Male voice - Crowd - Military - "Sir yes sir!"
Medium mixed crowd of students whisper and fidget in chairs. Small wooden creaks.
Large mixed crowd laugh. Small burst, followed by larger eruption of laughter, then applause.
Group of fifty people talking, interior, muted, UK English
Group of men shout, "Happy birthday"
Small to medium sized crowd. Short small burst of appreciative laughter
Medium sized mixed crowd. Short, hard, burst of group laughter. Quite funny.
Murmur Adolescent Girls small group
Riot style shouts and yells, with burning in the background and chain rattles.