---
title: Buffer size
framework: quicktime-file-format
role: symbol
role_heading: Data field
path: quicktime-file-format/bit_rate_atom/buffer_size
---

# Buffer size

A 32-bit unsigned integer that indicates the suggested size of the associated data buffer.

## See Also

### Data fields

- [Size](quicktime-file-format/bit_rate_atom/size.md)
- [Type](quicktime-file-format/bit_rate_atom/type.md)
- [Max bit rate](quicktime-file-format/bit_rate_atom/max_bit_rate.md)
- [Average bit rate](quicktime-file-format/bit_rate_atom/average_bit_rate.md)