---
title: Preload start time
framework: quicktime-file-format
role: symbol
role_heading: Data field
path: quicktime-file-format/track_load_settings_atom/preload_start_time
---

# Preload start time

A 32-bit integer specifying the starting time, in the movie’s time coordinate system, of a segment of the track that is to be preloaded.

## Overview

Overview Used in conjunction with the preload duration.

## See Also

### Data fields

- [Size](quicktime-file-format/track_load_settings_atom/size.md)
- [Type](quicktime-file-format/track_load_settings_atom/type.md)
- [Preload duration](quicktime-file-format/track_load_settings_atom/preload_duration.md)
- [Preload flags](quicktime-file-format/track_load_settings_atom/preload_flags.md)
- [Default hints](quicktime-file-format/track_load_settings_atom/default_hints.md)