"Mono signal detected"
If you get a "Mono signal detected" error message during the measuring process, please verify the signal flow. This error message should not be dismissed even if everything appears to be correct. The software can detect even the slight channel bleed, therefore, it's drawing your attention to a detected problem.
Troubleshooting steps
The "Mono signal detected" error can occur even if panning is slightly off, causing one speaker channel to feed into the other. This issue may arise from settings in your interface control software (such as an enhanced Stereo mode) or physical switch adjustments on your interface or other hardware. These adjustments might be hidden in your settings, even if the stereo sound seems correct. Other things worth checking:
- (XLR) cables. Test for signal and/or replace them.
- Flat surfaces (screen, window, desk, etc.) can make the audio bounce, which may 'confuse' the microphone. Try moving the speakers away from difficult surfaces.
- Subwoofer. When measuring with a subwoofer, make sure that the input/output are not defected/broken.
If an issue persists, it may be worth consulting our Stereo speaker measurement troubleshooting guide or reaching out to support below.
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