Isn't that obvious why he wants more than 16 bits? With a receiver using
more than that it could be possible to eliminate AGC all together and
just feed something with 100 dB of dynamics into WSJT. That would be
great. But if the code is written such that it only uses 16 bits that
would of course require some serious coding efforts.
I have asked here earlier, but not got any reply; Wouldn't it be wise to
split the code into two projects? A library for underlying DSP and then
a GUI application as a separate project?
That would benefit experiments with the signal processing, it would also
make it possible to fix GUI bugs independent of the DSP stuff. And it
would make it easier to integrate the "WSJT-X modes" into other
applications while on the other hand it would be easier to get new modes
and/or improvements into WSJT-X.
A no-brainer, I think...
73 Daniel SM6VFZ
On 4/23/23 14:11, Black Michael via wsjt-devel wrote:
Why do you want more than 16-bit? That would increase dynamic range.
Currently WSJT-X will only use 16-bit.
Our current recommendation is to set the audio level in WSJT-X at 60dB and use
slow AGC. Slow AGC should prevent the AGC from increasing the signal level
during the quiet periods in FT8.
Mike W9MDB
On Sunday, April 23, 2023 at 12:49:14 AM CDT, Genadi V. Zawidowski via wsjt-devel
<wsjt-devel@lists.sourceforge.net> wrote:
Hello. Who knows about internals wsjt-x - can I get benefits then using 24 bit
audio format on duc/develop radio (I want to moderate AGC slope and pass to ft8
decoder more then 16 bit audio signal).
Ua1arn
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