January 9, 2011 at 8:25 PM
The software got upset by the table, and the rest of the post was lost, so I'll try again.
The idea is that the total time needed to learn a piece is its duration multiplied by its difficulty. A spreadsheet is used to compute the remaining practice time, and to adapt the estimated difficulty to effort spent and progress gained.
"Progress" reflects my gut feeling: is the piece coming along?
A piece's difficulty factor is computed as (time spent practicing)/(the piece's duration * progress). The time still needed to finish learning the piece then becomes (the piece's duration * its difficulty factor * (1 - progress)).
The numbers aren't realistic yet. Learn an Ysaÿe sonata in just a few minutes a day? In my dreams! But that will improve by itself, as long as I log my practice times and learn how far a piece has really progressed.
I'm curious: do you all find this useful, or just a little crazy? (I think it's both)
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