Home cinema systems are used to provide surround sound so you may be wondering where high definition would come into a home cinema system? Well most home cinema systems have a built in DVD player which will have to be able to play high definition DVD's in order to enjoy high definition quality when watching a DVD. You can of course use a separate DVD player but if you are buying a new home cinema system and do not have a high definition DVD player then a high definition home cinema system is what you should buy as it will have everything you need to enjoy high definition DVD playback. So see below for high definition home cinema systems including home cinema systems and projectors: