This app uses the Core Audio AUGraph to render (aka export) audio faster than realtime from the supplied IMA4 encoded file.caf
file to an mpeg4 AAC encoded file.m4a
file.
- Use Xcode to build and install the app onto your iOS device
- Tap the button to see it run (note the console output as well)
Most of the work is done in the AudioFileRenderer.h/m
files.