AC3 is an audio format designed by Dolby Digital to offer surround sound listening. This format is available on most Blu-ray and DVD media files and is played using a Dolby Digital DVD Player. Interestingly, AC3 can be output in up to six speakers of a home stereo system. On a computer, AC3 can be opened on VLC Media Player, Apple QuickTime Player, and Windows Media Player.
VLC Media Player Apple QuickTime Player Windows Media Player
TS (Transport Stream) is a digital video format for saving video data on a DVD. It uses MPEG-2 compression on its video data, and the files come with a VIDE0_TS directory. TS files are straightforward on most computer video editing programs and media players.
Apple DVD Player VLC Media Player PotPlayer Audials One 2019, Roxio Popcorn