A TP format is a BTTS (Beyond TV Transport Stream) file. In simple terms, it’s a transport stream for sending MPEG-2 or MPEG-1 data over the internet or using a cable. TP files are recorded using TV recorders like Dvico TViX and can open on popular programs like Apple QuickTime and Windows Media Player.
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