Topband: Psychoacoustics

[Barry Gross]

On 11/23/05, David Gilbert <rimradio at direcway.com> wrote:
>
>
> This means that if you have a single CW signal amongst 2.4 KHz of white
> noise - or even other CW signals that are at roughly the same strength
> but at a different pitch, then your brain/ear is perfectly capable of
> picking it out, being able to "ignore" the 2.4 KHz of noise and the
> other "dissimilar" signals:  Under these conditions, narrower filters
> won't always improve the "copy" for a skilled operator*/./*
>

Listening to a weak cw signal in the midst of roaring, popping qrn isn't
directly analagous to a weak signal against a background of constant level
white noise.  I suspect cw filters are more useful in the real world of
topband qrn.

73,
Barry N1EU