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Some acronyms being used by enthusiasts are listed below. These are useful to know while doing research on the subject.Some terms and acronyms being used by enthusiasts are listed below. These are useful to know while doing research on the subject.*STB - Set Top Box* DVR - Digital Video Recorder*IPTV - requires pain subscription to an IPTV service provider network.* PVR - Personal Video Recorder*Net Top -* STB - Set Top Box* IPTV - requires pain subscription to an IPTV service provider network.* Net Top -