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Using a channel driver written about 5 years ago by
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Bogdan Diaconescu, YO3IIU, I have a pretty clean way of using the on
board sound (snd_bcm2835)<br>
You can use a amplified speaker plugged into the 3.5 MM jack on the
RPi2 to monitor the node. I've posted the source code at
<a class="moz-txt-link-rfc2396E" href="https://github.com/N4IRS/AllStar/tree/master/chan_alsaradio"><https://github.com/N4IRS/AllStar/tree/master/chan_alsaradio></a><br>
<br>
I will update the README over the next couple of days. The only
thing I have used the channel driver for, is to monitor the node on
a local speaker WITHOUT needing to add a second USB sound device.<br>
On the RPI, this is a one way driver. The on board sound does not
have a mic input. From there let you imagination run wild.<br>
<br>
Stay tuned to THIS list for more info on the RPi and the ARM boards
in general.<br>
<br>
73, Steve N4IRS <br>
<pre class="moz-signature" cols="72">--
"Anything is possible if you don't know what you are talking about."
1st Law of Logic</pre>
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