Hi Chaochi -

If you are talking about realtime input, some experimentation with
STFT Resythesis (Phase Vocoder unit generators)
http://www.csounds.com/manual/html/SiggenStft.html

and the pitchamdf ugen
http://www.csounds.com/manual/html/pitchamdf.html

will yield interesting results. I started playing with this awhile
back for the same reason, but it led me in another direction and I
never finished what I started ;)  Let us know how it goes!

ps - if you are talking about midi, it's (relatively) easy to read
note-ons with the midi opcodes, and deduce what's been 'inputted'.

b

On 2/13/06, Chaochi Chang <chaochichang@gmail.com> wrote:
>
> Hi
> I am trying to extract the individual notes from a chord/harmony when
> any melody is inputted. Are there any opcode can help me to achieve
> this goal? Thanks.
>
> Chaochi
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