<!--
{
  "availability" : [

  ],
  "documentType" : "symbol",
  "framework" : "quicktime-file-format",
  "identifier" : "/documentation/quicktime-file-format/Text_media_information_atom",
  "metadataVersion" : "0.1.0",
  "role" : "Atom",
  "symbol" : {
    "kind" : "Atom",
    "modules" : [
      "QuickTime File Format"
    ],
    "preciseIdentifier" : "__docc_universal_symbol_reference_$Text_media_information_atom"
  },
  "title" : "Text media information atom ('text')"
}
-->

# Text media information atom ('text')

An atom that contains information about text media.

## Overview

The text media also requires a text media information atom. This media information atom is stored in a base media information atom (`'minf'`) in the base media information header atom (`'gmhd'`) (see [`Base media information atom`](/documentation/quicktime-file-format/Base_media_information_atom)). The type of the text media information atom is `'text'`.

## Topics

### Data fields

[`Size`](/documentation/quicktime-file-format/Text_media_information_atom/Size)

A 32-bit integer that specifies the number of bytes in this text media information atom.

[`Type`](/documentation/quicktime-file-format/Text_media_information_atom/Type)

A 32-bit integer that identifies the atom type.

[`Matrix structure`](/documentation/quicktime-file-format/Text_media_information_atom/Matrix_structure)

A matrix structure associated with this text media.



---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)