opaqueice Wrote: > > > Another point is that without redundancy (which by the way for CDs is > 33% - one error checking byte for every three data bytes), it would be > difficult to know if there had been an error at all - that's part of > the purpose.
Well - not really - they could use a large CRC checksum method instead...(like PKZIP etc) To CliveB - yes it was a CD picked at random from about 2.5k of discs dating between 1985 and yesterday. I had about 8 bronzed discs and 3-4 semi-bronzed (readable with audible interpolation errors - repeated "clicking" or fuzzyness etc...) Also, some "copy-protected" discs with many C2 read errors and and the odd disc where one or two tracks had c2 errors but otherwise fine... Generally I replaced all discs that had EAC read errors that I could definitely hear. Have you guys sussed out the "validity bit" in the SPDIF stream yet? This is what DED uses to determine that read errors are actually occurring (allegedly). I believe that CIRC substitutes the correct bit, whereas interpolation may or may not be the correct bit (and after that we're into muting/clicking). -- Phil Leigh ------------------------------------------------------------------------ Phil Leigh's Profile: http://forums.slimdevices.com/member.php?userid=85 View this thread: http://forums.slimdevices.com/showthread.php?t=24957 _______________________________________________ audiophiles mailing list audiophiles@lists.slimdevices.com http://lists.slimdevices.com/lists/listinfo/audiophiles
