@willemj, I cannot answer your bit perfect question above and am hoping the links below provide you the required info.
https://www.stereophile.com/content/bit-perfect-does-it-matter-1
https://www.computeraudiophile.com/ca/bits-and-bytes/Fun-With-Digital-Audio-–-Bit-Perfect-Audibilit
http://www.mojo-audio.com/blog/computer-audio-misconceptions
https://www.stereophile.com/content/bit-perfect-does-it-matter-1
https://www.computeraudiophile.com/ca/bits-and-bytes/Fun-With-Digital-Audio-–-Bit-Perfect-Audibilit
http://www.mojo-audio.com/blog/computer-audio-misconceptions