---
title: availablePhysicalFormats
framework: Core Audio
role: symbol
role_heading: Instance Property
platforms: [macOS 15.0+]
path: coreaudio/audiohardwarestream/availablephysicalformats
---

# availablePhysicalFormats

An array of AudioStreamRangedDescriptions that describe the available data formats for the stream. The physical format refers to the data format in which the hardware for the owning device performs its IO transactions.

## Declaration

```swift
var availablePhysicalFormats: [AudioStreamRangedDescription] { get throws }
```
