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Re: A question about dynamic and condenser microphones and maths

Scott Dorsey <klu...@panix.com>

TJ Hertz <tjhe...@gmail-HOLDTHESPAM.com> wrote:
>Hey. This might be a stupid question, but here goes.

>A dynamic microphone's output, in voltage, is proportional to dx/dt (where x
>is diaphragm displacement), right? And a condenser's output is proportional
>to x, right?

>So in theory (disregarding, for the moment, differences in capsules,
>components, sensitivity, etc), if you differentiated the signal from a
>condenser in terms of t, you'd get a dynamic-like signal, and if you
>integrated the signal from a dynamic mic in terms of t, you'd get a
>condenser-like signal, right?

Yes.

>In some applications, a condenser might sound better but a dynamic might be
>more practical due to high SPL or the risk of damaging an expensive
>condenser etc. Has anyone ever tried to design a plugin that could integrate
>or differentiate a sound file's signal (numerically, obviously, not
>analytically)? Maybe even in realtime?

That's more or less what a high-pass filter does.
--scott

--
"C'est un Nagra.  C'est suisse, et tres, tres precis."