---
title: kAudioConverterPropertyMinimumInputBufferSize
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kaudioconverterpropertyminimuminputbuffersize
---

# kAudioConverterPropertyMinimumInputBufferSize

A UInt32 value that indicates the size, in bytes, of the smallest buffer of input data that can be supplied via the audio converter input callback or as the input to the AudioConverterConvertBuffer(_:_:_:_:_:) function.

## Declaration

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

## See Also

### Constants

- [kAudioConverterPropertyMinimumOutputBufferSize](audiotoolbox/kaudioconverterpropertyminimumoutputbuffersize.md)
- [kAudioConverterPropertyMaximumInputBufferSize](audiotoolbox/kaudioconverterpropertymaximuminputbuffersize.md)
- [kAudioConverterPropertyMaximumInputPacketSize](audiotoolbox/kaudioconverterpropertymaximuminputpacketsize.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)