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Mac Mini M1 48khz resample

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calvin_user:
Dear All,
I am satisfied user of JRiver MC 27 on a Windows computer with a TEAC UD-501 external USB DAC.
Now I am trying to get the MC 27.0.79 (Silicon) work on my Mac mini M1, but it always sets the output to 48khz.
Can anyone please share the settings I should use so that the DAC always receives the input (Flac, SACD iso, dsf) natively? It should not be a hardware issue because if I play using TEAC HR Audio Player, the DAC is correctly showing the original sample rate.
Thank you in advance!

JimH:
It's a known problem with the machine.  Apple may fix it.  There's other discussion  of the problem on this board.

Fred1:
As soon as you use the HDMI output for your monitor, audio is fixed to 48kHz.
If you unplug your Monitor, all works well.

Either you don't connect your monitor with HDMI but with Thunderbolt or you use screen sharing.

That's the momentary state.

Awesome Donkey:
It's looking like the 48 kHz limitation when HDMI is used is likely a chipset (hardware) limitation with the M1, meaning it's probably something that can't be fixed on the software side of things by Apple with a macOS update. Hopefully the M2 chip corrects this limitation.

Ongoing topic here: https://yabb.jriver.com/interact/index.php/topic,128318.0.html

calvin_user:
I have seen the HDMI topic, but I do not use HDMI. I use one of the thunderbolts at the back for the monitor.
If the M1 chip forces the resampling to 48khz, how is it possible that with TEAC HR AUDIO PLAYER (v10014 for Mac) it is working fine? I tried it with a 96khz Flac file. I remember seeing comments saying that they use USB DAC with JRiver and it works fine. Thanks.

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