---
title: VZAudioInputStreamSource
framework: virtualization
role: symbol
role_heading: Class
path: virtualization/vzaudioinputstreamsource
---

# VZAudioInputStreamSource

The base class for an audio input stream source.

## Declaration

```swift
class VZAudioInputStreamSource
```

## Overview

Overview An audio input stream source defines how th guest produces audio input data on the host system. Don’t instantiate VZAudioInputStreamSource directly, use one of its subclasses such as VZHostAudioInputStreamSource instead.

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Inherited By

- [VZHostAudioInputStreamSource](virtualization/vzhostaudioinputstreamsource.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Audio streams

- [VZHostAudioOutputStreamSink](virtualization/vzhostaudiooutputstreamsink.md)
- [VZHostAudioInputStreamSource](virtualization/vzhostaudioinputstreamsource.md)
- [VZAudioOutputStreamSink](virtualization/vzaudiooutputstreamsink.md)