Re. WAV to MIDI: Rattling Cages
By Claus Kucher
Karl A. Petersen <kap@firedragon.com> wrote about (email addresses for) persons active in WAV->MIDI fields ... good idea! (Karl please put the guy below on your list).
This is what I found today (no time to check out the web-page):
> Paul J Walmsley <pjw42@eng.cam.ac.uk> writes:
>
>> In the great WAV->MIDI debate everyone has been focussing on the Fourier
>> Transform side of things; as has been mentioned, the Heisenberg
>> uncertainty principle comes into play a bit with time/frequency
>> trade-offs. No-one has really mentioned anything about building models
>> of musical extracts; for example, musical signals are known to be
>> reasonably stationary over a period of around 25ms, which opens the door
>> to autoregressive modelling, amongst other techniques.
>
>> I am researching this very topic for my PhD, and I would welcome any
>> comments or suggestions from people who have tried different methods.
>> Also no-one has mentioned Musical & Harmonic Wavelets which may have a
>> bit of mileage in them for solving the WAV->MIDI problem; I can root
>> out the reference of the paper if anyone's interested.
>
>> Paul Walmsley
>
>> Signal Processing and Communications Laboratory
>> Cambridge University Engineering Department
>> pwalmsley@iee.org
>> http://www2.eng.cam.ac.uk/~pjw42
Claus Kucher
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(Message sent Thu 14 Nov 1996, 12:44:15 GMT, from time zone GMT+0100.) |
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