|First Indicator||Second Indicator|
# - Undefined
# - Undefined
Technical specifications relating to the encoding of sound in a resource.
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.
$a - Type of recording
The method used to encode audio content for playback (e.g., analog, digital).
|344||##$aanalog$c33 1/3 rpm$gstereo|
$b - Recording medium
The type of medium used to record sound on an audio carrier (e.g., magnetic, optical).
|344||##$adigital$boptical$gsurround$hDolby Digital 5.1$2rda|
$c - Playing speed
The speed at which an audio carrier must be operated to produce the sound intended.
$d - Groove characteristic
The groove width of an analog disc or the groove pitch of an analog cylinder.
$e - Track configuration
The configuration of the audio track on a sound-track film.
$f - Tape configuration
The number of tracks on an audiotape.
$g - Configuration of playback channels
The number of sound channels used to make a recording (e.g., one channel for a monophonic recording, two channels for a stereophonic recording).
$h - Special playback characteristics
An equalization system, noise reduction system, etc., used in making an audio recording.
$0 - Authority record control number or standard number
$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
$8 - Field link and sequence number