Cataloger's Reference Shelf
MARC 21 Format for Bibliographic Data
Cataloger's Reference Shelf
MARC 21 Format for Bibliographic Data
347 Digital File Characteristics (R) (Variable Data Field)
Field definition and scope:
Field 347 contains technical specifications relating to the digital encoding of text, image, audio, video, and other types of data in a resource. This information could also be recorded in field 300 (Physical Description) $b (Other physical details).
Multiple values from the same source vocabulary may be recorded in the same field in separate occurrences of subfields. Terms from different source vocabularies are recorded in separate occurrences of the field.
Field 347 is repeatable.
Guidelines for applying content designators:
For indicator and subfield code definitions and examples, National-level (NLR) and Minimal-level (MLR) record requirements, and designator repeatability, see table below:
Position |
Description |
NLR |
MLR |
Repeatability |
Field 347 |
Digital File Characteristics |
|
|
R |
Indicator: |
|
|
|
|
First |
Undefined; contains a blank |
M |
|
|
Second |
Undefined; contains a blank |
M |
|
|
|
|
|
|
|
Subfield code: |
|
|
|
|
$a |
|
|
R |
|
$b |
|
|
R |
|
$c |
|
|
R |
|
$d |
|
|
R |
|
$e |
|
|
R |
|
$f |
|
|
R |
|
$0 |
|
|
R |
|
$1 |
|
|
R |
|
$2 |
|
|
NR |
|
$3 |
|
|
NR |
|
$6 |
|
|
NR |
|
$8 |
|
|
R |
Field 347 - Digital
File Characteristics [new,
2011]
Subfield
$f
- Transmission
speed
[renamed, 2014]
Subfield $1 - Real
World Object URI [new, 2017]
Related MARC field or document:
RDA in MARC Bibliographic Data
See also: