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Yes yes... The REW timing reference sweep is exactly way I am looking for with AudiolenseI know with REW you can record a timed reference sweep and load it into your Roon library. Then when you start the measure it will wait on you to play that recorded sweep thru Roon and start recording the sweep based on the timing reference. I'm not sure if Audiolense can do this or not, but it might be a nice feature for Bernt to add at some point.
However... he may have a way to measure the sweep via wifi... but I'm not that familiar with it at this point. Thankfully my SHD has a USB port to send the sweep signal thru.
Good idea. Might be something makes Roon as virtual sound on my laptop when I install both Audiolense and Roon on it.Roon, or Lumin X1, should be able to act as a soundcard for Audiolense, otherwise I don't believe it is possible.
Yep. It seems I have to get an extra USB DAC for ALI use a Bel Canto streamer that also has no USB input. For AL, I used an inexpensive 2-channel USB DAC specified by Mitch Barnett (@Mitchco) to measure. Then, I applied those filters in Roon for the Bel Canto streamer and it worked great. Another way to solve your issue. JCR
Thanks. With the same filter in Roon but 2 different DACs I can still recognize that 2 DAC gave different sounds and emphasized to different frequency ranges. That is why I prefer doing the filter for each specific DAC.Cool. When I'm building filters for digital room correction, I tend to not get too hung up on which DAC plays the sweeps. Amplitude and timing variations from DAC to DAC are infinitesimal compared to room modes and phase variation from passive crossover networks.
For example, my main DAC is the NEO iDSD from iFi Audio; however, I use my Focusrite Scarlett 2i2 to play and record the sweeps. Once I have built and uploaded the filters to Roon's convolution engine, I use saved sweep files to check my work via the DAC of my choice. End-to-end measured results correlate pretty much perfectly to the predicted results, even for step response.