I tried enclosing it in a 3' long 3" tube (on the ground). Didn't seem

to lessen the

volume, just changed it to a much lower note.

Finn,

Mike Wills wrote:

  Should have commented on this also. I'm wondering what sort of headset
you use? Do you use an ANR headset of some type? Presumably eliminating the
higher freqs would be very beneficial if you use an ANR headset since the
ANR tends to work best on the lower freqs. So seems to me that adding the
outer tube in combo with ANR may be pretty effective (I hope).

Mike Wills

No ANR headset.

I found a real simple spectrum analyzer at
http://www.synthesoft.com/cdspro/cdspro.htm

Ran the before and after sound recordings and it did lower the volume a bit and
also  lowered the upper frequencies a bit.

Need to run some more tests though.

Finn

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