Golden Ear: Sound Explorer
A free listening quiz with physics-computed instruments — and the free desktop plugin behind it, Imaginary Instruments.
Golden Ear: Sound Explorer
Free Android app. Test how finely you can hear differences between instruments computed live from physics — then play all 41 instruments yourself in Free Play.
Free on Google Play. Android 10 or later. English and Korean.
Get it on Google PlayImaginary Instruments
Free VST3 plugin for Windows and Linux. The same engine, in your DAW — plus MPE, MTS-ESP, Scala tuning, and royalty-free SFZ/SF2 sample packs for every instrument.
Get the plugin on GumroadWhat's actually making the sound
Every instrument here is computed live from a physical model, not recorded or sampled. Some are familiar builds; others are shapes with no real-world equivalent at all.