We have seen a similar issue in CW recently that we're actively working on. Stay tuned for more info as we make progress.
Eric Wachsmann FlexRadio Systems On Thu, Jan 21, 2010 at 12:36 AM, James Nelson < [email protected]> wrote: > Hi All, > > Recent excitment with the Winmor project has been the recent catayst for > looking once again closely at latencies & syncing with data traffic and so > whilst ruinning 2 gateways in our region full time with many beta testers > watching connects from myself and others we have observed the following; > > When using SDR (like pactor) I have kept the buffers both in driver and DSP > at 512. Usually the connects are 1st time however during the connection at a > random time the ack frames become shortened or truncated hence the data > frames are damaged and the connection is lost. > > What we have found using "hit and miss" experimentation is by restarting > the Psdr console "off then on" for one second or more during the symptom > described above, the synchronization for the PTT and Audio becomes > re-aligned and consequently they renegotiate and the connection is saved. > Should the power "off and on" remedy not be actioned completion of the > transfer cannot be processed resulting in both stations simply calling it > quits. > > Observations would indicate an audio truncation with the PTT timing. Having > a VOX selection on the VAC in Digi U/L mode may create a workaround but a > solution to the underlying PTT & Audio alignment problem would place our > SDR's "up there" with the real time radios thwarting the SDR latency > critics. With the help of Les Keppie VK2DSG we have been trying to solve the > ARQ mystery. > > Any help here Gentlemen is very much appreciated. > > 73' > > James. VK2JN. &. Les VK2DSG > > > ------------------------------ > Sent from my iPhone > ------------------------------ > > > > > __________________________________________________________________________________ > See what's on at the movies in your area. Find out now: > http://au.movies.yahoo.com/session-times/ > > _______________________________________________ > Flexedge mailing list > [email protected] > http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz > This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used > for posting topics related to SDR software development and experimentalist > who are using alpha and beta versions of the software. > _______________________________________________ Flexedge mailing list [email protected] http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used for posting topics related to SDR software development and experimentalist who are using alpha and beta versions of the software.
