pd36. The freeverb~ object in Pure Data

Reverb of a signal can be obtained by using the freeverb~ object. It has defaults for how echoes are added in the simulation of a room.

Additionally, you can send messages, such as roomsize and damping. Here, we send it the wet message, using a control-rate line.

It is important to know the difference between audio rate line (line~) and control rate line (line). Control rate signals can change at a smaller rate than audio rate.

This shows the effect of the audio as wet is changed: