Acoustic feedback… the name will sound familiar to those in the music industry. Let’s have a look at its definition. It is the feedback of sound from a loudspeaker to a microphone. In a layman’s language, it is that annoying sound that comes out of the speaker and can be a source of a nuisance if not controlled properly. It may hamper with the output.
It is very relevant to control it during live performances, and it can spoil your performance.
The article discusses the ways on can keep the acoustic feedback at bay:
Avoid too much gain in a microphone
Too much gain in a microphone can give feedback a place to live. If you find yourself turning up the gain too high for a particular instrument or vocalist, it is time to reposition the microphone.
Use quality filters to correct the room response
Find the natural repose of the place using the real-time analyzer. Use the EQ to change the response and make it flat.
Position the Mic in the correct manner
Do not place them in pointedly at the floor monitors. Always keep it far from the monitors and also pay attention to its pickup pattern.
Keep it as close to its source
Hold the mic close to the source. Keeping it at a distance will make other sounds interfere with you want. So it may spoil the output.
Keep the speakers away from Microphones
Your stage mics should never be placed in front of the house speakers. To play it safe, keep them at the required distance.
Turn on the mics only when you need them
Live performances use ample of mics. For instance, if there are ten mics on the floor, and you only want 2-3 of them at a time, make sure you switch off others. An open mic is always on a look for a signal to pickup and response.
Cut out the frequencies you do not need
Cut down the frequencies you do not need or want. It will remove the frequencies that are interfering, with the sound, you want, and secondly it will boost the ones you need.
For the best outputs, pay attention to the above-mentioned things. The suggestions will help you keep unwanted feedbacks in your mix away.