[SBE] Hybrid issues.

[chscherer at everestkc.net]

Then it's not listener radio delay coming back in.

Feedback and echo are two differnent symptoms. Can you clarify? Feedback (even comb filtering) would point to a problem in the mix-minus. Echo points to phone line blead.

----- Original Message -----
From: Curt Yengst <cyengst at star991fm.com>
Date: Thursday, January 29, 2009 10:07 am
Subject: Re: [SBE] Hybrid issues.


> Not sure this is the issue.  Although we don't use a profanity 

> delay (yet), we do delay our analog signal to match up with our HD 

> signal, which creates an on-air delay of about 8 seconds.  This 

> feedback/echo is happening almost instantly (less than half a second).

> ________________________________

> 

> From: sbe-bounces at sbe.org on behalf of 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>

> > 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.




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

> > > 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?