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# 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(_:_:_:_:_:)`](/documentation/AudioToolbox/AudioConverterConvertBuffer(_:_:_:_:_:)) function.

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

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