Does any one know how to setup Time Reference in REW when you are not using a physical audio card. Is there a software driver or mixer where I can set this up?
I am using the Dayton UMM-6 mic and a USB DAC as my audio devices.
Maybe John or someone better qualified will chime in, but my understanding is it requires a loopback in order to have a timing reference, and it can’t be done with USB devices.
It should be possible to create a pseudo-loopback using a PC's headphone output and mic or line input with the right cable and settings, should allow accurate RELATIVE timing measurements but no ABSOLUTE timing reference. This could be useful for matching reflection path lengths, etc, where the absolute accuracy does not matter. Have not tried it yet, might take a special cable/adapter combo.
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