FireFly Media Server (formerly mt-daapd) › Firefly Media Server Forums › Firefly Media Server › Setup Issues › certain file extensions not found by firefly › Reply To: certain file extensions not found by firefly
Yes, .aa files are supported by iTunes. It’s a proprietary Audible DRM capable container, which might contain ACELP or MP3 codec content. Firefly does not have the ability to parse .aa files itself currently…
In the Apple/iPod world, Apple’s .m4b (with AAC codec content) is far more common.