Re: WAV to MIDI conversion
By Dan Wilson
I missed the original message from Robbie Rhodes in AMD 95.11.01 quoted by dick@via.at (Claus Kucher), mentioning Artis Wodehouse's interest in "randomizing" :
> the timing of a heavily-edited piano roll performance in order to
> make it sound more like a live performance.
The only respectable ambition here must be to replicate from profound knowledge of Jelly Roll Morton's entire recording resource appropriate attack characteristics to be imposed on a modern performance based on over-edited piano rolls.
Randomization strikes me as a quite inappropriate approach. A person who has already been doing this in his own replications of Jelly Roll Morton recordings for over 15 years is pianist/roll arranger John Farrell who is entirely capable of playing a whole JRM piece end to end note for note from memory. He started in Jazzmaster days cutting his chords square, but things are different now on Hot Piano Classics.
Pianists develop attack styles as an integral part of their art and it is almost insulting to suggest that "naturalization" by random note attack variation would be an adequate representation of what they do. I have been slowly making rolls of lesser-known classical music, using records for artistic guidance, and the order in which notes are put down in a chord is crucial. In my case I have to gerrymander things to enable the Themodist "snakebite" system to bring out the note I want, but since I am trying to produce a generalized, optimum result I have to average between more than one performance. In practice, because I am a dowser (water-diviner who finds, and finds out, other things using the same technique) I usually arrive at an final attack pattern using dowsing - and after a few false starts, I haven't had to change a single one. The rolls sound like a pianist playing and not a machine. I'll predict that randomization will merely sound like a beginner.
Dan Wilson
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