---
title: updateMeters()
framework: avfaudio
role: symbol
role_heading: Instance Method
path: avfaudio/avaudioplayer/updatemeters()
---

# updateMeters()

Refreshes the average and peak power values for all channels of an audio player.

## Declaration

```swift
func updateMeters()
```

## See Also

### Managing audio-level metering

- [isMeteringEnabled](avfaudio/avaudioplayer/ismeteringenabled.md)
- [averagePower(forChannel:)](avfaudio/avaudioplayer/averagepower(forchannel:).md)
- [peakPower(forChannel:)](avfaudio/avaudioplayer/peakpower(forchannel:).md)