Focus Fidelity Filter Designer

[Focus Fidelity]

Hi,

I haven't used HQ Player myself but have customers using it to apply the room correction filters with excellent results.

I do use Roon's upsampling feature in combination with Roon applying the correction filters, so the signal path looks like,
   

I'm not recommending Roon instead of HQ Player as I don't have experience with both.
Using the PC platform for upsampling makes sense just as it does for applying room correction filters as there is so much CPU power available.

Kind regards,
David