Definition |
Technical specifications relating to the encoding of sound or the absence of sound in a resource. For information on punctuation, see the Punctuation section below. |
Guidelines |
Prefer use of a separate field for each unique term. For example, for a 33 1/3 rpm stereo audio disc: |
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| 300 |
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1 audio disc ; ǂc 12 in. |
| 344 |
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analog ǂ2 rdatr |
| 344 |
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ǂc 33 1/3 rpm |
| 344 |
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ǂg stereo ǂ2 rdacpc |
For a VHS videocassette:
| 300 |
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1 videocassette (40 min.) : ǂb sound, color ; ǂc 1/2 in. |
| 344 |
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analog ǂ2 rdatr |
| 344 |
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ǂb magnetic ǂ2 rdarm |
For a DVD:
| 300 |
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1 videodisc (118 min.) : ǂb sound, color ; ǂc 4 3/4 in. |
| 344 |
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digital ǂ2 rdatr |
| 344 |
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ǂb optical ǂ2 rdarm |
| 344 |
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ǂg surround ǂ2 rdacpc |
| 344 |
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ǂg mono ǂ2 rdacpc |
| 344 |
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ǂh Dolby Digital 2.0 |
| 344 |
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ǂh Dolby Digital 1.0 |
For 2 film reels:
| 300 |
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2 film reels (87 min.) : ǂb sound, black and white ; ǂc 16 mm |
| 344 |
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analog ǂ2 rdatr |
| 344 |
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ǂb magnetic ǂ2 rdarm |
| 344 |
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ǂe edge track ǂ2 rdatc |
| 344 |
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ǂg mono ǂ2 rdacpc |
| 344 |
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ǂh Western Electric recording |
For guidance on describing and encoding the attributes of audio carriers, see the Music Library Association's Best Practices for Music Cataloging Using RDA and MARC 21 for Chapter 3 and "Supplement 1" of the Music Library Association's Supplements to Best Practices for Music Cataloging Using RDA and MARC21. For guidance on describing and encoding the attributes of video recording carriers see OLAC Online Audiovisual Catalogers' Best Practices for Cataloging DVD-Video and Blu-Ray Discs. |
1st Indicator |
Undefined. The 1st indicator position is undefined and contains a blank.
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Undefined |
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2nd Indicator |
Undefined. The 2nd indicator position is undefined and contains a blank.
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Undefined |
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Subfields |
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| ǂa Type of recording |
The method used to encode audio content for playback (e.g., analog, digital). For a list of RDA-controlled terms, see RDA Type of Recording.
| 300 |
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1 audio disc ; ǂc 12 in. |
| 344 |
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analog ǂ2 rdatr |
| 300 |
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1 videodisc (approximately 65 min.) ; ǂc 4 3/4 in. |
| 344 |
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digital ǂ2 rdatr |
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| ǂb Recording medium |
The type of medium used to record sound on an audio carrier (e.g., magnetic, optical). For a list of RDA-controlled terms, see RDA Recording Medium.
| 300 |
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1 score (182 pages) : ǂb illustrations ; ǂc 30 cm + ǂe 1 audiocassette |
| 344 |
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ǂ3 audiocassette ǂb magnetic ǂ2 rdarm |
| 300 |
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1 videodisc (86 min.) : ǂb sound, color ; ǂc 4 3/4 in. |
| 344 |
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ǂb optical ǂ2 rdarm |
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| ǂc Playing speed |
The speed at which an audio carrier must be operated to produce the sound intended.
| 300 |
|
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7 audio discs ; ǂc 10 in. |
| 344 |
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ǂc 78 rpm |
| 300 |
|
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1 audio disc ; ǂc 12 in. |
| 344 |
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ǂc 33 1/3 rpm |
| 300 |
|
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2 audio discs (73 min.) ; ǂc 7 in. |
| 344 |
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ǂc 16 rpm |
| 300 |
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70 audiotape reels ; ǂc 5 in., 1/4 in. tape |
| 344 |
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ǂc 3 3/4 ips |
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| ǂd Groove characteristic |
The groove width of an analog disc or the groove pitch of an analog cylinder. For a list of RDA-controlled terms, see RDA Groove Pitch of an Analog Cylinder and RDA Groove Width of an Analog Disc.
| 300 |
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3 audio discs ; ǂc 10 in. |
| 344 |
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ǂd coarse groove ǂ2 rdagw |
| 300 |
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1 audio disc ; ǂc 12 in. |
| 344 |
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ǂd microgroove ǂ2 rdagw |
| 300 |
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1 audio cylinder (approximately 4 min.) : ǂb 160 rpm ; ǂc 2 1/4 x 4 in. |
| 344 |
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ǂd fine ǂ2 rdagp |
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| ǂe Track configuration |
The configuration of the audio track on a sound-track film. For a list of RDA-controlled terms, see RDA Track Configuration.
