FR2664455B1 - Procede et dispositif de regulation de codeurs decodeurs d'images a debit ajustable adaptes aux magnetoscopes. - Google Patents

Procede et dispositif de regulation de codeurs decodeurs d'images a debit ajustable adaptes aux magnetoscopes.

Info

Publication number
FR2664455B1
FR2664455B1 FR9008615A FR9008615A FR2664455B1 FR 2664455 B1 FR2664455 B1 FR 2664455B1 FR 9008615 A FR9008615 A FR 9008615A FR 9008615 A FR9008615 A FR 9008615A FR 2664455 B1 FR2664455 B1 FR 2664455B1
Authority
FR
France
Prior art keywords
magnetoscopes
image decoder
regulating adjustable
throughput image
adjustable throughput
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 - Fee Related
Application number
FR9008615A
Other languages
English (en)
Other versions
FR2664455A1 (fr
Inventor
Philippe Tourtier
Yann Thomas
Michel Pecot
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.)
Thales SA
Original Assignee
Thomson CSF 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 CSF SA filed Critical Thomson CSF SA
Priority to FR9008615A priority Critical patent/FR2664455B1/fr
Publication of FR2664455A1 publication Critical patent/FR2664455A1/fr
Application granted granted Critical
Publication of FR2664455B1 publication Critical patent/FR2664455B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
    • H04N5/9261—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction
    • H04N5/9262—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction using predictive coding
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • 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)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
FR9008615A 1990-07-06 1990-07-06 Procede et dispositif de regulation de codeurs decodeurs d'images a debit ajustable adaptes aux magnetoscopes. Expired - Fee Related FR2664455B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9008615A FR2664455B1 (fr) 1990-07-06 1990-07-06 Procede et dispositif de regulation de codeurs decodeurs d'images a debit ajustable adaptes aux magnetoscopes.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9008615A FR2664455B1 (fr) 1990-07-06 1990-07-06 Procede et dispositif de regulation de codeurs decodeurs d'images a debit ajustable adaptes aux magnetoscopes.

Publications (2)

Publication Number Publication Date
FR2664455A1 FR2664455A1 (fr) 1992-01-10
FR2664455B1 true FR2664455B1 (fr) 1997-01-31

Family

ID=9398448

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9008615A Expired - Fee Related FR2664455B1 (fr) 1990-07-06 1990-07-06 Procede et dispositif de regulation de codeurs decodeurs d'images a debit ajustable adaptes aux magnetoscopes.

Country Status (1)

Country Link
FR (1) FR2664455B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3437182A1 (de) * 1984-10-10 1986-04-10 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Verfahren zur aufzeichnung und/oder wiedergabe digital kodierter signale
JPH0620303B2 (ja) * 1984-11-08 1994-03-16 日本電信電話株式会社 フレ−ム間符号化方式におけるリフレッシュ処理方式
US4785349A (en) * 1987-10-05 1988-11-15 Technology Inc. 64 Digital video decompression system
FR2633133B1 (fr) * 1988-06-17 1990-10-05 Thomson Csf Procede de regulation du remplissage de la memoire tampon d'un codeur d'images, et dispositif de regulation pour la mise en oeuvre de ce procede
DE3926154A1 (de) * 1989-06-30 1991-01-10 Thomson Brandt Gmbh Signalverarbeitungssystem

Also Published As

Publication number Publication date
FR2664455A1 (fr) 1992-01-10

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse

Effective date: 20090331