SpectraFoo can show at a glance the noise signature. Given two files,
capture a screenshot for a visual reference! Usually it only shows what
the ears can tell, but you can read directly the frequency of the noise
spectrum.
Lou Judson =95 Intuitive Audio
415-883-2689
On Oct 11, 2005, at 5:48 AM, Klas Strandberg wrote:
> This is how I compare noise:
>
> I make two recordings with the same reference. Then I paste in about
> 2-3
> seconds of one of the recordings into the other recording. Listening to
> this file, hearing one noise 2-3 sec and then next noise for 2-3 sec
> is in
> my ears the best way to compare.
>
> Even such a comparison can be tricky. With my Beyer headphones I get
> one
> mic a little noisier than the other (noisier =3D more audible) while I
> get
> the reverse result when using my loudspeakers.
>
> The brain can easily get "set" at a judgement. It learns a certain
> noise
> and adds the subjective value "noisiest" to this noise character.
> Therefore
> one has to test ones hearing many times, starting the replay of the
> file
> without knowing where, so that one doesn't know which mic / amp that
> one is
> listening to. One also has to put the headphones the other way.
>
> Klas.
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