Hello,

I'm trying to write a music-orientated Android app that makes use of
multiple notes played concurrently but I'm finding it frustrating
trying to make sense of the audio situation in the SDK.

My intent is to play tracks of user-sequenced notes, allowing for
multiple notes (within reasonable limits) to be played concurrently,
i.e. in what a normal person would call 'chords'.

MIDI is the obvious choice but I'm at a loss as to the optimal path to
take.

I attempted to use JetPlayer ( 
http://developer.android.com/reference/android/media/JetPlayer.html
) and got as far as creating a JET file with one segment and 12 Events
(of type 'TriggerClip', each representing a note in a MIDI track I
created consisting of A to G# in sequence) but gave up after I could
play the entire JET file using JetPlayer.play(), while
JetPlayer.triggerClip would always fail (EAS code -36, whatever that
is).

Does anyone here have experience using JetPlayer? Is my JET file not
set up properly for my purposes or is JetPlayer innappropriate for
this?

I don't mind creating the MIDI data programatically if need be (in
fact that might be quite nice), but so far I am lost as to what route
I should take, or if this is even currently feasible in the SDK code +
Dalvik.



Cheers,
Jason

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