Some microphones are so good with such a great transient response that no pliats artifacts are heard on speaking or singing voice. No lip, saliva, bad s, bad p sounds etc.
(After comments of Vicky listening to some microphones.)
The Pleatz factor is a microphone figure of merit. A subjective scale out of 10.
0 is for a mic with no pliats.
Can there be an objective correlation to the subjective annoyance factor?
Perhaps. Experience can show that some microphones with a high πλιατς factor exhibit and unnesserary unused dynamic range which may analogous to this annoying factor.
For example if while signing a VU meter (needle set on average to below red 0VU) is observed it can be seen that at sibilants a peak level overload meter will light up all too often.
This was observed for example on the following signal path:
male singing or speaking voice - mic under test - Sony TC-D5 Pro mono mode - Sennheiser HD 580
On the other hand good quality mics which have a low annoyance or pliats factor do not make the overload LED light up thereby not putting any strain on the preamplifier which would further increase the annoyance pliats factor effect.
Good quality microphones will sound louder as the average level can be increased without the signal hitting at sibilants over the headroom of the preamplifier.
Some examples of microphones with low pliats factor are SM59, MD421, ribbon microphones, printed ribbon microphones etc.
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