[hpsdr] Thetis problem

K4KV k4kv at k4kv.com
Thu Jun 8 06:34:15 PDT 2017


Bryan,

I am running tests now with another Hermes and PSDR.  It does NOT seem 
to have the problem, tx audio

seems OK running JT65hf, VAC, and VB.

Will keep testing.

73

Glen K4KV



On 6/8/2017 08:53, Bryan Rambo wrote:
> Glen (& Scott),
>
> Scott would be the best to ask about that (CC'd above).  Guess you could try
> V.A.C. (the software), but I think Scott much prefers VB.
>
> Can't remember offhand what the default VAC1 ringbuffer size is, but try a
> big one, say 100ms just to be on the safe side.  There can't be anything
> going on inside your computer that a 100ms ringbuffer couldn't fix.  That
> is, assuming that VAC1 is the problem.
>
> 73, Bryan W4WMT
>
> -----Original Message-----
> From: K4KV [mailto:k4kv at k4kv.com]
> Sent: Thursday, June 08, 2017 8:45 AM
> To: bryanr at bometals.com
> Subject: Re: [hpsdr] Thetis problem
>
> Bryan,
>
> It is the default, whatever that is.
>
> I wonder if this is all Voicemeter Bananna problems?
>
> 73
>
> Glen K4KV
>
>
>
> On 6/8/2017 08:42, Bryan Rambo wrote:
>> ***** High Performance Software Defined Radio Discussion List *****
>>
>> Hi Glen,
>>
>> Have you tried dialing in a larger (much larger) VAC1 ringbuffer size?
>> Since you're using JT65, the additional latency shouldn't be much of a
>> concern.
>>
>> 73, Bryan W4WMT
>>
>> -----Original Message-----
>> From: Hpsdr [mailto:hpsdr-bounces at lists.openhpsdr.org] On Behalf Of K4KV
>> Sent: Thursday, June 08, 2017 8:26 AM
>> To: hpsdr
>> Subject: [hpsdr] Thetis problem
>>
>> ***** High Performance Software Defined Radio Discussion List *****
>>
>> Hello,
>>
>> My first problem with Thetis (I think).
>>
>> Trying to transmit in digital mode DIGU using VAC and VB.
>>
>> The Hermes is not seeing the JT65HF program audio, most of the time.  I
>> schedule a cq and the Hermes keys up.
>>
>> Nothing on the transmit audio.  I turn off VAC and then back on and
>> audio appears.  Doing this a second time the
>>
>> next transmit cycle does NOT work.
>>
>> I have cycled through just about every combination of VB input and
>> output, Line In, Mic, etc.  I am pretty
>>
>> confident it is NOT the JT65 program.
>>
>> I would go back to PSDR, but that is a pain to do.
>>
>> Any suggestions?
>>
>> 73
>>
>> Glen K4KV
>>
>>
>>
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