Sustainability of Digital Formats
Planning for Library of Congress Collections
Sustainability of Digital Formats
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| Introduction | Sustainability Factors | Content Categories | Format Descriptions | Contact | |
| Full name | RealAudio, Version 10, Lossless Codec |
| Description | Recommended by RealMedia for use by "professional and archiving services" and states that compression provided will generally cut file sizes in half. |
| Production phase | Generally a middle-state format, suitable for use in asset management and archiving. |
| Relationship to other formats | |
| Subtype of | RealAudio_10 |
| Contains | RealAudio lossless codec, not separately documented |
| LC experience or existing holdings | See RealAudio_10 |
| LC preference | See RealAudio_10 |
| Disclosure | See RealAudio_10 |
| Documentation | See RealAudio_10 |
| Adoption | See RealAudio_10 |
| Licensing and patent claims | See RealAudio_10 |
| Transparency | See RealAudio_10 |
| Self-documentation | See RealAudio_10 |
| External dependencies | See RealAudio_10 |
| Technical protection considerations | See RealAudio_10 |
| Normal rendering | Good support. |
| Fidelity (support for high audio resolution) | Excellent, although the application may be limited to CD-quality source material [?] (44.1 kHz sampling, 16-bit words). |
| Support for multiple channels | See RealAudio_10 |
| Support for downloadable or user-defined sounds, samples, and patches | Not applicable |
| Functionality beyond normal video rendering | See RealAudio_10 |
| Tag type | Value | Note |
| Filename Extension | ra | |
| Internet Media Type | See RealAudio_10 | |
| Magic numbers | See RealAudio_10 |
| General | |
| History |
URLs
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URLs
• See RealAudio_10
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