GB2070385B - Adaptive amplitude averaging for weighting sampling noise - Google Patents

Adaptive amplitude averaging for weighting sampling noise

Info

Publication number
GB2070385B
GB2070385B GB8103686A GB8103686A GB2070385B GB 2070385 B GB2070385 B GB 2070385B GB 8103686 A GB8103686 A GB 8103686A GB 8103686 A GB8103686 A GB 8103686A GB 2070385 B GB2070385 B GB 2070385B
Authority
GB
United Kingdom
Prior art keywords
sampling noise
adaptive amplitude
amplitude averaging
weighting sampling
weighting
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
GB8103686A
Other versions
GB2070385A (en
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.)
RCA Corp
Original Assignee
RCA Corp
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 US06/149,998 external-priority patent/US4334237A/en
Application filed by RCA Corp filed Critical RCA Corp
Publication of GB2070385A publication Critical patent/GB2070385A/en
Application granted granted Critical
Publication of GB2070385B publication Critical patent/GB2070385B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • 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
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB8103686A 1980-02-07 1981-02-06 Adaptive amplitude averaging for weighting sampling noise Expired GB2070385B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8004196 1980-02-07
US06/149,998 US4334237A (en) 1980-02-07 1980-05-15 Adaptive amplitude averaging for weighting quantizing noise

Publications (2)

Publication Number Publication Date
GB2070385A GB2070385A (en) 1981-09-03
GB2070385B true GB2070385B (en) 1984-08-08

Family

ID=26274431

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8103686A Expired GB2070385B (en) 1980-02-07 1981-02-06 Adaptive amplitude averaging for weighting sampling noise

Country Status (4)

Country Link
CA (1) CA1158355A (en)
DE (1) DE3104247A1 (en)
FR (1) FR2475834B1 (en)
GB (1) GB2070385B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2505579A1 (en) * 1981-05-08 1982-11-12 Agence France Presse METHOD FOR THE FILTER RECONSTRUCTION OF AN ANALOGUE SIGNAL FROM A PSEUDOANALOGIC SIGNAL OBTAINED BY DOUBLE DIGITAL / DIGITAL ANALOGUE / DIGITAL CONVERSION OF THE ANALOGUE SIGNAL WITH EVENTUALLY PROCESSING THE DIGITAL SIGNAL
FR2529043B1 (en) * 1982-06-18 1986-04-25 Thomson Csf METHOD AND DEVICE FOR ANALOG-TO-DIGITAL CONVERSION OF A TELEVISION SIGNAL, APPLIED TO A TELEVISION SIGNAL TRANSMISSION SYSTEM
FR2529414B1 (en) * 1982-06-25 1986-04-11 Thomson Csf METHOD AND SYSTEM FOR COMPRESSION OF DATA RATE TRANSMITTED BETWEEN A TRANSMITTER AND A RECEIVER, APPLIED TO A TELEVISION IMAGE TRANSMISSION SYSTEM
KR890004853B1 (en) * 1985-01-28 1989-11-29 미쓰비시전기 주식회사 Circuits for processing video signals
DE3504762A1 (en) * 1985-02-13 1986-08-14 Robert Bosch Gmbh, 7000 Stuttgart METHOD AND CIRCUIT ARRANGEMENT FOR SUPPRESSING QUANTIZATION UNCERTAINTIES
DE3744132A1 (en) * 1987-12-24 1989-07-06 Asea Brown Boveri Method and circuit for suppressing the quantisation noise
CA2014935C (en) * 1989-05-04 1996-02-06 James D. Johnston Perceptually-adapted image coding system
DE4211315C2 (en) * 1992-04-04 1994-05-19 Ant Nachrichtentech Method for increasing the useful-to-noise signal distance in systems for digital signal processing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3009016A (en) * 1959-10-06 1961-11-14 Bell Telephone Labor Inc Noise suppressing video circuit
US3244808A (en) * 1962-01-12 1966-04-05 Massachusetts Inst Technology Pulse code modulation with few amplitude steps
GB1218015A (en) * 1967-03-13 1971-01-06 Nat Res Dev Improvements in or relating to systems for transmitting television signals
GB1415520A (en) * 1970-06-15 1975-11-26 British Broadcasting Corp Transmission of digital information

Also Published As

Publication number Publication date
CA1158355A (en) 1983-12-06
DE3104247A1 (en) 1981-12-03
GB2070385A (en) 1981-09-03
FR2475834B1 (en) 1986-07-18
FR2475834A1 (en) 1981-08-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee