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Re: Little OT : Software for Active Noise Cancelling or Reduction

i find this thread:

It's quite old, but it could be a start point.

The aim is to create an anti-phase in realtime.
This job is done by a don't-know small (and suppose poor) chip into some headphones that provide noise cancelling/reduction.
So i suppose it's not so difficult to do the same using a pc process and Debian (or other linux distro, of course).

Of course i don't want absolute noise cancelling (i think that it's also impossible).
A good reduction is enough.


On Thu, Aug 6, 2009 at 12:08 PM, Mark Neidorff <mark@neidorff.com> wrote:
On Wednesday 05 August 2009 04:42 pm, John Hasler wrote:
> M writes:
> > i was considering to buy headphones with Active Noise Cancelling /
> > Reduction.
> >
> > But before spend money, i'd like to know if there's a software that
> > could do the same job (for free).
> No.  Not feasible.
> --
> John Hasler

Is it technically not feasable, meaning that a room is too large to do noise
cancelling in, or not feasable from the linux software prespective?


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