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.

Extend AB protocol to support sending Chord/Key-change information + Ableton Link equivalent

Ableton did something really great by releasing the Ableton-Link API spec.

But of course we need transport stuff too - and the best API for EVERYTHING would be just one standard for the lot.

But now we have ableton link - which is designed for multi-app syncing of tempo and bar-starts - the next level would be to be able to send chord/key change information to all the linked devices. This could be either just in real-time - or ahed of the next 1-beat.

Or maybe send several bars-worth of chord/change info - even the whole song - but with the difference that the set of chord changes can be updated at any time. So for example you could have one musician with an app - designated to set the chord changes for a while - and then hand over "conductor" duties to someone else - as the mood takes you.

One could even enhance this by having some standard API for specifying the genre. So via the protocol the "conductor" could tell everyone to go into 4/4 funk mode -"here are the chords" and then later shift to jazz-swing - "here are the chords" - and then funk etc...

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