That's certainly pretty strange behaviour, I haven't seen anything like that before. You could try the mic in another application to see how that behaves.
The video is blurred so I can't see what the input is, what driver you are using or what REW version. If you are on Windows use the Java drivers and choose the input for the UMIK that starts "EXCL".
Yes, that's because it is the unfiltered result which is used by the FSAF processing to extract the impulse response. I can add an "excfilt-" file in the next build that has the actual output data.
The residual can be played back using the system default WAV player via the button in the...
Builds updated today (beta 100) with these changes:
Changed: When older mdat files are opened all measurements will be selected on overlay graphs
Known issue: Measurement drag and drop between REW instances does not work on macOS
Fixed: Temporary selection of generated measurements could lead...
Thanks, I can reproduce that. The arithmetic result is briefly selected before selection returns where it was, but control updates in the EQ window while that is happening end up sending a value from the arithmetic result to the selected measurement. I'll fix it in the next build, in the...
"Generate measurement" meaning what? Targets are specific to measurements, changing the target on one measurement doesn't change it for others. New measurements get their target settings from the defaults in the EQ preferences.
New measurements are selected by default for the overlay windows, including All SPL. If you open an mdat file saved by V5.40 the selection status is remembered from when the file was last saved. For files saved with earlier versions that selection status defaults to not selected, but I can...