FR2305905A1 - Procede de compression-extension d'un signal de television, enregistrements et appareils utilisant ce procede - Google Patents

Procede de compression-extension d'un signal de television, enregistrements et appareils utilisant ce procede

Info

Publication number
FR2305905A1
FR2305905A1 FR7509916A FR7509916A FR2305905A1 FR 2305905 A1 FR2305905 A1 FR 2305905A1 FR 7509916 A FR7509916 A FR 7509916A FR 7509916 A FR7509916 A FR 7509916A FR 2305905 A1 FR2305905 A1 FR 2305905A1
Authority
FR
France
Prior art keywords
recordings
compression
extension
television signal
television
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.)
Granted
Application number
FR7509916A
Other languages
English (en)
Other versions
FR2305905B1 (fr
Inventor
Philippe Bied-Charreton
Francois Le Carvennec
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.)
Thomson-Brandt SA
Original Assignee
Thomson-Brandt SA
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 Thomson-Brandt SA filed Critical Thomson-Brandt SA
Priority to FR7509916A priority Critical patent/FR2305905A1/fr
Priority to US05/669,471 priority patent/US4068258A/en
Priority to GB12157/76A priority patent/GB1524117A/en
Priority to DE19762612753 priority patent/DE2612753A1/de
Priority to JP51035062A priority patent/JPS5278313A/ja
Publication of FR2305905A1 publication Critical patent/FR2305905A1/fr
Application granted granted Critical
Publication of FR2305905B1 publication Critical patent/FR2305905B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/917—Television signal processing therefor for bandwidth reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • H04N7/127—Systems in which different parts of the picture signal frequency band are individually processed, e.g. suppressed, transposed
    • 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
    • H04N9/86—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded sequentially and simultaneously, e.g. corresponding to SECAM-system

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Optical Recording Or Reproduction (AREA)
FR7509916A 1975-03-28 1975-03-28 Procede de compression-extension d'un signal de television, enregistrements et appareils utilisant ce procede Granted FR2305905A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7509916A FR2305905A1 (fr) 1975-03-28 1975-03-28 Procede de compression-extension d'un signal de television, enregistrements et appareils utilisant ce procede
US05/669,471 US4068258A (en) 1975-03-28 1976-03-23 Method for compressing then expanding a television signal
GB12157/76A GB1524117A (en) 1975-03-28 1976-03-25 Method for compressing then expanding a television signal
DE19762612753 DE2612753A1 (de) 1975-03-28 1976-03-25 Verfahren zur kompression und expansion eines fernsehsignals und anordnung zur durchfuehrung des verfahrens
JP51035062A JPS5278313A (en) 1975-03-28 1976-03-29 Method and device for compressing and expanding television signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7509916A FR2305905A1 (fr) 1975-03-28 1975-03-28 Procede de compression-extension d'un signal de television, enregistrements et appareils utilisant ce procede

Publications (2)

Publication Number Publication Date
FR2305905A1 true FR2305905A1 (fr) 1976-10-22
FR2305905B1 FR2305905B1 (fr) 1981-06-19

Family

ID=9153287

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7509916A Granted FR2305905A1 (fr) 1975-03-28 1975-03-28 Procede de compression-extension d'un signal de television, enregistrements et appareils utilisant ce procede

Country Status (5)

