Character position definition and scope:

A one-character alphabetic code indicates the specific material designation of a sound recording.  The specific material designation describes the special class of material (usually the class of physical object) to which an item belongs, for example, a cylinder.  A fill character ( | ) is used when no attempt has been made to code this position.

Record requirements for National-level records:  Mandatory; for Minimal-level records:  Optional.

Guidelines for applying content designators:

Code:

Description:

d

Sound disc

e

Cylinder

g

Sound cartridge

i

Sound-track film

q

Roll

r

Remote

s

Sound cassette

t

Sound-tape reel

u

Unspecified

w

Wire recording

z

Other  A sound recording for which none of the other defined codes is appropriate.

|

No attempt to code

Content designator history:

Character position 00 (Form of release) became 01 (Specific material designation) when field 007 was restructured in 1981.

cCylinder  [obsolete]

fSound-track film  [obsolete]

rRoll  [obsolete]

Prior to 1981, these characteristics were identified by codes c, f, and r, respectively.  In 1981, the codes were changed to e, i, and q, respectively.

rRemote  [new, 2016]

To return, select:

007:  Sound recording

007  Physical Description Fixed Field