---
title: trailingFrames
framework: avfaudio
role: symbol
role_heading: Instance Property
path: avfaudio/avaudioconverterprimeinfo/trailingframes
---

# trailingFrames

The number of trailing input frames, past the end input frame, the converter requires to perform a high-quality conversion.

## Declaration

```swift
var trailingFrames: AVAudioFrameCount
```

## See Also

### Getting Frame Properties

- [leadingFrames](avfaudio/avaudioconverterprimeinfo/leadingframes.md)