Hello fellow musicians,

I have a question that I feel should be pretty simple but I haven't been able to find a solution. I am preparing an opera and I have written my bass parts and the piano as two separate channels in a midi file (with Aria Maestosa).

Now I would like to put the piano channel in my right ear and the bass channel in my left ear.

I know this is possible because I've seen it here http://www.cyberbass.com/Opera/Bizet/bizet_carmen.htm

My target is MP3 files, so I don't mind if MIDI doesn't support mono channels and if this can only be done at export to mp3 time.

Thank you very much

1 Answer 1


The MIDI specification defines controller 10 as pan. Set it to the minimum in one channel and to the maximum in the other channel.

  • That doesn't entirely cut off the sound in the other ear but it should be good enough thank you I didn't know this "pan" term.
    – Lliane
    Commented Mar 13, 2017 at 15:26

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