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BS ISO 9642:2020

BS ISO 9642:2020

$102.76

Cinematography. Time and control code for 24, 25 and 30 frames per second motion-picture film systems. Specifications

Published By Publication Date Number of Pages
BSI 2020 20
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This document specifies digital code for mats and modulation methods for motion-picture film to be used for timing, control, editing and synchronization purposes. This document also specifies the relationship of the codes to the motion picture frame.

Two types of code are described in this document. The first type, Type C, is a continuous code which is very similar to the continuous code specified in IEC 60461. This type of code can be used in situations where the film is moving continuously at the time of both recording and reproduction.

The second type of code, Type 8, is a non-continuous, block-type code, composed of blocks of data, each complete in itself, with gaps between the blocks. It is designed so that the code can be recorded and played back on equipment with intermittent film motion but still be decoded with the same type of electronic equipment used to read the Type C or continuous time code.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Modulation method
5 Code formats
5.1 Type C code format
14 5.2 Type 8 code format
15 5.3 Use of binary groups
16 5.4 Assigned and unassigned address bits
6 Time discrepancies and colour framing in film/video transfer
6.1 NTSC colour recording
17 6.2 SECAM signals
6.3 PAL signals
7 Structure of the address bits
8 Position of the address on motion-picture film
9 Addresses on motion-picture prints
19 Bibliography

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BS ISO 9642:2020
$102.76