---
title: minFrameDuration
framework: coremediaio
role: symbol
role_heading: Instance Property
path: coremediaio/cmioextensionstreamformat/minframeduration
---

# minFrameDuration

The minimum frame duration a stream supports.

## Declaration

```swift
var minFrameDuration: CMTime { get }
```

## See Also

### Configuring Frame Durations

- [maxFrameDuration](coremediaio/cmioextensionstreamformat/maxframeduration.md)
- [validFrameDurations](coremediaio/cmioextensionstreamformat/validframedurations-707st.md)