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# PHASEPushStreamNodeDefinition

A node that plays a sequence of audio buffers.

```
class PHASEPushStreamNodeDefinition
```

## Overview

Use this node to create sound events for a piecemeal audio source, for example, an audio stream that your app accesses over the network or loads from a memory-mapped file on disk.

> Note:
> To create a sound event for fully-loaded audio data instead, use ``doc://com.apple.phase/documentation/PHASE/PHASESamplerNodeDefinition``.

## Topics

### Creating a Node

[`-  initWithMixerDefinition:format:`](/documentation/PHASE/PHASEPushStreamNodeDefinition/init(mixerDefinition:format:))

Creates a node definition for audio streams.

[`-  initWithMixerDefinition:format:identifier:`](/documentation/PHASE/PHASEPushStreamNodeDefinition/init(mixerDefinition:format:identifier:))

Creates a named node definition for audio streams.

### Observing the Format

[`format`](/documentation/PHASE/PHASEPushStreamNodeDefinition/format)

The format of the audio stream data.

### Shaping Loudness

[`normalize`](/documentation/PHASE/PHASEPushStreamNodeDefinition/normalize)

An option that resizes loudness of the audio stream for consistency.

## Relationships

### Conforms To

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

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

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

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

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

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

### Inherits From

[`PHASEGeneratorNodeDefinition`](/documentation/PHASE/PHASEGeneratorNodeDefinition)

---

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