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I.S. EN 61904:2000

Current

Current

The latest, up-to-date edition.

VIDEO RECORDING - HELICAL-SCAN DIGITAL COMPONENT VIDEO CASSETTE RECORDING FORMAT USING 12,65 MM MAGNETIC TAPE AND INCORPORATING DATA COMPRESSION (FORMAT DIGITAL-L)

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2000

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.


Dates of withdrawal of national standards are available from NSAI.

1 General
  1.1 Scope
  1.2 Normative references
  1.3 Abbreviations
  1.4 Environment and test conditions
  1.5 Reference tape
  1.6 Calibration tape
2 Videotape cassette and tape
  2.1 Mechanical parameters of cassette
  2.2 Magnetic tape
3 Helical recordings
  3.1 Tape speed
  3.2 Record location and dimensions
  3.3 Helical track record tolerance zones
  3.4 Gap azimuth
4 Programme track data arrangement
  4.1 Introduction
  4.2 Labelling convention
  4.3 Sector details
  4.4 Edit gap
  4.5 Channel coding
  4.6 Tracking servo signals
  4.7 Magnetization
5 Data arrangement in video sectors
   5.1 Introduction
   5.2 Recorded data
   5.3 Data shuffling
   5.4 DCT (discrete cosine transform)
   5.5 Quantization
   5.6 VLC (variable length code)
   5.7 Data arrangement in sync blocks
   5.8 Outer ECC
6 Data arrangement in audio sectors
  6.1 General
  6.2 Source data
  6.3 Shuffling
  6.4 Outer ECC
7 Video audio interface
  7.1 Video interface
  7.2 Audio interface
8 Longitudinal tracks
  8.1 Relative timing
  8.2 Control track
  8.3 Cue recording
  8.4 Time and control code recording
Annex A (informative) Tape transport and scanner
Annex B (informative) Compatibility with analogue
         type-L
Annex ZA (normative) Normative references to
         international publications with their
         corresponding European publications
Bibliography

Applies to the format for video cassette recording of digital component video signals and associated digital audio signals and related control signals, using 12,65 mm magnetic tape.

DevelopmentNote
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
DocumentType
Standard
Pages
180
PublisherName
National Standards Authority of Ireland
Status
Current

Standards Relationship
IEC 61904:2000 Identical
NF EN 61904 : 2001 Identical
DIN EN 61904:2001-01 Identical
SN EN 61904 : 2000 Identical
NBN EN 61904 : 2001 Identical
BS EN 61904:2001 Identical
EN 61904 : 2000 Identical

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