I was using Logic's Correlation Meter to debug some Mela modules for stereo issues, and then I realised it would be useful to have a dedicated module in Mela that can do the same.
Build 335:
  • The module helps you visualise the correlation between the left and right channels of the audio signal passing through it.
  • Generally, keeping signals above 0 is best. A 0 value represents an extremely wide stereo image.
  • When the indicator is closer to +1, the channels are highly correlated with little side content.
  • If it gets closer to -1, the channels are out of phase, leading to most of the signal cancelling out when summed to mono.
  • Correlation is part of Collection 3.
Video Demo