How do I Convert Apple TV Video?

Apple TV is a device from Apple that enables consumers to distribute media including HD movies, music and photos from their computers to their HDTVs.  It can connect wirelessly to home networks and with a single HDMI cable to the HDTV. Apple TV supports the H.264 codec at various high-resolution and standard bitrates using the .m4v, .mp4, and .mov file formats.  It also supports a number of audio file formats including AAC, MP3, Apple Lossless, AIFF, WAV, and Dolby Digital 5.1 surround sound.