[ICOM] NICE WEB audio filter

[Adam Farson]

Hi DR,

Actually, the point I was making is that there is no choice in whether or
not to use the IF-DSP. In a very real sense, the DSP is the radio; the NR is
only one of its functions.

If you have an external audio DSP unit handy, it will certainly do some
additional clean-up.

Best 73,
Adam, VA7OJ/AB4OJ
North Vancouver, BC, Canada



-----Original Message-----
From: icom-bounces at mailman.qth.net [mailto:icom-bounces at mailman.qth.net] On
Behalf Of David J. Ring, Jr.
Sent: 19 October 2004 04:31
To: ICOM Reflector
Subject: Re: [ICOM] NICE WEB audio filter

No, Adam.  I'm using both the IF-DSP and the external DSP audio box.  The
combination works extremely well for noise, improvements in selectivity is
zero, as I would expect, but the combination is very good for general noise.

Is it worth buying an external DSP box?  Probably not, but I had one, and it
is like a "spit shine" on the audio.

Cheery cheers,

DR
----- Original Message -----
From: "Adam Farson" <farson at shaw.ca>
To: "'ICOM Reflector'" <icom at mailman.qth.net>
Sent: Monday, October 18, 2004 8:38 PM
Subject: RE: [ICOM] NICE WEB audio filter


Hi Dave (DR),

Actually, you are doing everything with the IF-DSP in your IC-756Pro -
transparently.

http://www.qsl.net/ab4oj/icom/pro_dsp.html

The Noise Reduction feature is only one function of the DSP engine which is
the heart of the radio. I usually leave NR at 50%, for approx. 20 dB
reduction in band noise level. There is not much additional effect above
50%.

Cheers for now, 73,
Adam VA7OJ/AB4OJ


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