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Re: [CQ-Contest] Improving voice recordings for phone contests

To: cq-contest@contesting.com
Subject: Re: [CQ-Contest] Improving voice recordings for phone contests
From: Pete Smith N4ZR <n4zr@contesting.com>
Date: Fri, 08 Mar 2013 10:30:36 -0500
List-post: <cq-contest@contesting.com">mailto:cq-contest@contesting.com>
Amen. Close to 30 years ago I had a Radio Shack speech synthesizer chip that I tried to use for this purpose. It made speech, all right, but often the only response to my machine-speak was "sorry - your audio went bad. again, please."

73, Pete N4ZR
Check out the Reverse Beacon Network at
http://reversebeacon.net,
blog at reversebeacon.blogspot.com.
For spots, please go to your favorite
ARC V6 or VE7CC DX cluster node.

On 3/8/2013 8:57 AM, Cqtestk4xs@aol.com wrote:
Do NOT use a different voice for the exchange!!!  It really screws up  the
op on the other end, especially when there is QRM or you don't have a big
signal.  The guy on the other end is expecting a voice similar to the one
that CQed or called him.  If you don't hear that in less than optimal
conditions you think the guy QSYed.
As an SSB contester I've had this happen to me a few times and it is a
PITA.
Bill K4XS In a message dated 3/8/2013 1:35:36 P.M. Coordinated Universal Time,
r_bakalov@yahoo.com writes:

Have you  guys tried using AT&T Labs' text to speech site? See
http://www2.research.att.com/~ttsweb/tts/demo.php  You won't be using  your own 
voice,
but at the very least the voice will be consistent. I am not a  SSB fan, but
do want to get into SSB contests and have been toying with the  idea of
recording it all with a text-to-speech tools. For call signs, my  thought is to
make them sound more natural by identifying the top unique  prefixes and
recording dedicated files for them (e.g., W1, DL5, S50,  etc.).


Rudy  N2WQ


________________________________
From: Björn SM0MDG  <bjorn@sm0mdg.com>
To: CQ Contest <cq-contest@contesting.com>
Sent: Friday, March 8, 2013 5:05 AM
Subject: Re: [CQ-Contest] Improving  voice recordings for phone contests

On 7 mar 2013, at 13:30, Pete Smith  N4ZR <n4zr@contesting.com> wrote:

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.
*listen and adjust  the tempo (on the same Enhance menu) for the effect I
want.  Repeat these  4 steps for each recorded message.

I used the same methodology for the  recordings I made for CQ160 SSB where
I had to go "silent". I voiced in normal  speed (or slightly below normal),
articulating clearly and used about 20-30%  tempo increase. I would be
interested to hear others "best practice" on the  amount of speed increase.

A sample exchange of mine is posted on the  SE0X blog, go to www.se0x.info
in the CQ160 SSB update and listen to the audio  file.

Another benefit of voicing all prompts is that exchanges are kept  to the
essentials keeping the rate high. Of course this can only happen if  voice
prompts are clear and easy to receive by the other station. The benefit  is
probably higher in a contest with a predictable exchange leaving only the
call to constructed on the fly by N1MM.

73 de  Björn,
SM0MDG
VP2MSW
V21BM
SE0X


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