andy b Wrote: > I'm sorry but you fundamentally misunderstand CRC. Please check this > link: > > http://www2.rad.com/networks/1994/err_con/crc.htm That link describes how one can use CRC as an error detection algorithm. Maybe you are missing the point that it is only when you embed the checksum in the data stream can that it be used for error detection.
However, an audio CD does *not* embed a checksum of the audio data. This is why you would have to get the checksum from the manufacturer of the CD. > > Again, this is totally wrong. With CRC, you know *immediately* if a > stream you're reading has errors. At the risk of repeating myself, the audio output stream has no embedded CRC. An audio CD uses CIRC (not CRC) internally, which is essentially a checksum used for error detection and correction. This is the key point. The firmware inside the CDROM will know about the error, but it doesn't necessarily tell you about it. > > how do you know that WMP10 doesn't do it? I am repeating myself again: Because different ripping programs produce files with different checksums. I trust EAC more than the others, because the AccurateRip plugin tells me that other people have the same checksum. -- clumsyoik ------------------------------------------------------------------------ clumsyoik's Profile: http://forums.slimdevices.com/member.php?userid=1997 View this thread: http://forums.slimdevices.com/showthread.php?t=16867 _______________________________________________ ripping mailing list [email protected] http://lists.slimdevices.com/lists/listinfo/ripping
