I.S. EN 61904:2000
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)
Hardcopy , PDF
English
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.
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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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