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.
AU is an audio format standard in early web pages NEXT systems. It is also called u-law or Sparc-audio format. Typically, AU files can store audio data and annotation blocks. Initially, it was a headerless audio format, but newer versions have a header, thanks to the six unsigned 32.bit words.