| 300 |
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1 sound-track reel (27 min., 41 sec.) ; ǂc 26 cm, 16 mm |
| 344 |
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ǂe edge track ǂ2 rdatc |
| 300 |
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2 sound-track reels (56 min.) ; ǂc 26 cm, 16 mm |
| 344 |
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ǂe centre track ǂ2 rdatc |
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| ǂf Tape configuration |
The number of tracks on an audiotape.
| 300 |
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4 audiocassettes (approximately 7 hr.) ; ǂc 3 7/8 x 2 1/2 in., 1/8 in. tape |
| 344 |
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ǂf 2 track |
| 300 |
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1 audiocassette (22 min.) ; ǂc 3 7/8 x 2 1/2 in., 1/8 in. tape |
| 344 |
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ǂf 4 track |
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| ǂg Configuration of playback channels |
The number of sound channels used to make a recording:
| Terms |
Playback channel configuration |
| mono |
Single channel for monophonic sound |
| stereo |
Two channels for stereophonic sound |
| quadraphonic |
Four channels for quadraphonic sound |
| surround |
More than four channels for surround sound |
For a list of RDA-controlled terms, see RDA Configuration of Playback Channels.
| 300 |
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1 audio disc ; ǂc 4 3/4 in. |
| 344 |
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ǂg stereo ǂ2 rdacpc |
| 300 |
|
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1 audio disc (55 min.) ; ǂc 12 in. |
| 344 |
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ǂg mono ǂ2 rdacpc |
| 300 |
|
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2 videodiscs (115 min.) : ǂb sound, color ; ǂc 4 3/4 in. |
| 344 |
|
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ǂg quadraphonic ǂ2 rdacpc |
| 300 |
|
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7 videodiscs (19 hr., 53 min.) : ǂb sound, color ; ǂc 4 3/4 in. |
| 344 |
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ǂg surround ǂ2 rdacpc |
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| ǂh Special playback characteristics |
An equalization system, noise reduction system, etc., used in making an audio recording. For a list of RDA-controlled terms, see RDA Special Playback Characteristic.
| 300 |
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1 audiocassette ; ǂc 1/2 in. |
| 344 |
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ǂh Dolby-B encoded ǂ2 rdaspc |
| 300 |
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2 videodiscs (133 min.) : ǂb sound, color ; ǂc 4 3/4 in. |
| 344 |
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ǂh Atmos Dolby True HD 5.1 |
| 344 |
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ǂh PCM 2.0 |
| 300 |
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1 videodisc (29 min.) : ǂb sound, color ; ǂc 4 3/4 in. |
| 344 |
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ǂh LPCM ǂ2 rdaspc |
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| ǂi 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.
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| ǂj 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. For a list of Library of Congress sound capture and storage terms, see Library of Congress sound capture and storage.
| 344 |
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ǂj electrical capture, digital storage ǂ0 https://id.loc.gov/vocabulary/mcapturestorage/dist
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| 344 |
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ǂj electrical capture, analog electrical storage ǂ0 https://id.loc.gov/vocabulary/mcapturestorage/aes
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| ǂ0 Authority record control number or standard number |
For information about subfield ǂ0, see Control Subfields. |
| ǂ1 Real World Object URI |
For information about subfield ǂ1, see Control Subfields. |
| ǂ2 Source |
Identification of the source of the term when it is from a controlled list. For more information about subfield ǂ2, see Control Subfields.
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| ǂ3 Materials specified |
For information about subfield ǂ3, see Control Subfields.
| 344 |
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ǂ3 audio disc ǂa digital ǂ2 rdatr |
| 344 |
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ǂ3 audio disc ǂb optical ǂ2 rdarm |
| 344 |
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ǂ3 audio disc ǂg stereo ǂ2 rdacpc |
| 344 |
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ǂ3 Blu-ray disc ǂa digital ǂ2 rdatr |
| 344 |
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ǂ3 Blu-ray disc ǂb optical ǂ2 rdarm |
| 344 |
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ǂ3 Blu-ray disc ǂg surround ǂ2 rdacpc |
| 344 |
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ǂ3 videocassette ǂa analog ǂ2 rdatr |
| 344 |
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ǂ3 videocassette ǂb magnetic ǂ2 rdarm |
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| ǂ6 Linkage |
Data that link fields when non-Latin script is entered. This subfield is system supplied and does not appear in OCLC online displays. Do not manually add subfield ǂ6. For more information about subfield ǂ6, see Control Subfields. |
| ǂ8 Field link and sequence number |
For information about subfield ǂ8, see Control Subfields. |
Punctuation |
For records containing or omitting punctuation, follow these instructions:
- Include incidental punctuation needed within any subfields, e.g., commas, periods (following abbreviations or initials), etc.
- Omit punctuation preceding each subfield unless the preceding subfield ends with an abbreviation or initial
- Omit the terminal period at the end of the field unless the last word is an abbreviation or initial
For more information on punctuation, including OCLC policy, see section 2.8, Punctuation. |
Indexing |
For indexing and searching information, see Searching WorldCat Indexes, field 344. |
MARC 21 |
For more information, including content designator history, see MARC 21 Format for Bibliographic Data, field 344. |
