Audiobus: Use your music apps together.

What is Audiobus?Audiobus is an award-winning music app for iPhone and iPad which lets you use your other music apps together. Chain effects on your favourite synth, run the output of apps or Audio Units into an app like GarageBand or Loopy, or select a different audio interface output for each app. Route MIDI between apps — drive a synth from a MIDI sequencer, or add an arpeggiator to your MIDI keyboard — or sync with your external MIDI gear. And control your entire setup from a MIDI controller.

Download on the App Store

Audiobus is the app that makes the rest of your setup better.

Polychord is on the bus!

edited March 2014 in General App Discussion



  • edited March 2014


  • Yes. Awesome app. There's another thread Sebastian posted on this a few days ago.

  • edited March 2014


  • I like it to. Interesting in the arrangements you can work, but I like it from a music theory perspective just as well.

  • edited March 2014


  • Can you lower the volume when playing through Virtual MIDI with other apps? Can't see that you can - the main volume control does nothing. Also, is anyone else getting a big buzz when they turn off the internal sounds? The workaround is to lower the volumes to zero, but I was wondering if it was just me experiencing this.

  • Thanks for all the interest everybody!

    Just wanted to let you know that there is a support email: [email protected], as well as a Facebook page:

    (This way any non-audiobus related support issues can get to the right place.)

    Regarding Michael's issue buzzing issue, this is a bug we didn't catch -- it's unrelated to Audiobus. Basically, the internal sound engine on/off switch isn't meant to be set while you're playing. It's like putting a car in reverse while you're driving. :)

    We'll work on a fix.

    In the meantime, make sure that all sounds have stopped before you kill the internal synth.

  • Thanks, @polychordapp! This is a great app.

  • Been playing with this app today. It's great. Easy to use, sounds awesome, lots of options, visually pleasing, didn't steal my girlfriend in grade 8, etc... Still a lot more testing for me to do but I had to stop by to say.. Great work @polychordapp! :-)

  • edited April 2013

    Hmmm, how do I assign palettes to the 5 Palette f-keys? This function doesn't seem to be working at all. I select a palette f-key, change the key to something I want and then save it. At this point I assumed it would be "in" that f-key whenever I select it, but that f-key goes back to the default chords for Polychord as soon as I hit another one and then try to go back. Is there a step I'm missing?

    I've also tried selecting an f-key and then loading one of my saved palettes. But again, as soon as I hit another f-key, I can't go back to the palette I've loaded.

  • You need to use a long press to save to the f-keys. That will save all the instrument settings, but I'm not sure that it saves the key.

  • Hi !!
    Do you know guys, if there's possibility to use all the sounds from sampletank in polychord ?
    Would be very interested in this combo
    Thanks by advance !

  • Thanks a lot JMSexton ! Very useful !!

  • @Vezinho - Np its def really helpful. In Sampletank you can change midi channel for each of the 4 instrument slots. On left below A, B, C, D click on "Parts" and in the top right corner of each of the 4 instrument squares and by clicking there it will change the channel for each instrument

  • I am going to buy polychord and try with sampletank, I will probably come back here to ask you things again...
    Thanks a lot once again !! (;O)

  • You can also assign a different instrument to the chord and strum. Just use different channels. For instance assign chord to channel 1 and strum to channel 2.

  • edited April 2013

    To add to what @mgmg4871 said you can also assign a drum kit in Sampletank to a midi channel for use in Polychord, as well as instruments for chord and strum. The correct channels are listed in the video I linked you to

    @mgmg4871 that's sort of what I meant but didn't do a good job of explaining it lol

  • @JMSexton After posting I saw that Ryan had made a video showing how to assign everything in Polychord to other apps. Here's the thread.

  • Lol I linked to it but it got pushed up pretty quick, so much conversation on the forum now some stuff gets lost but the more the better!

  • Here's a little jam from tonight. PolyChord controlling BM2 and out through Ampkit. 3 Guitars, 1 Bass and A drumkit. Guitars are all different versions of the Yamaha Pacifica, bass is a custom bass, the drums are @DerekBuddemeyer's StudioPop kit.. Although the drums get wrecked a little through ampkit.. still a cool sound i think :-)

  • Cool - I think I had forgotten that you can bend notes with the Polychord Strum!

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