Multitrack.create
Create a multichannel synthesizer with given number of channels and a function returning the synthesizer on each channel.
method play : Mm_midi.MIDI.Multitrack.buffer ->
int ->
Mm_audio.Audio.buffer ->
int ->
int ->
unit
Synthesize into an audio buffer.
method play_add : Mm_midi.MIDI.Multitrack.buffer ->
int ->
Mm_audio.Audio.buffer ->
int ->
int ->
unit
Same as play
but keeps data originally present in the buffer.