Record Type | ||
BIB | ||
Input Standards | ||
Field (Full/Minimal) | ||
Required if applicable/Required if applicable | ||
1st Indicator Undefined | ||
Undefined | ||
2nd Indicator Undefined | ||
Undefined | ||
Subfields (R=Repeatable NR=Nonrepeatable) | Input Standards (Full/Minimal) | |
ǂa | Type of recording (R) | Required if applicable/Required if applicable |
ǂb | Recording medium (R) | Required if applicable/Required if applicable |
ǂc | Playing speed (R) | Required if applicable/Required if applicable |
ǂd | Groove characteristic (R) | Required if applicable/Required if applicable |
ǂe | Track configuration (R) | Optional/Optional |
ǂf | Tape configuration (R) | Optional/Optional |
ǂg | Configuration of playback channels (R) | Required if applicable/Required if applicable |
ǂh | Special playback characteristics (R) | Required if applicable/Required if applicable |
ǂ0 | Authority record control number or standard number (R) | Optional/Optional |
ǂ1 | Real World Object URI (R) | Optional/Optional |
ǂ2 | Source (NR) | Required if applicable/Required if applicable |
ǂ3 | Materials specified (NR) | Optional/Optional |
ǂ6 | Linkage (NR) | System supplied/System supplied |
ǂ8 | Field link and sequence number (R) | Optional/Optional |
Definition | Technical specifications relating to the encoding 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: | |||||||||||||||||||||||||||||||||||||||
For a VHS videocassette:
For a DVD:
For 2 film reels:
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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2nd Indicator | Undefined. The 2nd indicator position is undefined and contains a blank.
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Subfields | ||||||||||||||||||||||||||||||||||||||||
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.
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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.
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ǂc Playing speed | The speed at which an audio carrier must be operated to produce the sound intended.
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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.
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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.
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ǂf Tape configuration | The number of tracks on an audiotape.
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ǂg Configuration of playback channels | The number of sound channels used to make a recording:
For a list of RDA-controlled terms, see RDA Configuration of Playback Channels.
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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.
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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.
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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 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:
For more information on punctuation, including OCLC policy, see section 2.8, Punctuation. | |||||||||||||||||||||||||||||||||||||||
Indexing | For indexing and searching information, see Searching WorldCat Indexes Freedom app. , field 344. | |||||||||||||||||||||||||||||||||||||||
MARC 21 | For more information, including content designator history, see MARC 21 Format for Bibliographic Data, field 344. |