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# VZAudioOutputStreamSink

The base class for an audio output stream sink.

```
class VZAudioOutputStreamSink
```

## Overview

An audio output stream sink defines how the host system consumes audio data from a guest.

Don’t instantiate `VZAudioOutputStreamSink` directly, use one of its subclasses, such as [`VZHostAudioOutputStreamSink`](/documentation/Virtualization/VZHostAudioOutputStreamSink) instead.

## Relationships

### Conforms To

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

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

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

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

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

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

### Inherits From

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

### Inherited By

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

---

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