Velociraptor Resonation Chamber Dimension : 22x9x7cm Popular misconception initiated by the Jurassic Park franchise was the concept of the “Velociraptor resonating chamber.” In Jurassic Park III, the protagonists search for a “Velociraptor resonating chamber” that allows them to communicate with the Velociraptor pack. If such a chamber existed, it would only amplify the sound (auditory vibrations that travel through the air) made by dinosaurs, not modify its timbre (the tone quality of a sound) or pitch (a measure of how high or low a sound is), which would not allow humans to imitate Velociraptor sounds as shown in the movie. In other words, it would not work like a giant duck call