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RealAudio, Multichannel Codec
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Format Description Properties
• ID: fdd000058
• Short name: RealAudio_MC
• Content categories: sound
• Format category: bitstream encoding, file format
• Last significant update: 2004-05-03
Identification and description 
| Full name | RealAudio, Version 10, Multichannel Codec |
| Description | RealMedia promotional literature states "targeted toward . . . home theater and multichannel entertainment systems." |
| Production phase | Generally a final-state (end-user delivery) format. |
| Relationship to other formats | |
| Subtype of | RealAudio_10 |
| Contains | RealAudio multichannel codec, not separately documented |
Local use
Sustainability factors
Quality and functionality factors (sound)
| Normal rendering | Good support. |
| Fidelity (support for high audio resolution) | Moderate, depending upon the degree of compression. |
| Support for multiple channels | For 5.1 channel audio; RealAudio literature states "left, right, left-surround, right-surround, front center, and low frequency woofer." |
| Support for downloadable or user-defined sounds, samples, and patches | Not applicable |
| Functionality beyond normal video rendering | See RealAudio_10 |
File type signifiers
| Tag type | Value | Note |
| Filename Extension | ra | Note that streaming applications require an associated ram (RealMedia Metafile) file. |
| Internet Media Type | See RealAudio_10 | |
| Magic numbers | See RealAudio_10 | |
Notes
Format specifications
URLs
Print
Useful references
URLs
See RealAudio_10
Print
Last Updated: Wednesday, 07-Mar-2007 12:40:18 EST
