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
FLV (Flash Video) is a video container format developed by Adobe Systems and comes with a .flv filename format. FLV is primarily used to stream audio, video, and text data such as subtitles. It supports MPEG-4 Part 10 (H.264) video codec and AAC sound.
RealPlayer, Apple QuicTime Player
VLC Media Player