AfterEffects

Reverb effect

The Reverb effect simulates a spacious or acoustically live interior by simulating random reflections of a sound off a surface.

Reverb Time
The average time, in milliseconds, between the original audio and the reverberated audio.

Diffusion
Specifies how much the effect scatters the original audio. More diffusion can make the audio sound farther from the microphone.

Decay
Specifies the amount of time it takes for the effect to subside. A higher value simulates a larger space.

Brightness
Specifies the amount of detail preserved from the original audio. High brightness simulates a room with live (highly reflective) acoustics.

Dry Out, Wet Out
The amounts of the original (dry) sound and delayed (wet) sound in the final output. Values of 50% are commonly used.