[Dick Pierce[_2_]]

Mark wrote:
--
Rich

You cannot just stick a microphone and invert the signal and hope it
will cancel noise. You need to match the amplitudes at different
frequencies and this requires an adaptive filter.

hardy


oh really?

Really.

are you sure?

Yes. So are a number of professional, experienced
practitioners in the field of active noise cancellation.

have you tried it?

Yes. So have a number of professional, experienced
practitioners in the field of active noise cancellation.

Have you? Are you professional, experienced practitioner
in the field of active noise cancellation? If so, and if
you are claiming something to the contrary, please present
it so that the other professional, experienced practitioners
can evaluate your claims.

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+--------------------------------+
+ Dick Pierce |
+ Professional Audio Development |
+--------------------------------+