As long as it's is a small confined space it works. I e-mailed Bose a couple
of years ago to see if they'd ever tried it in an industrial setting. They
said it wouldn't work there because of the large area and many point sources
of noise. In small spaces, it works just fine.

mike

"Thomas Borchert" wrote in message
...
Mike,

You could probably mount a transducer on the windows, but speakers
designed for the purpose would probably work better.


The point is: How would you get the right interference at the ear
independently of ear location relative to the ANR noise source?


--
Thomas Borchert (EDDH)