The most common type of receiver

The most common type of receiver of a best home theatre systems -5.1-channel models- decode the audio information contained in Dolby Digital and DTS soundtracks and route them to front left and right, center, and surround speakers in your system via their five built-in amplifier channels.If the speakers are what you hear and the TV is what you see in a home theater system, then it will stand to reason that at the core of these systems has to be something, and that something is an audio and video receiver. These receivers are in large part the reason why your sound is either fantastic or super lousy.The other thing to look for is HDMI inputs and outputs. HDMI connections are the premier format for transferring the highest quality audio as well as video signals, which is extremely important with high definition video and audio being all the rage these days.