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post #11 of 15 Old 05-14-06, 09:51 AM
DyerEmergency
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Re: Feedback Problems

At church this morning I deployed my new Behringer 1/3rd octave EQ. Lots of pretty lights to dazzle the curate but starting to make some progress with the overall response of the hall.

Before the service started, our vicar said that the main church sounds a little like an empty swimming pool and several of the older members of the congregation are reporting real difficulty with muddy sounds. It's wonderful for instrumentals but absolutely awful for vocal clarity.

We are now looking seriously at acoustic tile, banners, drapes, anything to soak up some of the reflected sounds.

I'll let you know how it turns out and maybe put up a minisite with the pics.
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post #12 of 15 Old 05-19-06, 10:28 PM
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Re: Feedback Problems

You may be able to fiddle with the EQ to get a better sound but from what you've told us about the room your working with It does sound to me like it will come down to some heavy padding.
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post #13 of 15 Old 05-20-06, 01:51 AM
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Re: Feedback Problems

You may want to have a look at http://www.ecophon.co.uk/default____5334.aspx They are a company that make acoustic panels for various solutions, hospitals, schools, offices etc. If you get in touch with them they may be able to advise you as to what you will need. Their website is fairly informative as well. Hope this helps

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post #14 of 15 Old 05-23-06, 06:06 PM
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Re: Feedback Problems

Correct me if I am wrong, We just finished add acoustic panel in a multi-function hall, and I want to share with your guy is, you can easy to control the feedback by feedback killer or Digital Multi-Mode Equalizer (inter-M MEQ 2000) which we used in there, and it work out great, but we still have (big) problem for the echo, reverb etc, those never ever can be control, expect install acoustic panel. Beside before panel installation, the acoustic eng is hired (my arm & my leg) to design what type panel to be installed.

for sure next time, I will do the acoustic test before design/install PA system, .
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post #15 of 15 Old 05-25-06, 11:56 PM
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Re: Feedback Problems

Generally Feedback can be controlled by a feedback exterminator , however you can also get the shower/field problem. Okay so if you had a PA system in your shower (or other small room) and you had a feedback problem if you added a feedback exterminator you may only be able to get 2-3 Db gain. If though you had a PA system in a wide open field you would have to really crank the system before feedback started, if you then added a feedback exterminator you would be able to get 10Db or more extra gain out of it because of the large amount of space between feedback points. In the shower situation you would have a lot of feedback points concentrated together but in the field they would be widely spaced.

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