Clipping (audio)
Clipping is a form of waveform distortion that occurs when an amplifier is overdriven and attempts to deliver an output voltage or current beyond its maximum capability. Driving an amplifier into clipping may cause it to output power in excess of its published ratings.
Read more about Clipping (audio): Overview of Clipping, Effects of Clipping, Digital Clipping, Avoiding Clipping, Repairing A Clipped Signal, Sources of Clipping, Clipping Detection