What is "raucousness"

Usage examples of "raucousness".

Groundbugs filled the roadway, pedestrians the sidewalks, a sailor, a pilot, a raftman, a fisher, a hunter, a farmer, a whore, a secretary, a drunk about to collapse, another drunk getting belligerent at a monitor, a man gaunt and hairy and ragged who stood on a corner and shouted of some obscure salvation, endless human seething, shrilling, chattering, through engine rumble, foot shuffle, raucousness blared out of loudspeakers.

I ventured halfway into the room, was hit by a blast of raucousness that jangled every nerve, and, totally turned off, retreated to the relative tranquility of the checkroom alcove.