Original sentence: Most audio feedback results in a high-pitched squealing noise familiar to those who have listened to bands at house parties, and other locations where the sound setup is less than idealthis usually occurs when live microphones are pointed in the general direction of the output speakers
Edited sentence: Most audio feedback results in a high-pitched squealing noise familiar to those who have listened to bands at house parties, and other locations where the sound setup is less than ideal——this usually occurs when live microphones are pointed in the general direction of the output speakers