Tech & Innovation - March 28, 2025

The Dinosaur Choir: A Sonic Exploration of Dinosaur Vocal...

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The Dinosaur Choir is a unique musical instrument that reconstructs the vocal tract of a Corythosaurus, a type of duck-billed dinosaur. Users interact with the instrument by standing in front of a camera and blowing into a microphone, with the resulting sound resonating through a 3D model of the dinosaur's skull. The result is a sound that is more akin to a deep wail than the stereotypical dinosaur roar portrayed in popular media.

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The Journey to Creating the Dinosaur Choir

The idea for the Dinosaur Choir was born during a family road trip in 2011, when Brown visited a dinosaur museum and was intrigued by the crest on a Parasaurolophus skull. This led to the creation of her first project, Rawr! A Study in Sonic Skulls, which focused on the Corythosaurus. The Dinosaur Choir continues this work, examining how changes to the dinosaur's crest during its lifespan could have affected its vocalizations.

The Shift to a Computational Approach

The original project, Rawr!, required users to physically blow into a mouthpiece to create sound. However, this method was not hygienic for public exhibitions, particularly during the pandemic. This led Brown, who also holds a computer science degree, to shift to a more computational approach, resulting in the interactive, camera-and-microphone-based system of the Dinosaur Choir.

Recognition and Future Potential

The Dinosaur Choir was recently recognized at Georgia Tech's 2025 Guthman Musical Instrument Competition. The competition's chair, Jeff Albert, praised the project for its combination of scientific research and musical expression. The project's recognition signals the potential for further exploration in the intersection of music, science, and technology.

"As a musician, I felt empathy with them, like—OK, you were singers too." - Courtney Brown, on her initial inspiration from the crested dinosaurs.