For the best SNR in your transmitted audio, the leveler is a critical
tool to use. Please see Rob W1AEX's write up
http://helpdesk.flexradio.com/entries/21938803-TX-Audio-Setup-Procedure-by-W1AEX-Rob
The leveler adds gain when you are speaking "soft" soundsand has no
influence on previous signal path audio stages, only subsequent stages.
Tim Ellison
On 4/30/2013 10:40 AM, Bob Kay wrote:
You suggested to turn off the Leveler during the adjustments. Isn't the
Leveler functioning as an overall output volume control? And since we meter
each stage directly, does the Leveler have any influence on the preceding
stages?
On Sunday, April 28, 2013, Mike wrote:
Hi Nige,
Just a quick message to say thanks for the audio video, simply superb!
I'm normally 99.99% CW on air apart from the occasional data mode
contact, but have over the last couple of days had 3 SSB contacts,
almost unheard of for me, but have actually enjoyed the contacts,
however I have no idea how to set up the PSDR/Flex audio as I have never
needed to use it before!
With your video I now have an understanding of how the audio chain works
and indeed how complex it actually is, I never knew it had such
capability, so I'm now off to see if I can get my audio to sound
"reasonable" using your example video for reference.
Thanks for your time and patience, I really appreciate it!
Mike.
M0AWS
http://www.m0aws.co.uk
On 27/04/13 18:00, [email protected] <javascript:;> wrote:
Message: 1
Date: Sat, 27 Apr 2013 07:50:44 +0100
From: Nige G7CNF <[email protected] <javascript:;>>
To: [email protected] <javascript:;>,
[email protected]<javascript:;>
Subject: Re: [FlexEdge] Video demonstration of PowerSDR operations?
Message-ID: <[email protected] <javascript:;>>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Arising out of the first two videos, it quickly became apparent from
private emails that there was a need for a closer look at setting up the
TX audio. This is another long video but hopefully covering all the
bases. It is a walk-through of setting up a TX Profile completely from
scratch, the main theme is to achieve the cleanest audio possible whilst
maximising RF output.
I'd like to say a big thank you to everyone who contacted me privately,
I was overwhelmed by the positive response and gratified to know that my
time bore something useful to others which for me brings deep
satisfaction. I hope the latest instalment offers as much usefulness as
the first two have apparently done. The 'Setting Up TX Audio' video can
be found at: TX Audio. Setting Up
PowerSDR<http://www.youtube.com/watch?v=2trJjUObLkY>
All the best and keep on Flexing!
Nige.
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[email protected]
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This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used for
posting topics related to SDR software innovation and other technical SDR
topics.
