On 20/02/2015 21:09, Rivoire David wrote:
And how can I do when I should record a true sound of trombone ? Because I am a trombonist player...
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Yes. Excuse my question, I'm not a trombone player, you can play chords with trombone? I think not... If I'm not wrong, you can instead use a pitch detection algorithm (i.e. Yin or some others implemented on PD) and use the estimation of the note played (ONE note), to generate a chord sequence based on a given musical key. For example, if you are in key Cmaj, and you play the note A with trombone, you can use PD to "generate" the chord Amin. A basic real-time ACE algorithm is not straightforward to implement.
Cheers