HELP! * GREY=local LOCAL HTML version of Foils prepared 11 May 1997

Foil 10 RealAudio File Sizes

From Networking Basics-CPS606fall96 CPS606fall96 -- Fall Semester 96. by Nancy J. McCracken * See also color IMAGE
source: http://www.realaudio.com/
RealAudio files are time-based audio streams; they are both file compressed and audio compressed.
Audio files can be recorded at different sampling rates:
  • For 1 minute of sound,
    • .wav file sampled at 22 KHz, 16 bit 21.6 Megabytes
    • .wav file sampled at 8 KHz, 8 bit 470 Kilobytes
Encoded to RealAudio at 14.4 channel capacity 60 Kilobytes
    • 28.8 channel capacity 113 Kilobytes

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