Steve,

I'll have to hunt in the manual for that info.  I never spent any time
reading about it in the manual since I was already familiar with its usage
in the R75 receiver.  That would be interesting to know, however, so I will
look.

Phil.
K0NX



----- Original Message ----- 
From: "Steve Dresser" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Sunday, February 08, 2009 8:22 PM
Subject: Re: DSP


> Phil,
>
> Is the DSP in the 7000 in the IF or audio circuits?
>
> Steve
>
> ----- Original Message ----- 
> From: "Phil Scovell" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Sunday, February 08, 2009 17:42
> Subject: DSP
>
>
> >I remember awhile back someone asking what DSP was.  It stands for
Digital
> > Signal Processing.  Originally, the way it used to work was by taking a
CW
> > signal, buried in noise, and record it on the fly on to a computer hard
> > disk.  Then that audio was filtered of noise before sending it out to
the
> > speaker or headphones.  Now it is all being fed through gigabyte chips.
> > Anyhow, it attempt to remove the noise and process the CW signal,
dumping
> > it
> > out minus the noise theoretically.  The DSP on my Icom R75 receiver I
> > didn't
> > consider to be worth while to use.  However, I use it often with the
Icom
> > 7000 transceiver.  The other night, I tuned around and found a signal
that
> > I
> > could hear, but not copy, below my line noise.  Turning the DSP on, he
> > came
> > up out of the noise and although weak, I could copy him perfectly.  Yes,
I
> > use it on SSB signals, too, but it works best with CW signals.
> >
> > Phil.
> > K0NX
> >
>
>
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