1) You do need a volume control since otherwise the upsampling will clip some samples (on certain tracks).
2) Did you try "polyphase" filter from previous sox release? -- michael123 ------------------------------------------------------------------------ michael123's Profile: http://forums.slimdevices.com/member.php?userid=23745 View this thread: http://forums.slimdevices.com/showthread.php?t=80903 _______________________________________________ audiophiles mailing list audiophiles@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/audiophiles