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Eigendrum
Draw any shape and hear what it would sound like as a drum
Draw any closed shape and Eigendrum solves the real physics: the Laplacian eigenvalue problem for a drumhead clamped at that exact outline, using finite elements, then synthesizes the actual frequencies. No sampled sounds, no faked overtones. Draw a circle and the overtones are ratios of Bessel zeros, because that's what a circle actually does. Includes the Gordon-Webb-Wolpert isospectral pair: two different shapes proven to sound identical. No account, no backend, runs from a single HTML file.
Top comment
Eigendrum hit #6 on Hacker News front page and #1 on r/InternetIsBeautiful! An interactive visualization and audio exploration of drum eigenmodes.
About Eigendrum on Product Hunt
“Draw any shape and hear what it would sound like as a drum”
Eigendrum was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #13 on the daily leaderboard. Draw any closed shape and Eigendrum solves the real physics: the Laplacian eigenvalue problem for a drumhead clamped at that exact outline, using finite elements, then synthesizes the actual frequencies. No sampled sounds, no faked overtones. Draw a circle and the overtones are ratios of Bessel zeros, because that's what a circle actually does. Includes the Gordon-Webb-Wolpert isospectral pair: two different shapes proven to sound identical. No account, no backend, runs from a single HTML file.
On the analytics side, Eigendrum competes within Music, GitHub, Tech and Audio — topics that collectively have 727.1k followers on Product Hunt. The dashboard above tracks how Eigendrum performed against the three products that launched closest to it on the same day.
Who hunted Eigendrum?
Eigendrum was hunted by Basel Ashraf. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Eigendrum including community comment highlights and product details, visit the product overview.