Similar to reverb, delay uses echoes of the original sound blended in with that sound to create a decorative effect. Delay should be used purposefully and sparingly.

* A dry sound has less delay. A wet sound has more delay.

University of Michigan - Ann Arbor

**Reverb** and **delay** are effects that can add a sense of space and depth. To keep sound effects from becoming too prominent a part of an earcon’s sound, they should be used sparingly.

The more reverb and delay a sound has, the more **wet** the sound is as opposed to dry.

Effects of sound attributes

Material Design Documentation

**Reverb**, or **reverberation effect**, is an effect applied to sound that gives it more presence. When used subtly, it creates the effect of hearing a sound in a real-world environment.

* A dry sound has less reverb. A wet sound has more reverb.

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