---
title: kIOAudioStreamDirectionInput
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 13.0+, macOS 10.1+]
path: iokit/ioaudiostreamdirection/kioaudiostreamdirectioninput
---

# kIOAudioStreamDirectionInput

## Declaration

```occ
kIOAudioStreamDirectionInput = 1
```

## Discussion

Discussion Input buffer