FileFormat.info: RealAudio Format

Technical file structure and specification details for the RealAudio file format.

Home to the video player and downloader, RealPlayer from RealNetworks

Welcome to the home of RealPlayer®, a media player app by RealNetworks®. Features include a video downloader, audio recording, and CD ripping. Official Site.

Internet Archive: Real Audio Collection

Archival repository of historical audio files encoded in Real Audio streaming format.

Library of Congress: RealAudio Format Description

Comprehensive technical assessment and preservation guidelines for Real Audio (.ra, .rm) streaming audio formats.

RealNetworks

Historical developer resources and documentation for Real Audio streaming formats and codecs.