Country Link
US (1) US4068258A (fr)
JP (1) JPS5278313A (fr)
DE (1) DE2612753A1 (fr)
FR (1) FR2305905A1 (fr)
GB (1) GB1524117A (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5492015A (en) * 1977-12-29 1979-07-20 Matsushita Electric Ind Co Ltd Color television image receiving unit
DE2908321C2 (de) * 1979-03-03 1984-06-28 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Schaltungsanordnung zum Übertragen oder Speichern eines breitbandigen kontinuierlichen Signals in mehreren schmalbandigen Kanälen
GB2048547B (en) * 1979-03-27 1983-03-30 Shibaura Denki Kk Video disc and playback system therefore
US4335393A (en) * 1980-04-15 1982-06-15 Harris Video Systems, Inc. Method and system using sequentially encoded color and luminance processing of video type signals to improve picture quality
US4347619A (en) * 1980-12-19 1982-08-31 Discovision Associates Digital formatting system
US4628344A (en) * 1982-09-14 1986-12-09 New York Institute Of Technoloy Method and apparatus for encoding and decoding video
US4701783A (en) * 1982-09-14 1987-10-20 New York Institute Of Technology Technique for encoding and decoding video with improved separation of chrominance and luminance
US4667226A (en) * 1982-09-14 1987-05-19 New York Institute Of Technology High definition television camera system and method with optical switching
US4652909A (en) * 1982-09-14 1987-03-24 New York Institute Of Technology Television camera and recording system for high definition television having imagers of different frame rate
US4517597A (en) * 1982-09-14 1985-05-14 New York Institute Of Technology Method and apparatus for encoding and decoding video
US4794464A (en) * 1986-09-02 1988-12-27 Eastman Kodak Company Video time division multiplexer with plural dual port memories
US5031218A (en) * 1988-03-30 1991-07-09 International Business Machines Corporation Redundant message processing and storage
US5025394A (en) * 1988-09-09 1991-06-18 New York Institute Of Technology Method and apparatus for generating animated images
US5032908A (en) * 1989-10-23 1991-07-16 Westinghouse Electric Corp. High definition television acoustic charge transport filter bank
US5146324A (en) * 1990-07-31 1992-09-08 Ampex Corporation Data compression using a feedforward quantization estimator
TW223690B (fr) * 1991-02-13 1994-05-11 Ampex
US5434623A (en) * 1991-12-20 1995-07-18 Ampex Corporation Method and apparatus for image data compression using combined luminance/chrominance coding
US5339108A (en) * 1992-04-09 1994-08-16 Ampex Corporation Ordering and formatting coded image data and reconstructing partial images from the data
DE4221683A1 (de) * 1992-07-02 1994-01-13 Philips Patentverwaltung Verfahren zur Datenübertragung
JPH08509566A (ja) * 1993-12-23 1996-10-08 トムソン−セーエスエフ 記録媒体の上で情報を書き込み／読み出す光システムおよびその方法
FR2742911B1 (fr) * 1995-12-21 1998-02-06 Thomson Csf Support d'enregistrement/lecture optique d'informations et procede d'enregistrement
FR2787232B1 (fr) 1998-12-15 2001-02-23 Thomson Csf Disque d'enregistrement optique anti-piratage et procede de lecture d'un tel disque
US20060072780A1 (en) * 2004-09-30 2006-04-06 Zarrabizadeh Mohammad H Watermarking scheme for analog video

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2629010A (en) * 1949-12-30 1953-02-17 Bell Telephone Labor Inc Television system having reduced transmission bandwidth
NL206428A (fr) * 1956-04-18
NL250453A (fr) * 1960-04-12
US3366739A (en) * 1964-09-30 1968-01-30 North American Rockwell Bandwidth reduction system for reconstituting non-transmitted signals from transmitted signals
US3614333A (en) * 1968-03-18 1971-10-19 Ampex Head mount for a magnetic disc recorder
DE2135759C3 (de) * 1970-07-20 1973-09-20 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka (Japan) System für die Aufzeichnung und Wiedergabe von Farbfernsehsignalen
US3869712A (en) * 1971-11-22 1975-03-04 Iit Res Inst Video playback system with flutter tolerant clamping
GB1431378A (en) * 1972-04-19 1976-04-07 Rca Corp Colour information translating systems
US3934264A (en) * 1974-02-04 1976-01-20 International Video Corporation Videotape recorder and reproducer every line velocity compensator apparatus

Also Published As

Publication number Publication date
DE2612753A1 (de) 1976-10-07
US4068258A (en) 1978-01-10
GB1524117A (en) 1978-09-06
JPS5278313A (en) 1977-07-01
FR2305905B1 (fr) 1981-06-19

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Legal Events

Date Code Title Description
ST Notification of lapse