Library of Congress >> MARC >> Bibliographic >> 3XX  >> 345

345 - Moving Image Characteristics (R)


MARC 21 Bibliographic - full
December 2020

First Indicator Second Indicator
Undefined
# - Undefined

Undefined
# - Undefined


Subfield Codes
  • $a - Presentation format (R)
  • $b - Projection speed (R)
  • $c - Aspect ratio value (R)
  • $d - Aspect ratio designator (R)
  • $0 - Authority record control number or standard number (R)
  • $1 - Real World Object URI (R)
  • $2 - Source (NR)
  • $3 - Materials specified (NR)
  • $6 - Linkage (NR)
  • $8 - Field link and sequence number (R)

FIELD DEFINITION AND SCOPE

Specifications relating to a moving image resource.

Multiple values from the same source vocabulary may be recorded in the same field within separate subfield occurrences. Terms from different source vocabularies are recorded in separate occurrences of the field.


GUIDELINES FOR APPLYING CONTENT DESIGNATORS

INDICATORS

SUBFIELD CODES

$a - Presentation format

The format used in the production of a moving image (e.g., Cinerama, IMAX).

345 ##$a3D$2rdapf
345 ##$b48 fps

$b - Projection speed

The speed at which a device must be operated to produce the moving image intended.

345 ##$aCinerama$2rdapf
345 ##$b24 fps

$c - Aspect ratio value

A numerical ratio of the width to the height of a moving image.

345 ##$c16:9$dwide screen

$d - Aspect ratio designator

A general description of the ratio of the width to the height of a moving image.

345 ##$dletterboxed$dmixed aspect ratio

$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.


CONTENT DESIGNATOR HISTORY

Field 345 - Projection Characteristics of Moving Image [NEW, 2011]
Field 345 - Projection Characteristics of Moving Image [RENAMED, 2020]
$c - Aspect ratio value [NEW, 2020]
$d - Aspect ratio designator [NEW, 2020]
$1 - Real World Object URI [NEW, 2017]

Library of Congress >> MARC >> Bibliographic >> 3XX  >> 345
(12/01/2020)
Contact Us