Phase Distortion

Phase distortion occurs when certain harmonic parts of a wave are delayed for whatever reason, whether intentional or not intentional. This modifies the waveform by repositioning certain harmonics at different places in the phase cycle. This produces harmonic distortion and can artificially resonate certain frequencies within any given waveform. I am not familiar with asymetric phase filters so I cannot answer your question on why one would give out more phase distortion. Since phase distortion works by delaying certain harmonic content in a wave, the difference may be associated with the shape and or slope of ether filter. I am not sure thought. I will have to read up more and experiment with phase distortion some more.

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