BS EN 61904:2001
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
15-06-2001
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
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