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# VZAudioInputStreamSource

The base class for an audio input stream source.

```
class VZAudioInputStreamSource
```

## 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`](/documentation/Virtualization/VZHostAudioInputStreamSource) instead.

## Relationships

### Inherited By

[`VZHostAudioInputStreamSource`](/documentation/Virtualization/VZHostAudioInputStreamSource)

### Inherits From

[`NSObject-swift.class`](/documentation/ObjectiveC/NSObject-swift.class)

### Conforms To

[`CVarArg`](/documentation/Swift/CVarArg)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

[`Hashable`](/documentation/Swift/Hashable)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`Equatable`](/documentation/Swift/Equatable)

---

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