Science and Research Content

The Language Metadata Table to Be Updated -


The Language Metadata Table (LMT) is an open-source table of language metadata codes geared toward the broadcast and entertainment industries. Launched in July 2018 and sponsored by the members of the Media & Entertainment Services Alliance (MESA), version 3.1 of the LMT is set to be released sometime in this quarter.

LMT started at HBO with 128 languages initially. The first version was presented at a MESA event in New York City in 2018, and subsequently, it was made available to the entire industry. MESA published LMT v1.0 and is now set to release v3.1

The three-pronged mission of the LMT is to create a standardized table of language codes for implementation by entertainment and other industries using IETF BCP 47; facilitate efficient and consistent LMT usage through best practices, and extend LMT code values through vetted field definitions and approved language code values.

LMT provides standardized language codes for use throughout the media and entertainment industry. It includes codes for, audio and timed-text for content; visual or written languages; rights and licensing localization; distribution territories; and accessibility for the visually and hearing impaired. Furthermore, LMT offers the capability to have standardized distinctions between spoken and written languages.

Use cases, meanwhile, include licensing international content, distributing non-English content; accessibility requirements; and end-user localization preferences. Currently, the focus is on language metadata for text and the audio. It is expected that the LMT 3.1 version will include more than 200 languages.

Click here to read the original article published by The Media & Entertainment Services Alliance (MESA).

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