SOUND RECORDING -- LP
sd_b*m*nnmpln* [default values in black]
00 Category of material s sound recording
01 Specific material designation d sound disc
02 Original⁄reproduction aspect [OBSOLETE, leave blank or accepts defaults]
03 Speed b 33 1⁄3 rpm phonodisc
04 Configuration of playback channels
m mono
q quadrophonic
s stereo
u unknown
05 Grove width⁄groove pitch m microgrove (phonodisc)
06 Dimensions
d 10 in. (phonodisc)
e 12 in. (standard phonodisc)
07 Tape width n not applicable
08 Tape configuration n not applicable
09 Kind of disk, cylinder, or tape m mass produced
10 Kind of material p plastic
11 Kind of cutting l lateral or combined cutting (modern discs)
12 Special playback characteristics n not applicable
13 Capture technique
b direct-to-disc
d digital (LP says digital recording)
e analog storage (ca. late 1940s-early 1980s)
u unknown
Locally assigned call number format PHONODISC ####
Sample 300 tag:
‡a 1 sound disc : ‡b 33 1⁄3 rpm, stereo. ; ‡c 12 in.