Ah, that explains it! I wasn't aware that the repeating nature of Periodic Noise would sound like that to the human ear.
I unchecked "Use periodic noise for SPL calibration" in the Soundcard preferences, and it immediately switched to standard random pink noise—smooth and steady without the...
Hi everyone,
I am experiencing a specific audio artifact in REW when using the SPL meter with the Speaker Cal signal. Instead of steady pink noise, the output produces a fast-pulsing pitch modulation/flanging sound that repeats like "whee, whee, whee" at a rhythm faster than once per second...
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