---
title: contentSource
framework: avfaudio
role: symbol
role_heading: Instance Property
path: avfaudio/avaudioconverter/contentsource
---

# contentSource

## Declaration

```swift
var contentSource: AVAudioContentSource { get set }
```

## Discussion

Discussion Index to select a pre-defined content source type that describes the content type and how it was generated.  Note: This is only supported when compressing audio to formats which support it.

## See Also

### Managing packet dependencies

- [audioSyncPacketFrequency](avfaudio/avaudioconverter/audiosyncpacketfrequency.md)
- [AVAudioContentSource](avfaudio/avaudiocontentsource.md)
- [dynamicRangeControlConfiguration](avfaudio/avaudioconverter/dynamicrangecontrolconfiguration.md)
- [AVAudioDynamicRangeControlConfiguration](avfaudio/avaudiodynamicrangecontrolconfiguration.md)