Hi
Program version
currently I use WSJT-X v1.7.0 r7405 but it also happened on 1.6 already, so
I do not think this bug was introduced lately
Operating system
Mac OS X 10.11.6 but it also happened in earlier versions of Mac OS X
Concise description of the problem
after some transmissions, the Audio input and output seems to be switched from
the selected (configured) Audio Device to the OS Default Audio Device
Exact sequence of steps required to reproduce the problem
Select mode JT65 or JT9, it happens on both (I did not try others), select a
band (does not matter which, happens on all I tried) e.g. 80m
Listen for some CQ, respond to it, finish QSO successfully.
Wait for another CQ, respond to it. Usually within this QSO (or the third), it
happens that the Audio Output from the application
to the Transceiver is suddenly not going to the Audio Device of the Transceiver
any more but coming through the speakers. PTT (via RTS) is still
working, and the transceiver is therefore transmitting „silence“ and I am
hearing the JT9 or JT65 output on the computer speakers. In this situationalso
no Audio Input is received from the
Transceiver any more - waterfall not moving any more, but the Application is
still responsive (no crash) and telling „Receiving“ in the lower left corner.
Also no decoding any more (i.e. it is not the waterfall
itself which is gone, but it seems like the Audio Input is gone).
This situation can be fixed by terminating the application and restarting it.
My first suspicion was that by some RF in the room, the USB connection to the
receiver might have gone, but I can now confirm that this is NOT the case
because upon restarting
the application everything works again (without unplugging or restarting the
Transceiver).
I searched the Internet, and other people are also talking about this issue
(also with older program versions), so I assume this problem is not specific to
my setup.
My Audio Device is set to 48000Hz. Audio Device is provided by my IC7300 via
USB. The same problem also existed with my previous transceiver (Kenwood
TS590S).
PTT is currently via RTS (on the IC7300), but the problem also existed when PTT
was via VOX (on the TS590S), with the difference that the TS590S did not start
to transmit of course
because it was in Data-VOX mode and the Audio signal was not going into the
Transceiver but into the Default Audio Device.
My "educated guess“ is that the problem happens when switching from receive to
transceive mode or when switching back.
I would be happy if I could help in tracing down the issue, just tell me what
to do (produce log files etc). My last C++ coding is 20 years in the past now,
I am doing Java now in my job,
but if you give me some hint I could try to look into the source code and try
to find the problem.
Thank you very much and Greetings from Vienna!
Siegfried
--
Greetings
Siegfried Hanisch
mailto:siegfried.hani...@hanisch.com
http://www.hanisch.com
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