[Elecraft] Audio artifacts

[Stephen Prior]

I hear what you are saying Lyle, and maybe I didn't explain myself clearly
enough- what bothered me was that moving filter bandwidth from 2.7 to 2.8kHz
and then back again completely stopped what I was perceiving as distortion.
That is what made me wonder if it were something amiss somewhere.

It's not there now anyway.

73 Stephen


On 20/06/2008 22:02, "Lyle Johnson" <kk7p at wavecable.com> wrote:

>> It's the first time I've noticed this problem.  I assume Lyle that you are
>> not suggesting that it's a by-product of using the AFX, because I use AFX
>> all the time and had not noticed it before.  I don't have the settings for
>> SPKR+PH _and_ SPKRS=1 on.
> 
> AFX provides a delay between the two channels. If the channels are then
> summed, there will be peaks and nulls depending on the pitch.  The same
> thing happens if you have two speakers in a room with hard walls and no
> draperies.  It is not distortion, it is combining signals that are no
> longer in phase due to the intentionally introduced delay.
> 
> 73,
> 
> Lyle KK7P
> 
> 
>