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Show HN: Clef – spaced repetition for piano over MIDI(playclef.com)
6 points by danieldratschuk a day ago | 3 comments
NiloCK a day ago | parent | next [-]

Years ago I also did some experimentation w/ midi-device and SRS ( https://www.youtube.com/watch?v=a6tvHMvF8Mo ), where the focus was on ear-training rather than score-learning.

Clef seems to be a pretty strong attempt at a high difficulty UX. I've created an account and will be giving it a go. Wishing you luck, and thanks for sharing.

bkleinwort 21 hours ago | parent | prev [-]

What a great application of spaced-repetition! How do you determine _when_ to prompt again?

danieldratschuk 14 hours ago | parent [-]

Thanks! It's determined via the FSRS algorithm. It starts out with the average retention curve for flashcards, but then adjusts to you as it learns your patterns. In the future, as I have more data, the initial curve can be tuned for piano specifically (since muscle memory degrades differently than plain text).