PSP develops high quality audio effect and processor plug-ins. Our products garner rave reviews and endorsements from every corner of the music production, engineering, composition, and post-production worlds.  Our  plug-ins have become staples in professional and home studios worldwide.  Our credo explains our simple philosophy: It's The Sound That Counts!

I just integrated the new PSP L’otary plug-in to the film score for the movie Chappie. It was a perfect blend of authentic and creatively flexible. It added so much to my mix. I even used it on percussion. Great new tool that does something that no other plugin I have does.

Alan Meyerson, Grammy Winning scoring mixer
Dark Knight, Gladiator, Shrek, King Kong, Sin City, the Pirates of the Caribbean ...