The definitive close range mike is the .
?
This is a cardioid (IIRC) with a highly sloped response that is compensated by Proximity.? The exact proximity is set by the bar that is supposed to be placed on the user's top lip.
?
The highly sloped response kills the LF ambient noise and the very close distance set by the bar does most of the rest.
?
There's other juju too.? IIRC, there is a BBC Engineering Monograph which details the design of this iconic beast.? Please post if you find a link to this document.
