26-May-2016, 21:50
(26-May-2016, 20:25)NickB Wrote: I am playing Amber Rubarth in HiRes from Roon via AIR3 and my display says 192.
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Roon is not iTunes. It presumable changes sample rate to match the file.
iTunes has always used the sample rate and bit depth defined in Audio midi when it is launched. All files which are not this rate are resampled by core audio.
Bitperfect is an app that sits on iTunes and changes the audio midi settings without needing to quit iTunes. Audirvana, which I have had since the first beta release, Amarra, Pure vinyl, in fact all the others I know of, change sample rate to match the file.
In fact it is an interesting comparison to make. Core Audio is a reasonably competent sample rate converter, so one can compare a 24/192 original with a 44/16 version of itself knowing there is no difference in the mastering or level (which there often is when sold separately).
Devialet Original d'Atelier 44 Core, Job Pre/225, Goldmund PH2, Goldmund Reference/T3f /Ortofon A90, Goldmund Mimesis 36+ & Chord Blu, iMac/Air, Lynx Theta, Tune Audio Anima, Goldmund Epilog 1&2, REL Studio. Dialog, Silver Phantoms, Branch stands, copper cables (mainly).
Oxfordshire
