| First Indicator | Second Indicator |
|---|---|
| Undefined # - Undefined |
Undefined # - Undefined |
| Subfield Codes | |
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Specifications relating to the encoding of sound or the absence 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$2rdatr | ||||||||
| 344 | ##$c33 1/3 rpm | ||||||||
| 344 | ##$gstereo$2rdacpc | ||||||||
$b - Recording medium
The type of medium used to record sound on an audio carrier (e.g., magnetic, optical).
| 344 | ##$adigital$2rdatr | ||||||||
| 344 | ##$boptical$2rdarm | ||||||||
| 344 | ##$gsurround$2rdacpc | ||||||||
| 344 | ##$hDolby Digital 5.1 | ||||||||
$c - Playing speed
The speed at which an audio carrier must be operated to produce the sound intended.
| 344 | ##$aanalog$2rdatr | ||||||||
| 344 | ##$c78 rpm | ||||||||
$d - Groove characteristic
The groove width of an analog disc or the groove pitch of an analog cylinder.
| 344 | ##$aanalog$2rdatr | ||||||||
| 344 | ##$dcoarse groove$2rdagw | ||||||||
$e - Track configuration
The configuration of the audio track on a sound-track film.
| 344 | ##$aanalog$2rdatr | ||||||||
| 344 | ##$eedge track$2rdatc | ||||||||
$f - Tape configuration
The number of tracks on an audiotape.
| 344 | ##$aanalog$2rdatr | ||||||||
| 344 | ##$f12 track | ||||||||
$g - Configuration of playback channels
The number of sound channels used to make a recording (e.g., one channel for a monophonic recording, two channels for a stereophonic recording).
| 344 | ##$adigital$2rdatr | ||||||||
| 344 | ##$gstereo$2rdacpc | ||||||||
$h - Special playback characteristics
An equalization system, noise reduction system, etc., used in making an audio recording.
| 344 | ##$aanalog$2rdatr | ||||||||
| 344 | ##$hDolby-B encoded$2rdaspc | ||||||||
$i - Sound content
Indication of the presence or absence of sound in a resource. Usually used for projected graphic resources, moving image resources, and their electronic equivalents.
| 344 | ##$isound$0http://id.loc.gov/vocabulary/msoundcontent/sound | ||||||||
| 344 | ##$isilent$0http://rdaregistry.info/termList/soundCont/1002$2rdasco | ||||||||
$j - Original capture and storage technique
How the sound was originally captured and stored. Sound recordings should be coded for the original capture and storage techniques, regardless of the physical format of the manifestation being cataloged or whether the sound content of the manifestation being cataloged has been enhanced using other techniques.
| 344 | ##$jElectrical capture, digital storage$0https://id.loc.gov/vocabulary/mcapturestorage/dist | ||||||||
| 344 | ##$jElectrical capture, analog electrical storage$0https://id.loc.gov/vocabulary/mcapturestorage/aes | ||||||||
$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.