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Telephone Hybrid

H

hungryhawk

Hi all, I'm working on an Audioarts Console with a Gentner SPH 10 Hybrid.

Mic channel one sends to Gentner on Mono 1 bus.

Sounds like Mic channel one is routed through Gentner. Is there Anyway to skip that so that it doesn't sound like the host (Mic 1) is on the phone.
 
Are you using the hybrid out or the mix out of the SPH-10? Mix out gives you a mix of send and receive audio... good for recording calls. Hybrid out should only give you the caller audio. The SPH10 also doesn't do a great job of nulling the send audio, so you can expect some leakage.
 
Yes, it does sound as if you may be using "mix." Verify that you have 1) mix-minus audio to the "send" input on the hybrid and 2) caller audio to the board fed from the hybrid's "caller out" (NOT "mix") output. If you're wired correctly, you may have a problem with the null.

Before we switched to a digital hybrid, I manually nulled a Gentner 3A. If the null wasn't proper, the host's voice would "thin out" from excessive trans-hybrid loss.

Let's us know after you verify the wiring and perhaps we can offer other suggestions.

Good luck....
 
I worked as a jock at a station with an engineer who....well...anyway....I learned the hard way about doing a live phoner. It seems the mix feed was feeding the fader, which should be annoying but functional. But in this case we add the element of phase reversal between the wiring of the mic and the hybrid feed. Mono listeners only heard the caller with the mic and phone fader used together while my voice was a phase mess. The way around the signal cancellation was to cross fade the mic fader down while bringing the phone fader up. He could have fixed it but didn't, but that is another story.
 
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