All our documents are on this website. . The sources are all on GitHub

This page lists all the MetaRex documents available on our site. You can also access them from the menu on the left. Any problems with the site - you can raise an issue on GitHub by clicking the link at the bottom of any page.

NAB 2024 - see us at W1931 on the Signiant booth in the West Hall.

We are super grateful to be hosted on the Signiant booth at NAB 2024. You can see the preview of our demos as we complete them by clicking on the image below.

NAB 2024


What is the project? Where did it come from? What will it deliver?




MRX container overview

How does work under the hood?


How does work under the hood?


Why is MetaRex needed?


Current Status.



Reference Documents.


Tutorials coming soon.

Dawn Chorus Phase 2

The Dawn Chorus Phase 2 Specification

Dawn Chorus PoC

The Dawn Chorus Proof of Concept Specification

Dawn Chorus

The Dawn Chorus Collaborative Project

Free Software

What software can you expect from Metarex.

Backers - making it happen

How the Project is Funded.



Documents for running the project.

Support - Get Help!

What’s not working?

Terms of Service

How we do business.

Flow Diagram

How Metarex flows metadata

Contact - Join the project!

Share some metadata with us.

MRX container specification

A derivation of the MXF-Live specification to start the Metarex project. This version will be updated and edited as the project proceeds.

Backer & Partner List

Privacy Policy

How we collect and use some Personal Data from Website Users. Style guide

Colors, Fonts and images to help promote


The original MXF-Live specification as used in the mxf-live project.

Set up a meeting!

Set up an online meeting to chat.

About Metarex


IBC 2023 free stuff

IBC 2023 Summary


Timeline to deliver the Responsive Narrative Factory.

Last modified 2024-04-01