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# AVAudioUnitGenerator

An object that generates audio output.

```
class AVAudioUnitGenerator
```

## Overview

A generator represents an <doc://com.apple.documentation/documentation/AudioToolbox/AudioUnit> of type `kAudioUnitType_Generator` or `kAudioUnitType_RemoteGenerator`. A generator has no audio input, but produces audio output. An example is a tone generator.

## Topics

### Creating an audio unit generator

[`-  initWithAudioComponentDescription:`](/documentation/AVFAudio/AVAudioUnitGenerator/init(audioComponentDescription:))

Creates a generator audio unit with the specified description.

### Getting and setting the bypass status

[`bypass`](/documentation/AVFAudio/AVAudioUnitGenerator/bypass)

The bypass state of the audio unit.

## Relationships

### Conforms To

[`AVAudioStereoMixing`](/documentation/AVFAudio/AVAudioStereoMixing)

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

[`AVAudio3DMixing`](/documentation/AVFAudio/AVAudio3DMixing)

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

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

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

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

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

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

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

[`AVAudioMixing`](/documentation/AVFAudio/AVAudioMixing)

### Inherits From

[`AVAudioUnit`](/documentation/AVFAudio/AVAudioUnit)

---

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