TS EN 62261-2

TS EN 62261-2 addresses television metadata in the context of a key-length-value (KLV) data encoding protocol. In this model, each data item is carried with an identifier, a length field, and the actual value, which makes structured metadata easier to transport and interpret across television and imaging systems. It is a well-established way to package information so that different devices and software components can exchange metadata in a predictable form.

What KLV means in television metadata

In general technical use, KLV is a flexible encoding pattern that does not lock data into a single fixed layout. Instead, each element declares what it is, how long it is, and where it ends. That makes it especially useful in broadcast workflows, signal carriage, content management, and device-to-device communication, where receivers may need to parse known fields, ignore unfamiliar ones safely, and remain interoperable as systems evolve. In television metadata, this can support the transport of program descriptors, content markers, technical parameters, and workflow-related information.

The technical distinction this document is about

This listing is about the protocol used to decode television metadata carried in KLV form, so the focus is not the meaning of the content alone but how that content is separated and interpreted. The key identifies the field, the length defines its boundary, and the value carries the payload, which helps systems read metadata consistently across different implementations. That makes KLV-based protocols relevant wherever digital television, broadcast automation, and multi-system integration depend on reliable metadata interpretation.

Because this edition is withdrawn, it should be understood as an identified standard publication rather than an active current one. The underlying topic remains technically important: KLV is still a foundational concept for anyone working with structured metadata exchange in television and related media systems.