---
title: kAudioConverterPropertyMaximumInputPacketSize
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kaudioconverterpropertymaximuminputpacketsize
---

# kAudioConverterPropertyMaximumInputPacketSize

A UInt32 value that indicates the size, in bytes, of the largest single packet of data in the input format. This is mostly useful for variable bit rate compressed data (decoders).

## Declaration

```swift
var kAudioConverterPropertyMaximumInputPacketSize: AudioConverterPropertyID { get }
```

## See Also

### Constants

- [kAudioConverterPropertyMinimumInputBufferSize](audiotoolbox/kaudioconverterpropertyminimuminputbuffersize.md)
- [kAudioConverterPropertyMinimumOutputBufferSize](audiotoolbox/kaudioconverterpropertyminimumoutputbuffersize.md)
- [kAudioConverterPropertyMaximumInputBufferSize](audiotoolbox/kaudioconverterpropertymaximuminputbuffersize.md)
- [kAudioConverterPropertyMaximumOutputPacketSize](audiotoolbox/kaudioconverterpropertymaximumoutputpacketsize.md)
- [kAudioConverterPropertyCalculateInputBufferSize](audiotoolbox/kaudioconverterpropertycalculateinputbuffersize.md)
- [kAudioConverterPropertyCalculateOutputBufferSize](audiotoolbox/kaudioconverterpropertycalculateoutputbuffersize.md)
- [kAudioConverterPropertyInputCodecParameters](audiotoolbox/kaudioconverterpropertyinputcodecparameters.md)
- [kAudioConverterPropertyOutputCodecParameters](audiotoolbox/kaudioconverterpropertyoutputcodecparameters.md)
- [kAudioConverterSampleRateConverterAlgorithm](audiotoolbox/kaudioconvertersamplerateconverteralgorithm.md)
- [kAudioConverterSampleRateConverterComplexity](audiotoolbox/kaudioconvertersamplerateconvertercomplexity.md)
- [kAudioConverterSampleRateConverterQuality](audiotoolbox/kaudioconvertersamplerateconverterquality.md)
- [kAudioConverterSampleRateConverterInitialPhase](audiotoolbox/kaudioconvertersamplerateconverterinitialphase.md)
- [kAudioConverterCodecQuality](audiotoolbox/kaudioconvertercodecquality.md)
- [kAudioConverterPrimeMethod](audiotoolbox/kaudioconverterprimemethod.md)
- [kAudioConverterPrimeInfo](audiotoolbox/kaudioconverterprimeinfo.md)