--- Barb Beck <> wrote:
> I am the one who suggested he look into a parabola. He is going to
> be
> trying to record in extremely noisy environments - compressor
> stations and
> you really do not want to know how awful they are. I have one on a
> BBS route
> and literally it bothers my detection of birds from several stops
> away and
> at the stop which is about 300 feet from the thing there is no hope
> hearing
> anything.
Unfortunately, Low frequency sounds will not be attenuated by a
parabolic mic. They will pick up low frequency sounds in an omni
pattern, becoming increasingly directional as frequency increases.
>
> He is going to have a heck of a time cleaning up what he gets well
> enough to
> analyze the song reasonably - at least it looks that way from my
> point of
> view. If the parabola can cut down a little on the noise AND focus
> the
> sound somewhat to bring in some amplification it will be a big plus.
>
> Barb Beck
> Edmonton, Alberta, Canada
Fortunately, parabolic mics can provide significant high frequency
gain. If you want to record higher frequency sounds, the parabolic
will help.
Unlike non reflector directional mic types, such as the shotgun,
reflector mics such as the parabolic will provide acoustic gain for
higher frequency sounds. The parabolic mic gain increases at a rate of
6db per octave.
bret
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