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General Scanning Discussion - For general questions not specific to a model of scanner or general discussion of use of a scanner. Manufacturer specific posts should be directed to the appropriate forums below and location specific posts should go in the appropriate regional forum..

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Old 05-07-2017, 4:51 PM
Join Date: Jul 2014
Location: Mattituck, NY
Posts: 2
Question Garbled/noisy audio? Digital? Can you ID?

Recently I noticed that audio from certain units were garbled or had some noise issues. First I thought it was something on my side interfering. Then I realized that only certain units transmission sounded this way. Local police, analog. Some cars as well as dispatch are clear. Others sound like there is noise over the audio. I grabbed a clip - it is at

Confirmed it sounds the same on two different scanners. Thoughts on the cause? Could they be mixing analog and some kind of digital radios?
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Old 05-07-2017, 10:26 PM
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Join Date: Mar 2005
Location: Gilcrest, CO
Posts: 968

It almost sounds like the PL tone is being sent with too great of amplitude. Possibly the radios are not adjusted properly??

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Old 05-21-2017, 6:45 PM
Join Date: Jul 2014
Location: Mattituck, NY
Posts: 2

Could very well be. It seems to have disappeared as quickly as it started happening. When I first noticed it, it was happening on probably half the units on one frequency. Today I have not noticed it on one.
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