Re: Baseline Soundscapes - Best Practices?

["Eric Benjamin" ericbenjamin2]

jtudor2005  wrote:

>What's the best (easiest) way to calibrate a Sound Devices recorder and Sc=
hoeps
>mic rig?

If the microphones are omnis then it's easy to calibrate them with a sound=

calibrator made for calibrating sound level meters.=A0 These are mostly exp=
ensive
devices used by acousticians, but there are some that are relatively
inexpensive.=A0 For example, this one from MCM electronics:
http://www.mcmelectronics.com/product/72-8530

But that won't work if the microphones are directional.=A0 In the case of
directional microphones an iPod and a small portable loudspeaker could be u=
sed.=A0
One would then have to calibrate the loudspeaker using a small sound level =
meter
at the same position as the microphone array.=A0 If the calibration can be=

performed beforehand then that method is not too difficult.=A0 For my recor=
ding
expeditions, which use three or more microphones, I always have to calibrat=
e in
situ.