The Protoverb plugin, developed by u-he, is an experimental reverb effect designed to simulate complex and unique spaces. It uses a combination of algorithmic and physical modeling techniques to create reverb effects with unconventional characteristics, providing a distinctive sound compared to traditional reverbs. Protoverb allows for extensive customization, including control over room size, decay, and diffusion, enabling users to craft unusual and creative spatial effects. Its innovative approach makes it a versatile tool for adding character and depth to audio tracks.