Colossus is a high definition video recorder for making real-time H.264 compressed recordings at resolutions up to 1080i. HD PVR records component video (YCrCb) from video game consoles and cable TV and satellite set top boxes, with a built-in IR blaster to automatically change TV channels for scheduled recordings.Colossus also has an HDMI input port, so you can record HD video at up to 1080i from an un-encrypted HDMI source. Audio is recorded using two channel stereo or optical audio with five channel Dolby Digital.