[App_rpt-users] Squelch Tail Crash Elimination

Wed Jun 6 10:37:50 UTC 2018

Thank you Chuck and Mike,

Chuck,
Yes… I thought USBRadio with more complexity, not simple would be what was needed… I am using pin 9 now from the 15 pin and going to pin 21 at the URIx.  I will look at what you show below and see if that is the direction to go.  As you described “Best results”, I will check into grabbing the discriminator audio being a little nervous  with my skill set 😊

Thank you.

Mike,
I did play some with the “rxondelay” but with no luck.  What I remember, adding time to “rxondelay “ gave me a short burst of initial audio out the front speaker with more time getting a longer audio burst before it gets muted.  This audio burst would only happen if the squelch tale drops completely from the previous transmission.  I did not hear a difference with what was heard on the air from the transmitter including the squelch crash was still present.

Thank you for your reply…
John de KE5RS
_._ . ..... ._. ...

From: App_rpt-users <app_rpt-users-bounces at lists.allstarlink.org> On Behalf Of Chuck Henderson
Sent: Tuesday, June 5, 2018 10:45 PM
To: Users of Asterisk app_rpt <app_rpt-users at lists.allstarlink.org>
Subject: Re: [App_rpt-users] Squelch Tail Crash Elimination

I think that if you feed direct discriminator audio to the usb interface and use usbradio then it automatically takes care of the necessary delays and avoids loosing any audio in the process.  For best results you can grab the direct discriminator audio from the cable that runs from inside the Receiver Unit to the Filter Unit (shown below), I can't remember if I used the L-in or the R-in.  Or second best you can use the DSP processed discriminator output in the DB15 connector (center pin in center row, pin 8) but it isn't as good and has more delay.

[cid:image002.png at 01D3FD53.7BAAA450]

On Tue, Jun 5, 2018 at 9:41 PM, Mike <mm at midnighteng.com<mailto:mm at midnighteng.com>> wrote:

Well, I don't want to lead you astray... as I'm not for sure on this...

Had to think on it a while...

You might try adding some time to rxondelay (ms)  but I'm not sure that will delay the repeated audio.

I think it may only delay the cor activation time.

But, if nobody chimes in with the 'right stuff' give it a try.

I'm thinkin you might need to create a special audio delay.

73,

...mike/kb8jnm

On 6/5/2018 10:10 PM, John W Benedict wrote:
Hello,

I have ASL running a Dell Slim Form computer all seems to be work quite well, connections, Echolink and local repeater with great audio reports however… I like to know how to eliminate the squelch crash on the tail maybe adding some milliseconds to the receiver audio?

The system is a Yaesu DR-1X interfaced with the URIx controller using SimpleUSB in ASL version 20180417
The computer: Dell SFF Version 4.9.0-6-amd64 #1 SMP Debian 4.9.88-1+deb9u1 (2018-05-07) x86_64.

I am very novice with Linux and Asterisk but learning bits and pieces…

Thank you
John de KE5RS
_._ . ..... ._. ...

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