[CQ-Contest] Improving voice recordings for phone contests
Ktfrog007 at aol.com
Ktfrog007 at aol.com
Thu Mar 7 10:01:39 EST 2013
Thank you for this positive and helpful posting. I'm not much of a phone
op and have never used a voice keyer, but I thought it important enough to
save in my "Hints & Kinks" email folder for future reference.
In a message dated 3/7/2013 13:11:26 Coordinated Universal Time,
n4zr at contesting.com writes:
As a diversion from the debate about which contest is better....
Before last weekend's contest, I had a chance to experiment a bit with
my voice recordings. One of the problems I have always had is that when
I try to enunciate clearly I always slow down, and the resulting
recording lacks the urgency you expect in a contest situation. I also
always notice stations whose recorded and live audio don't sound
anything alike, and wanted to minimize that as much as possible.
I use Audacity, excellent freeware recording software, but this time
around I "discovered" its "Change Tempo" function, which speeds up
speech without changing the pitch or timbre. The results are wonderful
- you can speed up any recording 10 or 20 percent at a time, and it
sounds completely natural, just faster.
So what I do, for whatever it is worth, is the following. This may be
old hat for the SSB pros, but judging from what we hear on the air, it
could be useful for a lot of other people.
*make a recording.
*trim it (in Audacity) so there is no dead air.
*amplify (without clipping) in Audacityto set peaks at 0 dB.
*listen and adjust the tempo (on the same Enhance menu) for the effect I
want. Repeat these 4 steps for each recorded message.
*adjust my sound card's microphone gain (I run my microphone through the
sound card) so that it produces the same peak level as the recordings.
*adjust my transceiver's TX equalizer, mic gain and compression to give
me the sound I want on the air. It is much easier to do this with a
recorded message, so you can really listen to yourself. The nice part
of having done the preceding steps is that you only have to adjust your
73, Pete N4ZR
Check out the Reverse Beacon Network at
blog at reversebeacon.blogspot.com.
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