FR2475834B1 - METHOD AND DEVICE FOR REDUCING NOISE IN A SAMPLE SIGNAL - Google Patents

METHOD AND DEVICE FOR REDUCING NOISE IN A SAMPLE SIGNAL

Info

Publication number
FR2475834B1
FR2475834B1 FR8102389A FR8102389A FR2475834B1 FR 2475834 B1 FR2475834 B1 FR 2475834B1 FR 8102389 A FR8102389 A FR 8102389A FR 8102389 A FR8102389 A FR 8102389A FR 2475834 B1 FR2475834 B1 FR 2475834B1
Authority
FR
France
Prior art keywords
reducing noise
sample signal
sample
noise
signal
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
FR8102389A
Other languages
French (fr)
Other versions
FR2475834A1 (en
Inventor
Glenn Arthur Reitmeier
Robert Adams Dischert
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 FR2475834A1 publication Critical patent/FR2475834A1/en
Application granted granted Critical
Publication of FR2475834B1 publication Critical patent/FR2475834B1/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
FR8102389A 1980-02-07 1981-02-06 METHOD AND DEVICE FOR REDUCING NOISE IN A SAMPLE SIGNAL Expired FR2475834B1 (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
FR2475834A1 FR2475834A1 (en) 1981-08-14
FR2475834B1 true FR2475834B1 (en) 1986-07-18

Family

ID=26274431

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8102389A Expired FR2475834B1 (en) 1980-02-07 1981-02-06 METHOD AND DEVICE FOR REDUCING NOISE IN A SAMPLE SIGNAL

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
GB2070385A (en) 1981-09-03
FR2475834A1 (en) 1981-08-14
DE3104247A1 (en) 1981-12-03
GB2070385B (en) 1984-08-08
CA1158355A (en) 1983-12-06

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Legal Events

Date Code Title Description
ST Notification of lapse