---
title: kAudioQueueProperty_MaximumOutputPacketSize
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kaudioqueueproperty_maximumoutputpacketsize
---

# kAudioQueueProperty_MaximumOutputPacketSize

Value is a read-onlyUInt32 value that is the size, in bytes, of the largest single packet of data in the output format. Primarily useful when encoding VBR compressed data.

## Declaration

```swift
var kAudioQueueProperty_MaximumOutputPacketSize: AudioQueuePropertyID { get }
```

## See Also

### Constants

- [kAudioQueueDeviceProperty_NumberChannels](audiotoolbox/kaudioqueuedeviceproperty_numberchannels.md)
- [kAudioQueueDeviceProperty_SampleRate](audiotoolbox/kaudioqueuedeviceproperty_samplerate.md)
- [kAudioQueueProperty_ChannelLayout](audiotoolbox/kaudioqueueproperty_channellayout.md)
- [kAudioQueueProperty_ConverterError](audiotoolbox/kaudioqueueproperty_convertererror.md)
- [kAudioQueueProperty_CurrentDevice](audiotoolbox/kaudioqueueproperty_currentdevice.md)
- [kAudioQueueProperty_CurrentLevelMeter](audiotoolbox/kaudioqueueproperty_currentlevelmeter.md)
- [kAudioQueueProperty_CurrentLevelMeterDB](audiotoolbox/kaudioqueueproperty_currentlevelmeterdb.md)
- [kAudioQueueProperty_DecodeBufferSizeFrames](audiotoolbox/kaudioqueueproperty_decodebuffersizeframes.md)
- [kAudioQueueProperty_EnableLevelMetering](audiotoolbox/kaudioqueueproperty_enablelevelmetering.md)
- [kAudioQueueProperty_EnableTimePitch](audiotoolbox/kaudioqueueproperty_enabletimepitch.md)
- [kAudioQueueProperty_IsRunning](audiotoolbox/kaudioqueueproperty_isrunning.md)
- [kAudioQueueProperty_MagicCookie](audiotoolbox/kaudioqueueproperty_magiccookie.md)
- [kAudioQueueProperty_StreamDescription](audiotoolbox/kaudioqueueproperty_streamdescription.md)
- [kAudioQueueProperty_TimePitchAlgorithm](audiotoolbox/kaudioqueueproperty_timepitchalgorithm.md)
- [kAudioQueueProperty_TimePitchBypass](audiotoolbox/kaudioqueueproperty_timepitchbypass.md)