← Part of: the AAF Bridge export guide
Ableton → Media Composer

How to get an Ableton Live session into Media Composer.

Avid is where AAF comes from — it reads the format more strictly than anything else. That makes it the best test of whether a hand-off was written properly.

Short answer: Convert your .als to AAF with AAF Bridge and bring it in through Media Composer’s AAF import. Named tracks, sample-accurate clips, crossfades, clip gain, volume and pan automation and a timecode track are written — and Media Composer is one of the two applications that actually display AAF markers.

Avid is the strict reader

AAF grew up in the Avid world, and Media Composer is the most demanding reader of the four targets — it expects particular descriptor details and is unforgiving about sloppy files. A hand-off that opens cleanly there is usually well formed everywhere.

Ableton Live, meanwhile, writes no AAF at all. AAF Bridge fills that gap; instruments and plugin chains still have to be printed in Live first, because no exchange format carries them.

Ableton to Media Composer, step by step

  1. Print what must be heard

    Freeze/flatten instruments and plugin chains in Live; consolidate warped clips (Cmd/Ctrl + J).

  2. Convert to AAF with a timecode track

    Choose Ableton → AAF / XML, deliver to AAF, and set the frame rate to the picture’s rate — Avid workflows lean on timecode.

  3. Collect the media

    Collect media next to AAF produces the single movable folder a facility hand-off wants.

  4. Import into Media Composer

    Bring the AAF in through Media Composer’s AAF import and link or copy the audio as your workflow requires.

  5. Check the report

    The plain-text report lists exactly what was written — useful evidence if the assistant editor asks.

Coming the other way? A Media Composer AAF opens in Live, MXF audio included — see Media Composer to Ableton.

What Media Composer receives

Not in any AAF: MIDI, instruments, plugins, sends and routing.

FAQ

Does Media Composer need MXF?

For its own media, yes — Avid works natively with MXF. An imported AAF can reference WAV audio; whether you link or copy on import is your call in the import dialog.

Will my Live locators show up?

Yes — they are written as real AAF markers, and Media Composer displays them. That is not true everywhere: Resolve and Premiere ignore AAF markers entirely.

Anything to watch with frame rates?

Set the timeline frame rate to the picture’s rate when converting, so the timecode track matches the cut. Audio placement itself is sample-based and doesn’t depend on it.

Try it on your own file first.

The free demo is the full app — it converts the first 120 seconds of any timeline, so you can check the result before spending anything. $49 one-time, no subscription, runs offline. macOS & Windows.

Download the free demo Back to the overview