Hello Maurice,

  MK> Depends on the frames/sec and the audio.  For a really
    > high quality mpeg2 your looking at roughly 4G/hour
    > whether streamed or archived to disk.

That will work for my application.

  MK> Purely audio DVD's would be quite a bit less and the
    > quality would be maintained, possibly better then a
    > music CD given the format.

At 44 kHz I make it 86 Kbytes per second for mono, 16-bit audio.  Stereo
would be 172 Kbytes.  A 4.7 Gb disk should store over 7 hours of raw
uncompressed stereo, and that's without resorting to things like MP3.  48
kHz would be similarly practical.

- Andy Ball

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