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IEC 60843-4:2000
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Helical-scan video tape cassette system using 8 mm magnetic tape (8 mm video) - Part 4: Video subcode (VSC)
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
English - French
24-02-2000
FOREWORD
1 General
1.1 Scope
1.2 Normative references
2 Area allocation and dimensions
2.1 Types of video subcode (VSC)
2.2 1 block VSC
2.3 5 block VSC
3 Data structure
3.1 1 block VSC
3.2 5 block VASC
4 Channel coding
4.1 Modulation
4.2 Transmission rate
4.3 Erase code
4.4 Search mark
4.5 Synchronization code
4.6 End mark
5 Data contents
5.1 Block
5.2 Word
5.3 CRC code and error detection
5.4 Mode
6 Recording method of mode data (Block 4)
6.1 Time code
6.2 Recording date/Recording time
6.3 Video control code
6.4 Pre-recorded tape modes
Annex A (normative) Code assignment
Annex B (informative) Pre-recorded tape
Figures
1 - Area allocation and dimensions of 1 block VSC
2 - Area allocation and dimensions of 5 block VSC with
PCM audio
3 - Area allocation and dimensions of 5 block VSC
without PCM audio
4 - 1 block VSC
5 - 5 block VSC
6 - Synchronization code
Tables
1 - Search mark
2 - Block contents
3 - Word contents
4 - Mode contents
5 - Time code (525 line - 60 field system)
6 - Time code (625 line - 50 field system)
7 - Recording date/Recording time (525 line -
60 field system)
8 - Recording date/Recording time (625 line -
50 field system)
9 - Recording length
10 - Pre-recorded tape (525 line - 60 field system)
11 - Pre-recorded tape (625 line - 50 field system)
A.1 - Control command
A.2 - Numeral code
B.1 - Structure of pre-recorded tape
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