Some models also play laserdiscs and most play regular audio CDs.
Availability of the software in this format is starting to increase. If you want multi-channel music, look for discs that feature Dolby Digital or DTS 5.1 digital surround soundtracks. DTS soundtracks have been available on laserdiscs for the past couple of years, and now the number of DVD titles with a DTS soundtrack is increasing. Audio outputs - The quality of the audio outputs helps determine the quality of DVD sound. All DVD-video players support surround sound.