I ripped a CD via cdrdao that contains audio tracks that have the PRE_EMPHASIS flag set. This is visible in the resulting .toc file, e.g. ... // Track 2 TRACK AUDIO NO COPY PRE_EMPHASIS TWO_CHANNEL_AUDIO SILENCE 00:02:00 FILE "quake_v1.01.bin" #33964032 0 05:08:29 START 00:02:00 ... However converting the toc to a CUE file with toc2cue (from the cdrdao package) and the flag information is lost ... TRACK 02 AUDIO PREGAP 00:02:00 INDEX 01 03:41:09 TRACK 03 AUDIO ... (the correct syntax would be a line "FLAGS PRE")