| First Indicator | Second Indicator |
|---|---|
| Undefined # - Undefined |
Undefined # - Undefined |
| Subfield Codes | |
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Technical specification 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.
$a - File type
A general type of data content encoded in a computer file.
| 347 | ##$aaudio file$2rdaft | ||||||||
| 347 | ##$bCD audio | ||||||||
$b - Encoding format
A schema, standard, etc., used to encode the digital content of a resource.
| 347 | ##$atext file$2rdaft | ||||||||
| 347 | ##$bPDF | ||||||||
| 347 | ##$avideo file$2rdaft | ||||||||
| 347 | ##$bBlu-Ray | ||||||||
$c - File size
The number of bytes in a digital file.
| 347 | ##$adata file$2rdaft | ||||||||
| 347 | ##$bXML | ||||||||
| 347 | ##$c182 KB | ||||||||
$d - Resolution
The clarity or fineness of detail in a digital image, expressed by the measurement of the image in pixels, etc.
| 347 | ##$aimage file$2rdaft | ||||||||
| 347 | ##$bJPEG | ||||||||
| 347 | ##$d3.1 megapixels | ||||||||
$e - Regional encoding
A code identifying the region of the world for which a digital file has been encoded which may prevent the file from being played on a player from a different region.
| 347 | ##$avideo file$2rdaft | ||||||||
| 347 | ##$bDVD video | ||||||||
| 347 | ##$eregion 4$2rdare | ||||||||
$f - Encoded bitrate
The speed at which streaming audio, video, etc., is designed to play.
| 347 | ##$aaudio file$2rdaft | ||||||||
| 347 | ##$bMP3 | ||||||||
| 347 | ##$f32 kbps | ||||||||
$0 - Authority record control number or standard number
See description of this subfield in Appendix A: Control Subfields.
$1 - Real World Object URI
See description of this subfield in Appendix A: Control Subfields.
$2 - Source
Identification of the source of terms when they are from a controlled list.
$3 - Materials specified
Part of the described materials to which the field applies.
$6 - Linkage
See description of this subfield in Appendix A: Control Subfields.
$8 - Field link and sequence number
See description of this subfield in Appendix A: Control Subfields.