adamdea wrote: > In the meantime I've just noticed this post on HA (I think Wombat > participated in the thread) which very neatly shows the two effects of a > steep filter namely pre-ringing and pre-echo (and post for each too). > The middle row (impulse) just shows ringing (the blurry horizontal line > showing spuriae in the transition band). This can also be seen in the > top row (castanets) The bottom row (tone sweep) shows this again with > also pre- and post echoes being the diagonal purple lines. I'm not quite > sure why the impulse (middle row) and casanets do not show pre and post > echo though. > > http://www.hydrogenaud.io/forums/index.php?s=&showtopic=93588&view=findpost&p=895337
Did the image get fixed? I'm seeing the pre and post-echo as it should with the steep linear phase filter in the thread after applying the 20kHz filter (2nd column)... Archimago's Musings: (archimago.blogspot.com) A 'more objective' audiophile blog. ------------------------------------------------------------------------ Archimago's Profile: http://forums.slimdevices.com/member.php?userid=2207 View this thread: http://forums.slimdevices.com/showthread.php?t=103537 _______________________________________________ audiophiles mailing list [email protected] http://lists.slimdevices.com/mailman/listinfo/audiophiles
