IEC 62261-2 pdf download Television METADATA – Part 2: Data encoding protocol using key-length-value This part of lEC 62261 defines an octet-level data encoding protocol for representing dataitems and data groups.This protocol defines a data structure which is independent of theapplication or transportation method used. The standard defines a key-length-value (KLV) triplet as a data interchange protocol for dataitems where...