Piano Transcriber: phone check

Checks this phone for the app: the engine (155 MB) on the GPU or CPU, the mic, and whether things stay saved. Keep the screen on while a test runs.

Engine: Edwards et al. 2024, "Data Augmentation for Robust Automatic Piano Transcription" (CC BY 4.0), with ByteDance's pedal part (Apache 2.0). Runtime: ONNX Runtime Web 1.22.0 (MIT). Test music: MAESTRO (Chopin, Étude Op. 10 No. 9; CC BY-NC-SA 4.0), for testing only. Nothing is uploaded: the page only downloads to this device.