[App_rpt-users] RPi2 Allstar Audio Quirk.

[Jon Rorke]

This will be goo to see.

All full duplex Allstar nodes have some audio repeat delay but its not 
usually a problem. However on the RPI2 if the delay is excessive then I 
can see that it would be annoying.
Will this new code make it to the main repository so that that ACid 
distros can take advantage too?

On a side note, I have found that the inherent link to link latency on 
Allstar is vastly superior to that of IRLP or Echolink. Even with 
internet delays which are mostly out of our control.

VA3RQ

On 5/30/2015 11:43 AM, David McGough wrote:
> Hi Keith,
>
> This excessively long, random audio delay is present with all RPi2 boards
> I've tried and it's a software issue. I've occasionally noticed this same
> delay on other platforms, too---even fast PC hardware. However, on fast
> hardware, the delay doesn't show up very often; so the issue is better
> hidden.
>
> I've got a software fix for this problem and it'll be in the RPi2 version
> 1.1 arm-allstar release. I'm trying to get that code to beta-test ASAP. We
> already have some alpha-test code out and it has a few rough edges, but it
> provided us with proof-of-concept feedback as to what precisely was
> happening (and it does fix the delay!).
>
>
> 73, David KB4FXC
>
>
>
>
>
>
> On Sat, 30 May 2015, Keith Goobie wrote:
>
>> What about the allstar RPi2 variant that comes out of the UK?
>>
>> Keith
>>
>> Sent from my iPhone
>>
>>> On May 30, 2015, at 10:22 AM, Tim Sawyer <tim.sawyer at mac.com> wrote:
>>>
>>> This is a know issue with RPI2 in repeater operation. There is a
> random delay in repeat audio. Doug and Dave are working on a fix. Forcing
> turbo mode will help some.
>>> --
>>> Tim
>>> :wq
>>>
>>>> On May 30, 2015, at 5:08 AM, Keith Goobie <keith at goobie.org> wrote:
>>>>
>>>> Good day Alll!
>>>>
>>>> We have a two node system using the RPi2,a and the latest Compton
> WA3DSP code (with many thanks).
>>>> Here is the anomaly we are experiencing and we are seeking guidance
> and input to remove the issue.  After a user unkeys, he/she will hear
> about a second of their voice during the tail time.  This occurs when a
> node is connected and not connected to other nodes.  Something is feedback the audio.
>>>> I am willing to share the config files with those that can assist in triaging this issue.
>>>>
>>>> Thanks in advance.
>>>>
>>>> Keith
>>>>
>>>>
>>>>
>>>> -- 
>>>> keith at goobie.org
>>>> Keith Goobie
>>>> Richmond Hill, ON, CANADA
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