Beatmaker driving StepPolyArp -- need help getting it to work

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I'm using Beatmaker 2 to sequence other apps (through virtual MIDI) and instruments. I'd like to record a series of notes in BM2 and send them to StepPolyArp for arpeggiation. StepPolyArp would then send them to a hardware synth, another virtual MIDI synth on the iPad, or (even, maybe) back to another track in Beatmaker, to record the arpeggiated notes. (Why? Two reasons: once I have the arpeggiated notes in Beatmaker, I don't need StepPolyArp for this song anymore. Saves iPad resources; or, I can move the song to my iPod Touch and work on it there. Beatmaker 2 runs on the iPod 4G, but StepPolyArp doesn't.)

In theory, all of this should work. But for some reason, I can't make Beatmaker send notes to StepPolyArp. It can play arpeggiated notes, if played on StepPolyArp's own keyboard, but if I play a note on one of the Beatmaker keyboards, it doesn't go to StepPolyArp.

Has anyone been able to make this work? I've been using Beatmaker to sequence Magellan fine, but after a couple hours of trying to make it work with StepPolyArp, I'm flummoxed.

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I've been emailing with StepPolyArp's developer. It doesn't work now, but it will with version 2.0, a free update. Meanwhile, you can make it work with MidiBridge. In MidiBridge, connect MidiBridge to MidiBridge; do no more. In Beatmaker, set MIDI in to whatever you're using for input (I'm using a USB MIDI interface, which is hooked up to a couple of hardware synths), and MIDI out to MidiBridge. In StepPolyArp, set MIDI in to MidiBridge and out to...whatever app or hardware is actually making the sound.

I'm sending my output to the USB MIDI interface, where it is feeding one of the hardware synths.

I haven't tested it yet, but I'm guessing that I could also send the arpeggiated signal back to record in Beatmaker, so long as I output on a different MIDI channel number. If you try this, make sure that you set your Beatmaker recording track to input the same channel number.

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dswo wrote:I haven't tested it yet, but I'm guessing that I could also send the arpeggiated signal back to record in Beatmaker, so long as I output on a different MIDI channel number. If you try this, make sure that you set your Beatmaker recording track to input the same channel number.
I tested this yesterday: it works just fine.

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This sounds cool. I'm also excited steppolyarp is finally getting an update. It's probably my best arp, hardware,software, iOS, or otherwise!

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