Max2Play Home 2016 (en) › Forums › General Questions on Hardware and Max2Play Versions › Sample rate problems with USB M2Tech HiFace DAC and maybe others
Tagged: USB DAC
Disclaimer: This post is not intended as a question but as a hint for others. I haven’t found a better place to post then here.
today I stumbled over the sampling rates of my USB-DAC M2Tech HiFace DAC: It was limited to 44,1 or either 48 kHz as shown by „cat /proc/asound/card1/pcm0p/sub0/hw_params“ even while playing hires audio files. The DAC is capable of 384 kHz…
After fiddling with several options it turned to be the selection of the output for squeezelite. The HiFace DAC has as relvant options: Default, sysdefault and front. Using the former two leaves the effective sampling at max 48 kHz. Only with front I get:
[email protected]:/opt/max2play# cat /proc/asound/card1/pcm0p/sub0/hw_params
rate: 192000 (192000/1)
I suppose other USB DACs may be harmed in this way also.
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