FR2326095A1 - Traitement de signaux servant a reduire l'interference entre des signaux a frequence modulee, notamment de television et de son - Google Patents

Traitement de signaux servant a reduire l'interference entre des signaux a frequence modulee, notamment de television et de son

Info

Publication number
FR2326095A1
FR2326095A1 FR7628173A FR7628173A FR2326095A1 FR 2326095 A1 FR2326095 A1 FR 2326095A1 FR 7628173 A FR7628173 A FR 7628173A FR 7628173 A FR7628173 A FR 7628173A FR 2326095 A1 FR2326095 A1 FR 2326095A1
Authority
FR
France
Prior art keywords
sound
signal processing
modulated signals
frequency modulated
reduce interference
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.)
Withdrawn
Application number
FR7628173A
Other languages
English (en)
French (fr)
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.)
Decca Ltd
Original Assignee
Decca Ltd
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 Decca Ltd filed Critical Decca Ltd
Publication of FR2326095A1 publication Critical patent/FR2326095A1/fr
Withdrawn legal-status Critical Current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
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/7908—Suppression of interfering signals at the reproducing side, e.g. noise
    • H04N9/7912—Suppression of interfering signals at the reproducing side, e.g. noise the interfering signals being intermodulation signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/802—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving processing of the sound signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Television Signal Processing For Recording (AREA)
  • Television Systems (AREA)
FR7628173A 1975-09-24 1976-09-20 Traitement de signaux servant a reduire l'interference entre des signaux a frequence modulee, notamment de television et de son Withdrawn FR2326095A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB39195/75A GB1514556A (en) 1975-09-24 1975-09-24 Signal processor for reducing interference between frequency-modulated signals

Publications (1)

Publication Number Publication Date
FR2326095A1 true FR2326095A1 (fr) 1977-04-22

Family

ID=10408217

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7628173A Withdrawn FR2326095A1 (fr) 1975-09-24 1976-09-20 Traitement de signaux servant a reduire l'interference entre des signaux a frequence modulee, notamment de television et de son

Country Status (16)

Country Link
US (1) US4051533A (enExample)
JP (1) JPS5240017A (enExample)
AT (1) AT347518B (enExample)
AU (1) AU497794B2 (enExample)
BE (1) BE846448A (enExample)
CA (1) CA1079810A (enExample)
CH (1) CH595020A5 (enExample)
DE (1) DE2642857C3 (enExample)
DK (1) DK428876A (enExample)
FR (1) FR2326095A1 (enExample)
GB (1) GB1514556A (enExample)
IT (1) IT1125212B (enExample)
NL (1) NL7610195A (enExample)
NO (1) NO763254L (enExample)
NZ (1) NZ182006A (enExample)
SE (1) SE415513B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0312266A3 (en) * 1987-10-08 1990-06-27 Pioneer Electronic Corporation Apparatus for reproducing recorded information with cross modulation suppression

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1159851B (it) * 1978-06-20 1987-03-04 Cselt Centro Studi Lab Telecom Perfezionamenti ai sistemi di trasmissione a divisione di lunghezza d'onda
US4322746A (en) * 1978-10-06 1982-03-30 Hitachi, Ltd. Crosstalk attenuator system
US4335394A (en) * 1979-12-19 1982-06-15 Rca Corporation Crosstalk filtering arrangement with variable frequency filtering to remove effects of FM carrier
US4441090A (en) * 1979-12-19 1984-04-03 Rca Corporation Crosstalk filtering arrangement with variable frequency filtering to remove effects of FM carrier
US4309722A (en) * 1980-05-27 1982-01-05 Rca Corporation Video disc player noise reduction circuit
US4360829A (en) * 1980-06-24 1982-11-23 Rca Corporation Active distortion elimination circuitry for a video disc player
US4329712A (en) * 1980-06-24 1982-05-11 Rca Corporation Adaptive distortion elimination circuitry for a video disc player
JPS62133878A (ja) * 1985-12-05 1987-06-17 Sony Corp 映像信号記録装置
US4743980A (en) * 1986-01-13 1988-05-10 Optical Disc Corporation Audio carrier amplitude control for videodisc recorder
US5093725A (en) * 1990-06-22 1992-03-03 At&T Bell Laboratories Dynamic signal modification for achieving interference reduction in concurrently transmitted signals
KR20150072987A (ko) * 2013-12-20 2015-06-30 삼성전자주식회사 오디오 출력 환경에서의 노이즈 저감 방법 및 이를 지원하는 전자 장치

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3371154A (en) * 1963-12-26 1968-02-27 Minnesota Mining & Mfg Audio-video disk recording system with crosstalk prevention
NL6602675A (enExample) * 1966-03-02 1967-09-04
US3548085A (en) * 1967-03-13 1970-12-15 Sony Corp Color television transmission systems for elimination of cross modulation
DE2133130B2 (de) * 1971-07-03 1973-12-06 Ted Bildplatten Ag Aeg-Telefunkenteldec, Zug (Schweiz) System zur gleichzeitigen Wie dergabe zweier unabhängiger Signal verlaufe
DE2219528C2 (de) * 1972-04-21 1974-04-04 Ted Bildplatten Ag, Aeg-Telefunken Teldec, Zug (Schweiz) System zum Aufzeichnen eines Videosignals und eines Tonsignals auf derselben Spur eines Aufzeichnungsträgers, insbesondere einer Bildplatte

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0312266A3 (en) * 1987-10-08 1990-06-27 Pioneer Electronic Corporation Apparatus for reproducing recorded information with cross modulation suppression

Also Published As

Publication number Publication date
US4051533A (en) 1977-09-27
NO763254L (no) 1977-03-25
GB1514556A (en) 1978-06-14
IT1125212B (it) 1986-05-14
AT347518B (de) 1978-12-27
DE2642857C3 (de) 1980-02-14
AU497794B2 (en) 1979-01-11
NZ182006A (en) 1980-10-24
SE7610533L (sv) 1977-03-25
DE2642857B2 (de) 1979-06-07
DE2642857A1 (de) 1977-04-07
ATA705676A (de) 1978-05-15
NL7610195A (nl) 1977-03-28
SE415513B (sv) 1980-10-06
DK428876A (da) 1977-03-25
AU1808876A (en) 1978-04-06
CA1079810A (en) 1980-06-17
BE846448A (fr) 1977-01-17
CH595020A5 (enExample) 1978-01-31
JPS5240017A (en) 1977-03-28

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Legal Events

Date Code Title Description
ST Notification of lapse