Interesting,
So, given a decent mic insert the overall audio response is very much
coloured by the housing of the the insert...
Close talking a mic gives a better S/N ratio, less background noise and
room colouration, but yields too much bass due to proximity effect?
How to overcome too much
Hello everybody!
Ever since i got my new P3 - i've been looking at people's signals (naturally).
And i've noticed the following:
When using USB on 10 meters, talking locally, there are a couple of folks that
use ICOM radios and i can see these spikes on the left of the carrier.
Normally, in USB,
Hi Slava,
I have also noticed this, is the robotic sound you are referring to a
low frequency sort of wha wha sound which modulates along with the
normal voice signal.
I have heard this before as well, and had a friend describe it as
typical Icom, which leaves me in the dark about what it is,
A spike on the left of a USB signal is normally an indication of
insufficient carrier suppression (carrier leakage). Signal to the
left of that is generally insufficient opposite sideband suppression
(sideband leakage) or regenerated sideband due to excess IMD in the
transmitter.
However, if
One additional note ... it is not necessary to be running ESSB to
generate the false carrier. Bandwidth is not an issue - only that
there be *excess* low frequency drive to the modulator (analog or
DSP). False carrier (ringing below 50 Hz) tends to be most common
in situations where low
Thank you Joe, I have been looking for an explanation of most of what
you covered here for several months. I'll pass it on to my buddy that
mentioned the Icom sound!
--
Thanks and 73's,
For equipment, and software setups and reviews see:
www.nk7z.net
for MixW support see;
Not sure it is limited to dynamic mics. I supported myself in college
working on the engineering crew at the local TV station. The Station
Mgr once complained that the newscaster boomed. I recorded myself
using his velocity mic [the large iconic RCA which had a prismatic
shape] on an Ampex
On 4/29/2014 9:32 AM, Fred Jensen wrote:
As I got closer, I became more and more a bass. Our anchorman was
right up on top of the mic sitting on his desk.
That characteristic of a mic is called proximity effect, and is the
result of the combining of front and rear openings to a mic capsule
On 4/29/2014 12:32 PM, Fred Jensen wrote:
Not sure it is limited to dynamic mics.
Proximity effect is not limited to dynamic mics. But it seems to be
more common with dynamic mics used for amateur service because the
electret has both a higher output level and more low end to start with.
I
On 4/29/2014 3:52 PM, elecraft-requ...@mailman.qth.net wrote:
Message: 12
Date: Tue, 29 Apr 2014 09:32:33 -0700
From: Fred Jensenk6...@foothill.net
To:elecraft@mailman.qth.net
Subject: Re: [Elecraft] Signal analysis with the P3
... I recorded myself
using his velocity mic [the large iconic
10 matches
Mail list logo
