Character position definition and scope:

A one-character alphabetic code indicates whether the sound is on the item or separate from the item (i.e., on the accompanying material).  A fill character ( | ) is used when no attempt has been made to code this position.

Record requirements for National-level and Minimal-level records:  Optional.

Guidelines for applying content designators:

Code:

Description:

#

No sound (silent)  Sound is not present, i.e., the item is intended to be silent.

a

Sound on medium  Sound is on the item, whether or not visual images are included.

b

Sound separate from medium  Sound is on a separate medium, designed to accompany the images.

u

Unknown  Presence or absence of sound on the item is not known.

|

No attempt to code

Content designator history:

Character position 03 (Sound on medium or separate) was moved to position 05 when field 007 was restructured in 1981.

To return, select:

007:  Videorecording

007  Physical Description Fixed Field