ADM Renderer for use in NGA Broadcasting

EBU Tech 3388

This document describes the EBU ADM Renderer (EAR) - an audio renderer providing a complete interpretation of the Audio Definition Model (ADM).

Open file (pdf, 2.3 MB)

Usage of ADM metadata is recommended to describe audio formats used in programme production for Next-Generation Audio (NGA) systems, also known as Advanced Sound Systems. The EBU ADM Renderer is capable of rendering audio signals to all reproduction systems specified in Recommendation ITU-R BS.2051 “Advanced sound system for programme production”.

The specification is accompanied by an open source reference implementation, written in Python for file-based ADM processing, available at