Will iTunes Look Bad On My TV?

[Fiffy]

Originally Posted by lgans316

My guess on why the audio bit rates are in this range is due to ARC limitation of 1 Mbps for audio.

The vast majority of ARC devices can only process 2-channel PCM and 5.1-channel AC3, so the currently used E-AC3 streams already don't work via ARC in most cases. But the ATV can transcode the audio output to AC3 in real time, so this shouldn't be a problem anyway.