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2-1 Overview
To perform operations from interviewing to editing effectively and to
detect audio-visual materials easily when reusing them, metadata that
provides additional information is recorded along with audio-visual data
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on a cassette tape. As one of application of metadata, the UMID (Unique
Material Identifier) is internationally standardized.
2-1-1 What is a UMID?
The UMID is a unique identifier for audio-visual material.
The UMID may be used either as the 32-byte Basic UMID or as the
extended UMID, which includes an additional 32 bytes of Source Pack
to make a total 64 bytes.
For details, refer to SMPTE 330M.
2-1
Chapter 2 Using UMID Data
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