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BS EN 61904:2001

Current

Current

The latest, up-to-date edition.

Video recording. Helical-scan digital component video cassette recording format using 12,65mm magnetic tape and incorporating data compression (Format digital-L)

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-06-2001

€348.24
Excluding VAT

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.

Committee
EPL/100
DevelopmentNote
Also numbered as IEC 61904 (05/2001) Supersedes 98/231990 DC. (05/2005)
DocumentType
Standard
Pages
88
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
I.S. EN 61904:2000 Identical
EN 61904 : 2000 Identical
NF EN 61904 : 2001 Identical
DIN EN 61904:2001-01 Identical
SN EN 61904 : 2000 Identical
NBN EN 61904 : 2001 Identical

IEC 60958:1989 Digital audio interface
IEC 61237-1:1994 Broadcast video tape recorders - Methods of measurement - Part 1: Mechanical measurements
IEC 61213:1993 Analogue audio recording on video tape - Polarity of magnetization
IEC 60461:2010 Time and control code

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