---
title: prefersEchoCancelledInput
framework: avfaudio
role: symbol
role_heading: Instance Property
path: avfaudio/avaudiosession/prefersechocancelledinput
---

# prefersEchoCancelledInput

A Boolean value that indicates the audio session’s preference for using an echo-canceled input.

## Declaration

```swift
var prefersEchoCancelledInput: Bool { get }
```

## See Also

### Configuring echo cancellation

- [isEchoCancelledInputAvailable](avfaudio/avaudiosession/isechocancelledinputavailable.md)
- [isEchoCancelledInputEnabled](avfaudio/avaudiosession/isechocancelledinputenabled.md)
- [setPrefersEchoCancelledInput(_:)](avfaudio/avaudiosession/setprefersechocancelledinput(_:).md)