AppleTV typically streams the music directly from PodcastMachine to the builtin Itunes musicstore in AppleTV. To be certain that this streaming performs well, we have decided to use 128kb AAC format with appleTV and iphone RSS feeds.

The normal 'aac' format is more often used for normal downloading, and there are no 'streaming issues'. In this case we have decided that acc should select the best possible AAC variant - which can be as high as a 256kbit aac format.