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Re: Personal Audio Space?



I've heard of a company in Cambridge, Ma. that is working on a device
that will sample the surrounding noise and play it back 180 degrees out
of phase. They claim that it will cancel out about 97% of the noise now
and they are working on 100% which they claim is possible. I can't re-
member the name of the company but I saw the article on Boston.com

----- Original Message -----
From: "Allan Hoeltje" <ahoeltje@best.com>
To: "Loopers Delight" <Loopers-Delight@loopers-delight.com>
Sent: Monday, June 18, 2001 8:59 PM
Subject: OT: Personal Audio Space?


> Sorry if this seems too far off topic but I figured someone here might
know
> about hearing aid technology.  I will also throw in some loop content.
:-)
>
> Have you ever been in a loud restaurant and couldn't make out what the
> person sitting across from you was saying because the background noise 
>was
> so loud?
>
> What I want is a "perception aid".  It seems to me that DSP's are good
> enough that if combined with a couple good microphones you could cancel
out
> the noise and enhance the nearby sound.  Fit the electronics and mics 
>into
a
> battery powered, walkperson sized box, plug into it with head phones (the
> ear plug kind, like what some performers use on stage) and have yourself 
>a
> "personal audio space".
>
> Anyone know if this is possible, or available?
>
> For looping or recording, it could be used as a pre-amp (a de-amp?) in
noisy
> places.
>
> Always Curious,
>
> -Allan
>