about microphones and henns and eggs

[Martin Czech]

:::I think the real baseline calibrations for acoustics measurements are done
:::with pistonphones - they are only good for one frequency, but since the
:::piston displacement is pretty much absolute, its output at frequency is
:::guaranteed.

Ah, a mechanical standard. I thought that may be "organ" pipes
could do the job, too. But piston sounds good.
Now, I think I'll buy a ECM8000 mike, and then let it measure somewhere,
or compare it with a calibrated mike. That way I should have a calibrated
mike.


Anyway, thanx for your help.

m.c.