[arm-allstar] heartbeat led

[David McGough]

Thanks, Tom. I appreciate the positive feedback! 

73, David KB4FXC

On Fri, 19 Jan 2018, "Tom Whiteside via arm-allstar" wrote:

> I sure want to thank you guys for this change!   We did some testing on the
> nodes here trying to key and talk as fast as we could and experienced zero
> clips!   We had had so many problems in nets with clipped audio (despite
> coaching to key and wait) that I ended up increasing the hang time to 5
> seconds just to mask the effect in nets.  
> 
> This software is so cool and it just keeps getting  better with you guys'
> efforts!
> 
> 73 Tom N5TW
> 
> -----Original Message-----
> From: arm-allstar [mailto:arm-allstar-bounces at hamvoip.org] On Behalf Of
> "David McGough via arm-allstar"
> Sent: Wednesday, January 17, 2018 8:27 AM
> To: "Alan Matthews via arm-allstar" <arm-allstar at hamvoip.org>
> Cc: David McGough <kb4fxc at inttek.net>; Alan Matthews
> <alanm0aqc at btinternet.com>
> Subject: Re: [arm-allstar] heartbeat led
> 
> 
> Hi Alan,
> 
> This is normal behavior with the simpleusb driver as of the firmware release
> at the end of October, 2017 (as of: 
> 1.4.23-pre.hamvoip-V1.5.3-20-app_rpt-0.327-10/29/2017 )...
> 
> The always faster heartbeat indicates that the audio fob is always in
> full-duplex audio mode. I found that this change improved performance,
> mainly reducing audio latency and reducing or stopping the occurrence of
> "chopped off" first syllables when the TX is first enabled. I haven't
> noticed any negative side effects (????), so far. I run all my systems in
> full-duplex, at this point.
> 
> If for some reason you need the original half-duplex-when-idle behavior, you
> can revert to the old mode by setting duplex=0 for the node stanza in the
> simpleusb.conf file.
> 
> 73, David KB4FXC
> 
> 
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