This technique has quite a distinctive sound, tho. Football commentators always used to have this slightly hollow sound to their voices, a result of this same phase-inversion.

Date: Fri, 28 May 2010 04:04:06 +0800
From: noise.now@gmail.com
To: puredata@11h11.com
CC: pd-list@iem.at
Subject: Re: [PD] microphone cleaner advice

a noise cancelling mic would require 2 capsules, one cardioid pointing the the wanted source (you) and another picking up the opposite direction assuming that's where the noise is and then phase inverts the 2. as the noise hits both capsules at the same time but at opposite phases it should work quite ok.

Jurgen

On Fri, May 28, 2010 at 1:47 AM, patrick <puredata@11h11.com> wrote:
hi everyone,

on the market there is microphone that have a feature called noise cancellation for a better speech quality. this is what i am trying to achieve with pd.

my microphone is not that noisy (for a diy 6$ microphone):
http://www.workinprogress.ca/electret-microphone-amplifier/

but the environment is (computer fan for example).

pat


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