Simple Feedback Trainer is a nice tool for folks doing live sound to help recognize and correct the frequencies causing feedback. The tool provides a nice mixing desk graphic interface and plays a tone of a random frequency which you have to correct in as few guesses as possible. It’s a very simple idea which
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Digital Room Equalization
Those of us that have set up a PA system for a gig (or watched on as another engineer did the same) are probably familiar with the principle of equalizing the room. The basic principle is to use a graphic equalizer to adjust the output of the PA to counteract the notches and boosts in
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