5 votes

How can I prevent feedback when using wireless mics in a Theater in the Round?

The biggest thing is going to be careful EQing and using microphones as close to the actor's mouthes and as directional as possible. Feedback occurs when the amount of amplification applied to the ...
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  • 8,091
5 votes

How much of an effect does gain structure have on feedback?

I'd say your basic tenet is sound, in so much as if it's too loud it will feed back - however, if there is a clearly-identifiable frequency at which the feedback occurs [assuming by that time you have ...
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  • 7,199
3 votes
Accepted

Feedback loop frequency

Do you mean in livesound situations? If so, it depends on soo many factors that it is impossible to give a average frequency range. But something i noticed when working with a band that only use in-...
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2 votes

Loud Whining Sound with Start/Stop of Audio

Old question, I know. Use an USB isolator like this: Less than 10 dollars on aliexpress. What it does: Isolate ground (lift ground) on the USB connection with isolated DC/DC converter to eliminate ...
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1 vote

Setting up Microphone to avoid feedback

Annie Lennox of the Eurhythmics quite famously recorded her vocals in the control room rather than the studio. This was done by using two techniques together. A dynamic mic with a high rejection to ...
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1 vote

Setting up Microphone to avoid feedback

a) Shotgun microphones perform best when cancelling off-axis planar wavefronts. In short, not indoors. They work best outdoors. b) You are obviously feeding-back your microphone signal into your ...
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  • 8,484
1 vote

How to create intentional audio feedback loops with level volume

I work with feedbacks as a creative tool every time. It's a powerful and very wide topic as it was said. There are some elements of the puzzle that needs to be tweaked VERY sensitive to achieve ...
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1 vote

How to create intentional audio feedback loops with level volume

There's two types of feedback - stable and unstable. Unstable feedback is when you get a constantly increasing signal level which cannot be controlled. Stable is when you have control over the level ...
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1 vote

Practical difference between channel gain, fader and amp gain

In theory there shouldn't really be any difference: Lets say you add some gain at the channel input, and reduce it equally by turning down the fader. Then there should be no difference. But preamps ...
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1 vote
Accepted

Loud Whining Sound with Start/Stop of Audio

have you checked your energy settings? in osx with my macbook this also happens because it wants to conserve energy. shutting down the audio is a way to save energy, on unbalanced audio lines you'll ...
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  • 2,906
1 vote

Why aren't all-pass filters used for rinnging out mics?

Well if your mic is static, point it away from the speakers and you should be good.....not meaning to dismiss your question but most real world situations call for vocal mics that are in constant ...
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1 vote

Feedback loop frequency

If you want to find the frequency as it happens, try this nice little freebie - Sonoma Feedback Detector No affiliation, I've just found it useful myself. Very rough guesses… below 200 Hz could be ...
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  • 7,199
1 vote

How much of an effect does gain structure have on feedback?

The basic tenet is sound, the difference is experience. Feedback occurs when a particularly frequency of a sound is loud enough out of a sound source (such as a monitor) that it is picked up by a ...
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  • 8,091
1 vote

How can I prevent feedback when using wireless mics in a Theater in the Round?

AJ is correct on all accounts. There are a couple more things I'd like to add: speaker placement, aim, and signal route. Since you have an arena theater setup, think about where to put your ...
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