[SBE] Hybrid issues.

[chscherer at everestkc.net]

Curt said:
"One jock claims it only happens on live calls, not on pre-recorded calls."

Is it this simple:
Are the problem callers not turning their radios off?

----- Original Message -----
From: Chris Tarr <chris at broadcastdoc.net>
Date: Thursday, January 29, 2009 9:59 am
Subject: Re: [SBE] Hybrid issues.


> Curt-

> 

> I may be reading that wrong, but wouldn't you want "mics only" to feed

> the hybrid?  Not sure what the "hybrid out" feed would do (except

> maybe offer an option to send audio form the audition channel down the

> line) but the only thing that should feed the hybrid on a regular

> basis is the microphones.  While an echo is indicative of poor

> cancellation, it seems like maybe the caller audio is getting fed back

> down the line.

> 

> -Chris

> 

> Christopher "Doc" Tarr CBRE, CBNT, DRB

> Director of Engineering/IT

> Entercom Milwaukee/Entercom Madison

> 

> On Thu, Jan 29, 2009 at 9:46 AM, Curt Yengst 

> <cyengst at star991fm.com> wrote:

> > Dear partners in crime:

> >

> > I'm in the process of troubleshooting a complaint from some of 

> our jocks.

> > When they take calls on our Telos 2x12, sometimes the call will 

> have a bit

> > of feedback/echo under the caller.  If the jock pots down the 

> 2x12 output at

> > the console, it can be somewhat controlled, but then the 

> complaint is that

> > the caller audio is too low in level (duh!).  It doesn't happen 

> on every

> > call, but it's enough to irritate them.  We have the Telos 2x12 

> connected to

> > a Wheatstone D-75 audio console, using their SP-75 "Superphone" 

> input> module, which has its own mix-minus.  It also has the 

> ability to generate

> > separate outputs for hybrid out, "mics only" out (everything but the

> > caller), and "callers only" out.  We're using the hybrid outs to 

> feed the

> > 2x12 inputs.  The Caller 1 output of the 2x12 (which gets used 

> almost> exclusively) is split with a Y-cable, with one side going 

> to the caller

> > input on the Superphone module and the other side going directly 

> to the

> > caller side of our VoxPro workstation.  One jock claims it only 

> happens on

> > live calls, not on pre-recorded calls.

> >

> > I e-mailed Telos, and the answer was basically that it was a 

> phone company

> > issue (poor echo cancellation), and since it was coming into the 

> station> sounding that way to begin with, there was nothing we 

> could do about it.

> > Wheatstone basically said the only way their equipment would 

> possibly> exhibit this issue was if caller conferencing wasn't 

> properly set up.  Since

> > the problem happens with single callers, this is moot.

> >

> > Any thoughts?

> >

> > Curt Yengst, CSRE

> > WAWZ