The audio output from my laptop has an audible artifact of some sort
in the left channel. I can't really describe it to the servicing
people, and they won't repair it unless I can tell them what's wrong.
Is there any sort of soundcard program that I could run, with the
output patched into the mic input (no line input) that would do a
loopback test of the sound system? If I can show a distinct
difference between the two output channels, it would make life simpler.
I actually worry that it might affect the transmitted audio.
Or alternatively, a pair of programs so that I could check one
computer against another?
73, doug
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