(pronounced P-SIP) Acronym for Program and Systems Information
Protocol, is the ATSC standard for digital television channel naming,
numbering and navigation.
Program and System Information Protocol for Terrestrial Broadcast and Cable (PDF) This document defines a standard for System Information (SI) and Program Guide (PG) data compatible with digital multiplex bit streams constructed in accordance with ISO/IEC 13818-1 (MPEG-2 Systems). The document defines the standard protocol for transmission of the relevant data tables contained within packets carried in the transport stream multiplex. The protocol defined herein is referred to as Program and System Information Protocol (PSIP).
