Originally Posted by
1audiohack
If recall correctly Dr Geddes has interest in the phase relationship of the higher harmonics with the fundamentals? I do. This is where for instance if a diaphragm is ringing, the sound is no longer correlated with the fundamental and is just noise. This is what we see with the diamond surround drivers. The extra HF is not signal correlated, its energy seen in many frequency domain measurements is energy dispersed in the time domain.