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We purchased an Inline Patch to take callers on our radio show. It functions just as promised but we've now found that 20 dB of separation just really isn't enough for us. What can we do?

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The Inline Patch was designed primarily for interview recording and telecom demos. If you're looking for something to put callers on the air for a radio show you should purchase an Innkeeper digital hybrid. The Innkeeper typically provides greater than 50 dB separation of send and receive and has great sound quality. This is really the piece of equipment you need.

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I have a QuickTap for recording telephone conversations but I would really like to have more control over the levels of my voice and the caller's. What do I need?

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I would recommend an Inline Patch. The Inline Patch will work with your analog telephone and gives you about 20 dB of separation between transmit and receive. It has a mixed mono output, a stereo output that has local audio only on one channel and caller audio on the other, and a balanced output that contains only the audio coming back down the phone line. These caller audio channels will contain some of your local audio, but at about 20dB less than your transmit level.

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I'm using a CD player with an Inline Patch to send audio down the phone line and then recording that audio with the caller's comments. The CD audio is overpowering the caller audio even when I turn the "From Phone" control all the way down. What's wrong?

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The "From Phone" control only adjusts the output of your voice that is sent through your telephone. The audio you are feeding into the inputs on the back of the Inline Patch comes back mixed with the caller's voice. The Inline Patch does not attempt to separate audio sent into the inputs, only your voice sent through your telephone. You'll have to lower the "Send" level on the Inline Patch to correct this problem.

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There is a small amount of hum in the background of my recordings made from the Inline patch.  What’s wrong?

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Try turning up the “From Line” volume. That should decrease resistance and help eliminate the hum.  This is 60 cycle AC hum that can be easily edited out with many recording software packages.  Filtering out audio below 200 Hz will eliminate the hum and not affect caller voice quality.  If you are connecting to a mixer equipped with an equalizer, you may also try turning down the low band on the channel connected to the Caller output jack on the Inline Patch.

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There is a loud hum on the output of my Inline Patch, even when nothing else is connected. What else could it be?

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Make certain you are using the power supply that was shipped with the unit. Power supplies are not all the same.

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I recently purchased the Inline Patch, which works great, but I don't seem to be getting as much volume out of the XLR output as promised in your catalog. What's wrong?

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Check your XLR Cable. Some Sound Engineers are in the habit of connecting the "ground wire" (pin 1) and the "negative wire" together. This is sometimes done to convert transformer output signals into a single ended output, however, Inline Patch uses an active differential output so grounding one of the hot pins will drop the output in half. Separate these two wires and you should hear a difference.

$270 US