Migrate Articulate Presenter 13 Content to Adobe Presenter 10

We need to migrate our current library of ~150 modules (approx. 10 mins each) authored in Articulate Presenter 13 over to Adobe Presenter 10 and I'm not sure the best way to go about synching the animations and narrations. The animations are all "OnClick" in PPT, and are synchronized in Articulate Presenter with the Sync Audio feature, but the audio files are not available as I believe they are within the proprietary .ppta file.

Here's what I've tried...

• Publish Articulate Presenter 13 for web
• Rename published mp3 files to correspond with slide numbers
• Open the PPTX file in Adobe Presenter
• Import renamed mp3 files that correspond with the slide numbers
• Re-sync animations in Adobe Presenter

This is obviously quite tedious and time intensive, and I need to see about other means of synching animations.

Questions

• Is there another way to synch the animations?
  • I could take the On Click in the Animations pane in PPT and change them to After Previous
    • Need to know the timing in seconds
      • Not easily discerned in the audio editor in Articulate Presenter
• What happens to the audio after I've imported an MP3, which is already compressed and then publish in Adobe Presenter?
  • Is it further compressed or does it maintain the same audio quality as when I brought it in?

Thanks in advance!