---
title: Sound media information header atom
framework: quicktime-file-format
role: symbol
role_heading: Data field
path: quicktime-file-format/sound_media_information_atom/sound_media_information_header_atom
---

# Sound media information header atom

An atom that stores the sound media’s control information, such as balance.

## Overview

Overview See Sound media information header atom ('smhd').

## See Also

### Data fields

- [Size](quicktime-file-format/sound_media_information_atom/size.md)
- [Type](quicktime-file-format/sound_media_information_atom/type.md)
- [Handler reference atom](quicktime-file-format/sound_media_information_atom/handler_reference_atom.md)
- [Data information atom](quicktime-file-format/sound_media_information_atom/data_information_atom.md)
- [Sample table atom](quicktime-file-format/sound_media_information_atom/sample_table_atom.md)