3. Re: file types

["umashankar" umashanks]

actually, one of those things never mentioned in discussions of audio bandw=
idth is air absorption. even if the mic could pick up 40 khz, and the sourc=
e was radiationg 40 khz, it would be absorbed much more than a signal at 4 =
khz.=C2=A0air (especially humid air) is a very good low pass filter! and na=
ture recordists rarely record very close sources

umashankar
=C2=A0i have published my poems. you can read (or buy) at http://stores.lul=
u.com/umashankar