Julf wrote: > Not sure about the "violates nyquist" part - it is, as you say, a > well-known issue, and the simple solution is to have sufficient headroom > in analog stages or in any DSP operations where the wave data is > recalculated. > > One of the actual benefits of the "Mastered for iTunes" standard is that > it tests for intersample peak clipping.
So easilly solved not really a problem if the recording is properly done , the more interesting part i think is that it can be more benign in the studio and then turn out quite horrible for the consumer or unexpected effects for radio stations and streamers . THe autors of these papaers wonder if some sound engineers actually hear the full extent of their damage . Apple also provides software tools so that the master engineer can scan for intersample peaks and also listen after typical iTunes encoding , supose any halfwitted engineer already have similar tools anyway ,but they are concerned enough to offer them to anyone planning on delivering a master ! And they also want 24 bit files . That is interesting as others quietly emulate this , the streaming services and thier aggregators starts to amass masters of slightly better quality at some minimum standard . I also wonder if lossy decoding actually gets better if it start from a 24/96 master ? (but now I left my own topic ) -------------------------------------------------------------------- Main hifi: Touch + CIA PS +MeridianG68J MeridianHD621 MeridianG98DH 2 x MeridianDSP5200 MeridianDSP5200HC 2 xMeridianDSP3100 +Rel Stadium 3 sub. Bedroom/Office: Boom Kitchen: Touch + powered Fostex PM0.4 Misc use: Radio (with battery) iPad1 with iPengHD & SqueezePad (in storage SB3, reciever ,controller ) server HP proliant micro server N36L with ClearOS Linux http://people.xiph.org/~xiphmont/demo/neil-young.html ------------------------------------------------------------------------ Mnyb's Profile: http://forums.slimdevices.com/member.php?userid=4143 View this thread: http://forums.slimdevices.com/showthread.php?t=102378 _______________________________________________ audiophiles mailing list audiophiles@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/audiophiles
