[arm-allstar] usbradio audio (was google text)

[kk6ecm]

Cool

Thanks,
Bob
kk6ecm

Sent from iPad


> On Sep 5, 2015, at 10:16 PM, Doug Crompton <doug at crompton.com> wrote:
> 
> Examples are in simpleusb.conf, and the docs!
> 
> ;deemphasis=yes         ; enable de-emphasis (input from discriminator)
> ;preemphasis=yes        ; enable pre-emphasis (output to TX)
> 
> rxaudiodelay=4            ; rx audio delay for squelch tail elimination. Valid values
>                                   ; from 0-24 in 20ms increments. Typical values 5-10
> 
> 
> 73 Doug
> WA3DSP
> http://www.crompton.com/hamradio
> 
> 
> From: kk6ecm at gmail.com
> Date: Sat, 5 Sep 2015 21:48:52 -0700
> To: arm-allstar at hamvoip.org
> Subject: Re: [arm-allstar] usbradio audio (was google text)
> 
> How are the pre- and deemphasis enabled in simpleusb? Example please.
> 
> Thanks,
> Bob
> kk6ecm
> 
> Sent from iPad
> 
> 
> On Sep 5, 2015, at 9:25 PM, Doug Crompton <doug at crompton.com> wrote:
> 
> Steve,
> 
>    Unfortunately not at the moment. We are working on a complete rewrite of the channel driver which should fix things but that is not happening real soon.  Most find they can happily live with simpleusb. Both pre and deemphasis as well as squelch tail delay have been added at least to the v1.0 RPI2 version. If you can do PL external there is not much else you really need.
> 
> 73 Doug
> WA3DSP
> http://www.crompton.com/hamradio
> 
> 
> > From: stevewrightnz at gmail.com
> > To: arm-allstar at hamvoip.org
> > Date: Sun, 6 Sep 2015 16:05:39 +1200
> > Subject: Re: [arm-allstar] usbradio audio (was google text)
> > 
> > On 06/09/15 09:48, Doug Crompton <doug at crompton.com> wrote:
> > > [....] I do not recommend usbradio on the BBB or RPi2 or in general if you can avoid it. There is a nasty distortion that often or should I say usually shows up mostly on the transmit side - outbound - you don't hear it but othere do. It is the kind of distortion that is annoying but not so bad that it would often be mentioned BUT in my opinion it is "audio unbecoming of Allstar" !! I just want you to be aware of that. Many ignore it but I can pick it out in a few seconds of someones transmission.
> > 
> > Is there any workaround for this? I kinda like the all-in-software
> > approach.
> > 
> > 
> > Thanks,
> > Steve
> > 
> > _______________________________________________
> > 
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> > 
> > Visit the BBB and RPi2 web page - http://hamvoip.org
> > 
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> 
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