---
title: Size
framework: quicktime-file-format
role: symbol
role_heading: Data field
path: quicktime-file-format/sound_media_information_header_atom/size
---

# Size

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

## See Also

### Data fields

- [Type](quicktime-file-format/sound_media_information_header_atom/type.md)
- [Version](quicktime-file-format/sound_media_information_header_atom/version.md)
- [Flags](quicktime-file-format/sound_media_information_header_atom/flags.md)
- [Balance](quicktime-file-format/sound_media_information_header_atom/balance.md)
- [Reserved](quicktime-file-format/sound_media_information_header_atom/reserved.md)