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Switching between digital audio source and voice audio
Something changed in the way microphone VOX and DAX work together on SSB between SSDR 2.3.9 and 2.4.9 with my 6600 and I have been unable to get them to work together in 2.4.9. I don’t see anything in the release notes that would explain this change.Section 20.3 of the SSDR Software User's Guide says, in part, "If the DAX button . . . has been selected and PTT is initiated through CAT, audio will be used from the DAX source rather than the currently selected microphone input. If, however, a microphone PTT is depressed, the selected microphone will be used for input. This allows the operator to switch between a digital audio source and voice audio quickly."
I found this to work as described in SSDR 2.3.9. I found it would work whether I used a footswitch with the mic for PTT or used VOX.
I don't work a lot of phone: my last phone QSO was back in August when 2.3.9 was the most recent release. This evening, with SSDR 2.4.9 installed, I find that VOX and the mic will no longer key the radio if the DAX button has been selected. I must manually turn DAX off in SSDR in order to use VOX with the mic. The footswitch with the mic still works with DAX turned on.
I downgraded to 2.3.9 to make sure I was not imagining things and found the behavior as I remembered it: that I could have both mic VOX and DAX turned on at the same time, allowing me to seamlessly go back and forth between voice audio and digital audio without using a footswitch. I then reverted to 2.4.9 and found once again that I had to choose between using VOX with the mic or using DAX. The footswitch will allow me to use the mic just fine with 2.4.9, but the ability to use microphone VOX alongside DAX is not there.
Here are some screen shots showing my setup. The first one is 2.3.9, both VOX and DAX are selected and both work.
This second image is from 2.4.9. Both VOX and DAX are selected but only DAX will work. If I want to transmit mic audio I cannot use VOX. I either have to turn DAX off or use the footswitch.
The settings in these two images appear identical to me. But perhaps I am missing something. Any suggestions would be appreciated.
I should note that I am using an N1MM+ 1.0.7342 macro to provide the digital audio for the radio with both 2.3.9 and 2.4.9, and everything is configured for SO2R. The result is the same regardless of which slice I use for TX: works in 2.3.9 but not in 2.4.9.
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