Definition |
Technical specifications relating to a moving image resource. For information on punctuation, see the Punctuation section below. |
Guidelines |
Prefer use of a separate field for each unique term. For instance, a wide screen video: |
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| 300 |
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1 videodisc (104 min.) : ǂb sound, color ; ǂc 4 3/4 in. |
| 345 |
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ǂc 2.00:1 |
| 345 |
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ǂd wide screen ǂ2 rdaar |
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 Presentation format |
The format used in the production of a projected image (e.g., Cinerama, IMAX). For a list of RDA-controlled terms, see RDA Presentation Format. RDA 3.17, Projection Characteristic of Motion Picture Film, is explicitly limited to technical specifications relating to the projection of actual motion picture film. Presentation format is treated in RDA 3.17.2 and recorded here in subfield ǂa. This subfield is not to be used for any video format. Do not confuse presentation format with aspect ratio, which is treated in RDA 7.19. Numerical aspect ratios are recorded in field 345 subfield ǂc. Verbal aspect ratio designators are recorded in field 345 subfield ǂd.
| 300 |
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1 film reel (approximately 17 min.) : ǂb sound, color ; ǂc 16 mm |
| 345 |
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3D ǂ2 rdapf |
| 300 |
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1 film reel (25 min.) : ǂb sound, color ; ǂc 65 mm |
| 345 |
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IMAX ǂ2 rdapf |
| 300 |
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13 film reels (approximately 129 min.) : ǂb sound, color ; ǂc 35 mm |
| 345 |
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Panavision ǂ2 rdapf |
| 300 |
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1 film reel (69 min.) : ǂb sound, black and white ; ǂc 35 mm |
| 345 |
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standard sound aperture ǂ2 rdapf |
| 300 |
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9 film reels (86 min.) : ǂb sound, color ; ǂc 35 mm |
| 345 |
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Techniscope ǂ2 rdapf |
| 300 |
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1 film reel (11 min.) : ǂb silent, black and white ; ǂc 35 mm |
| 345 |
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standard silent aperture ǂ2 rdapf |
| 300 |
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11 film reels (94 min.) : ǂb sound, color ; ǂc 35 mm |
| 345 |
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Cinemascope ǂ2 rdapf |
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| ǂb Projection speed |
The speed at which a projection device must be operated to produce the moving image intended. RDA 3.17, Projection Characteristic of Motion Picture Film, is explicitly limited to technical specifications relating to the projection of actual motion picture film. Projection speed is treated in RDA 3.17.3 and recorded here in subfield ǂb. This subfield is not to be used for any video format.
| 300 |
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1 film reel (5 min., 3 sec.) : ǂb silent, black and white ; ǂc 35 mm |
| 345 |
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ǂb 24 fps |
| 300 |
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1 film reel (1 min., 28 sec.) : ǂb silent, black and white ; ǂc 35 mm |
| 345 |
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ǂb 16 fps |
| 300 |
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2 film reels (84 min.) : ǂb silent, black and white ; ǂc 16 mm |
| 345 |
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ǂb 20 fps |
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| ǂc Aspect ratio value |
A numerical ratio of the width to the height of a moving image. This subfield may be used for all moving image media including film, video, and online resources.
| 300 |
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6 videodiscs : ǂb digital, sound, color ; ǂc 4 3/4 cm |
| 345 |
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ǂc 16:9 |
| 345 |
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ǂd wide screen ǂ2 rdaar |
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| ǂd Aspect ratio designator |
A general description of the ratio of the width to the height of a moving image. This subfield may be used for all moving image media including film, video, and online resources. For a list of RDA-controlled terms, see RDA Aspect Ratio Designation.
| 300 |
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1 videodisc (approximately 85 min.) : ǂb sound, color ; ǂc 4 3/4 in. |
| 345 |
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ǂd letterboxed |
| 300 |
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3 videodiscs (approximately 8 hr., 35 min.) : ǂb sound, color ; ǂc 4 3/4 in. |
| 345 |
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ǂd mixed aspect ratio ǂ2 rdaar |
| 300 |
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1 videocassette (49 min.) : ǂb sound, color ; ǂc 1/2 in. |
| 345 |
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ǂd full screen ǂ2 rdaar |
| 300 |
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1 videodisc (80 min.) : ǂb sound, color ; ǂc 4 3/4 in. |
| 345 |
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ǂd wide screen ǂ2 rdaar |
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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.
| 300 |
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1 film reel (approximately 25 min.) : ǂb sound, black and white ; ǂc 16 mm |
| 345 |
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standard sound aperture ǂ2 rdapf |
| 345 |
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ǂb 24 fps |
| 300 |
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1 videodisc (77 min.) : ǂb sound, color ; ǂc 4 3/4 in. |
| 345 |
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ǂc 16:9 |
| 345 |
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ǂd wide screen ǂ2 rdaar |
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| ǂ3 Materials specified |
For information about subfield ǂ3, see Control Subfields.
| 300 |
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1 film reel (8 min.) : ǂb sound, color ; ǂc 16 mm |
| 345 |
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ǂ3 Polyester print ǂb 24 fps |
| 300 |
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2 videodiscs (5 hr., 13 min.) : ǂb sound, color ; ǂc 4 3/4 in. |
| 345 |
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ǂ3 An American Tail/Fievel goes west ǂc 1.85:1 |
| 345 |
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ǂ3 An American Tail/Fievel goes west ǂd wide screen ǂ2 rdaar |
| 345 |
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ǂ3 The treasure of Manhattan Island/The mystery of the night monster ǂc 1.33:1 |
| 345 |
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ǂ3 The treasure of Manhattan Island/The mystery of the night monster ǂd full screen ǂ2 rdaar |
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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 345. |
MARC 21 |
For more information, including content designator history, see MARC 21 Format for Bibliographic Data, field 345. |
