-15 1971-09-07 Bell Telephone Labor Inc Conditional replenishment video system with reduced buffer memory delay
US3715722A (en) * 1971-07-02 1973-02-06 Ibm Data normalization system

Also Published As

Publication number Publication date
US3772458A (en) 1973-11-13
FR2106533A1 (fr) 1972-05-05

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