---
title: "Dolby Metadata Guide"
slug: "dolby-metadata-guide"
updated: 2024-12-19T11:21:31Z
published: 2024-12-19T11:21:31Z
canonical: "docs.telosalliance.com/dolby-metadata-guide"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.telosalliance.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Dolby Metadata Guide

Dolby® Digital and Dolby E are both data-rate reduction technologies that use metadata. Metadata is carried in the Dolby Digital or Dolby E bitstream, describing the encoded audio and conveying information that precisely controls downstream encoders and decoders. In normal operation, the encoded audio and metadata are carried together as a data stream on two regular digital audio channels (AES3, AES/EBU, or S/PDIF). Metadata can also be carried as a serial data stream between Dolby E and/or Dolby Digital equipment. Metadata allows content providers unprecedented control over how original program material is reproduced in the home.

For more information, please see the attached document below:

[18_Metadata.Guide.pdf](https://cdn.document360.io/57e3cd80-d493-453c-9672-ad1b043dadc3/Images/Documentation/18-metadata-guide.pdf?sv=2026-02-06&spr=https&st=2026-11-12T11%3A40%3A52Z&se=2026-11-12T12%3A40%3A52Z&sr=c&sp=r&sig=qJUR6zGbImAbNG0fMKiFwllm9WFKmlrDH%2Fm4QrNFBtU%3D)

If you have any questions, please reach out to us at techsupport@telosalliance.com.