In the opinion of the group out there, what is the best outboard audio DSP.
Kevin :)
Amateur Radio: K7RX
-----Original Message-----
From: For blind ham radio operators [mailto:[log in to unmask]]
On Behalf Of Steve Dresser
Sent: Sunday, February 08, 2009 19:22
To: [log in to unmask]
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
>
No virus found in this incoming message.
Checked by AVG - www.avg.com
Version: 8.0.233 / Virus Database: 270.10.19/1939 - Release Date: 02/07/09
13:39:00
|