We had this in another thread already. At Steve Hoffmans forums you can read a lot fuzzy statements, so don´t give that to much weight. The other thread shows exctly the misleading pics i mentioned before. Make these pics spectral and you´ll see all this post and pre stuff happens well above 20kHz if done correctly. Even the aliasing back can be above 20kHz, no problem. No one can really hear if the noise above 20Khz is music or aliasiad garbage. You may try to create a file with no content below 20kHz and abx it, good luck!! :) Also these apodizing and minimum or intermediate phase as far as i tested them clearly alter frequencies below 20kHz and may be audible just because of that. You won´t see that on that funny impulse pic. Also imagine the studio engineer already did the downsampling with some minimun filter and now you apply one again? In theory you must fiddle with a setting for every single recording. One other thing is that if all the junk above 20kHz changes the way your audio equipment sounds it is time to wonder.
-- Wombat Transporter (modded) -> RG142 -> Avantgarde Acoustic based 500VA monoblocks -> Sommer SPK240 -> self-made speakers ------------------------------------------------------------------------ Wombat's Profile: http://forums.slimdevices.com/member.php?userid=4113 View this thread: http://forums.slimdevices.com/showthread.php?t=93483
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