...for purposes of receiving
or listening to broadcasts or reproductions from radios, tape decks,
or other sound-producing or
transmitting devices.

That's a key section. If you wear a noise cancelling headset which
covers both ears, but not for the purpose of listending to radio (etc),
then you're ok by that law.

Jose
--
Humans are pack animals. Above all things, they have a deep need to
follow something, be it a leader, a creed, or a mob. Whosoever fully
understands this holds the world in his hands.
for Email, make the obvious change in the address.