[vorbis] RipTrax Update Available
dave at gasaway.org
Fri Feb 15 14:39:59 PST 2002
John Lundy wrote:
<p>> At this moment, both yes and no. I'll explain. A CD drive, when told to read
> track 5 (which is sector 12345) will position the head pretty close, but not
> exactly at sector 12345. Unlike a data CD, the positioning system for audio
> is based on timing rather than data information (I know, it's a combination
> of both, but for our discussion this works). So, due to inaccuracies in
> drive mechanics and electronics, if you tell the drive to go to sector
> 12345, a disk will actually position its heads over sector 12345 with an
> offset of 635 samples; instead of balls-on 12345 offset 0. So, with TruTrax,
> if you know the positioning error (in our example, 635 samples), you tell
> the TruTrax settings this value, tell it to use the value in the ripping
> process, and shazam; you rip the track just as it was intended to be read
> (the exact data that was writen).
So despite this offset, the drive would still read the correct number of
sectors for that track? If it does, then the output file could actually
creep into the next track (cumulatively). If it doesn't (and stops
exactly where the track ends), then gapless rips would be impossible. I
see the problem. Thanks for filling me in.
<p><p>--- >8 ----
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