---
title: Timed metadata media
framework: quicktime-file-format
role: collectionGroup
path: quicktime-file-format/timed_metadata_media
---

# Timed metadata media

Store timed metadata in QuickTime movies with a track structure.

## Overview

Overview A track structure is used to store timed metadata in QuickTime movies. This section provides an overview of the timed metadata track structure, and describes the timed metadata sample descriptions and the storage format of timed metadata media samples. The timed metadata track structure has a media type of ‘meta’.

## Topics

### Storing timed metadata media

- [Overview of timed metadata](quicktime-file-format/overview_of_timed_metadata.md)
- [Timed metadata sample description](quicktime-file-format/timed_metadata_sample_descriptions.md)
- [Timed metadata sample data format](quicktime-file-format/timed_metadata_sample_data_format.md)
- [Constant-size timed metadata sample data](quicktime-file-format/constant-size_timed_metadata_sample_data.md)
- [Combining multiple streams of metadata into the same track](quicktime-file-format/combining_multiple_streams_of_metadata_into_the_same_track.md)
- [Movie-level relationships among tracks](quicktime-file-format/movie-level_relationships_among_tracks.md)

## See Also

### Time-specific media

- [Timecode media](quicktime-file-format/timecode_media.md)