Using Umid Data - Sony PDW-V1 Operation Manual

7-3-3 Using UMID Data

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. As
one of application of metadata, the UMID (Unique
Material Identifier) is internationally standardized.
What is a UMID?
The UMID (Unique Material Identifier) is a unique
identifier for audio-visual material defined by the
SMPTE330M-2003 standard.
Basic UMID (32 bytes)
Universal label
12 bytes
Globally unique ID is automatically recorded in clip units.
The Extended UMID is metadata that provides additional
information such as location, time/date, company and so
on.
Instance No.
Original material: 00 00 00
Copied material: generation number (1 byte) +
random number (2 bytes)
Distinguishing between the
original material and copied
material
Extended UMID (64 bytes)
L Inst. No. Material Number
1 3 bytes 16 bytes
Material No.
ID generated when
recording
Same as the above
M
Material source ID/detecting
material
8
Press the SET button.
When you next display the menu and change the item
display, the extended menu will appear after the basic
menu.
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.
Source Pack (32 bytes)
Spatial
Time/Date Country
Co-ordinates
8 bytes 12 bytes 4 bytes 4 bytes 4 bytes
The UMID is applied as follows.
Source Pack
Shooting information (when,
where and who)
Same as the above
M
Metadata pack that identifies
the source of material unit by
defining the when, where
and who of the material unit
with which it is associated.
Org User
M
7-3 Extended Menu
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