the debug file https://pastebin.com/waBT2WSR
1. DSD 64
cat /proc/asound/card?/pcm0p/sub0/hw_params
access : RW_ INTERLEAVED
format : s24_3LE
subformat : STD
channels : 2
rate : 88200 (88200/1)
period_size : 11025
buffer_size : 44100
2. DSD128
cat /proc/asound/card?/pcm0p/sub0/hw_params
access : RW_ INTERLEAVED
format : s24_3LE
subformat : STD
channels : 2
rate : 176400 (176400/1)
period_size : 22050
buffer_size : 88200
3. DSD256
cat /proc/asound/card?/pcm0p/sub0/hw_params
access : RW_ INTERLEAVED
format : s24_3LE
subformat : STD
channels : 2
rate : 352800 (352800/1)
period_size : 43691
buffer_size : 174762
In all cases, the "Noise" for DSD files.