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Re: Masters Communications VOX

 

How the app uses TXD with PTT has no impact on? this discussion - the discussion is about VOX which doesn't use the PTT control line directly through the app.

So let me ask two DIRECT questions that will definitely answer the specifics about using VOX in tne manner:

1. Does the TXD variable have any impact on the audio?

2. Specifically, does Direwolf or any other sound card app start the audio on either or both channels TXD milliseconds before the data tones to account for possible VOX control?

Those are the specific questions related to the discussion.??


On Sun, Mar 14, 2021 at 12:40, Scott Currie
<scott.d.currie@...> wrote:
But, if as indicated above, Direwolf?DOES?send the same audio on both channels at the same time, this is not an optimum configuration for PTT.? The PTT needs to go active BEFORE the audio.? I was pointing out that "I" felt he (John?Kristian)?
would be disappointed if he tried to use his Masters Communications VOX circuit with Direwolf on the second of the stereo audio channels.


This is exactly what the TXD setting is for. Transmitters do not come up to full power immediately, receivers do not detect a signal immediately. There is always delay from PTT activation to when the actual data is sent, and it varies from radio to radio. TXD or Transmit Delay compensates for this.

-Scott, NS7C

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