live sound: sound that is played live in a theatre.
recorded sound: sound that is pre - recorded
amplifier: used to boost power so that the sound can be heard louder
build: increase sound levels
check: decrease sound levels
cross-fade: bringing another sound state up to replace the current sound state while it's fading away
diegetic sound: sound heard by character's on stage + audience
floatmics: mics placed along the front of the stage
level: intensity of sound
non-diegetic sound: sound NOT heard by the actors (but heard by the audience) and designed to create mood / atmosphere /impact on the audience.
pan: to move sound from one place to another
functional sound design: practical sounds such as a gunshot that fits in with the action on stage
atmospheric sound design: using underscoring that may include music, or a pre-recorded soundscape.
incidental sound design: where sound can be used to cover moments of transition.
soundscape: sound that runs under a scene, to help establish the world of the play, to immerse the audience in that world or to heighten emotion. can be done with recorded sound or live sound
surround sound: any sound system where sound can appear to be all around the audience.
volume: the level of loudness at which a sound effect will be played