On Sat, 28 Jan 2017 21:27:59 -0500, "J. Clarke"
wrote:

In article 12iq8c55slnivedgg69jjakin8g14s3fkp@
4ax.com, says...

On Sat, 28 Jan 2017 13:55:23 -0800, Electric Comet
wrote:


i guess that shop noise from machines is mostly white noise

but with compute power as it is i wonder if it is possible
to sample the white noise and cancel fast enough so that i
cannot hear it

or at least cancel most of it by analyzing the predominant noises
based on previous samples

Yes it is possible.

I suppose that among the many other things of
which Electric Comet is unaware is that a major
audio manufacturer has noise cancelling headsets
in their third or fourth generation of
production, available off the shelf at Best Buy.

Auto manufacturers use anti-noise to change (reduce, increase, or
"enhance") engine noise. It's quite different than the **** headsets
you mention, though. It is a technology that a saw manufacturer
could, but is *highly* unlikey to, use.