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| Definition | Byte | Subfield | Code |
|---|---|---|---|
| Category of material | 00 | a | c = electronic resource |
| Material designation | 01 | b | o j = optical discmagnetic disk |
| Undefined | 02 | ||
| Color | 03 | d | b = black & white c = multicolored |
| Dimensions | 04 | e | g a = 4 33 1/2 in. o = 5 1/4 in. z = other |
| Sound | 05 | f | a = sound |
| Image bit depth | 06-08 | g | |
| File formats | 09 | h | |
| Quality assurance | 10 | i | |
| Antecedent/source | 11 | j | |
| Level of compression | 12 | k | |
| Reformatting quality | 13 | l |
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