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Understand GarageBand Effects > Dynamic Effects

Dynamic Effects

Dynamic effects include limiters, compressors, and gates. They alter the loudness of a source signal: limiters and compressors even out the differences between the loud and soft parts; gates block sound below a certain threshold and are most often used to control noise or hum.

Limiters

Limiters help avoid clipping, or signal overload, which can cause digital distortion. Limiters smooth out peaks above a certain threshold, and can help tame sounds such as drums and aggressive guitar parts. The cool thing about limiters is that they allow you to make a track louder without setting off the clipping indicators; however, applying a limiter too aggressively can make a track sound artificial (or like a small child playing with a stereo’s volume knob).


  

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