Re: 14.070 Music
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That may not be the problem at all.
It is quite possible for a computer to have multiple sound "cards". The computer I use for my station has three sound cards.
One is the internal sound card connected to the internal speakers of the laptop. This is default sound card used for music, videos, error alert sounds, etc.
The second sound card is the one built into my ICOM 7600 radio that is used for digital sound card modes.
The third sound card is part of a sound mixer that is connected to my radio for SSB phone.
As long as I have the correct sound card selected for each software application, everything works fine. However, if I make a mistake and select one of the sound cards that are connected to my radio as the default sound card then any sounds generated by my computer can go out over the radio. Even if I had a computer dedicated to my station that I never used for anything else, the default sound card setting could be set incorrectly.
I suspect improper sound card settings are the reason for strange sounds going out over the airwaves.
------ Original Message ------
Received: 07:02 PM CST, 03/05/2017
From: "Radio radio@... " <070@...>
Subject: Re:  14.070 Music
Unbelievably I have had people suggest that using your computer’s speakers and the mic input on another computer is a completely acceptable way to run sound card digital. Just don’t sneeze :)
73 de Eric, KG6MZS