---
name: "graphaudio"
section: "4"
platform: "openbsd"
package: "man"
version: "8.0-current-20261101"
release: "OpenBSD 8.0-current (2026-11-01)"
platforms: ["openbsd"]
url: "https://new.carta.tech/graphaudio"
---

# graphaudio(4)

audio graph card

## NAME

**graphaudio** – audio graph card

## SYNOPSIS

**graphaudio\* at fdt?** **audio\* at graphaudio?**

## DESCRIPTION

**graphaudio** is a generic driver for audio cards. It represents the logical connection of audio components like I2S controllers and codecs.

## SEE ALSO

[audio(4)](/audio/4.md), [intro(4)](/intro/4.md), [simpleaudio(4)](/simpleaudio/4.md)

## HISTORY

The **graphaudio** driver first appeared in OpenBSD 6.9.

## AUTHORS

The **graphaudio** driver was written by Mark Kettenis ⟨*kettenis@openbsd.org*⟩ based on the [simpleaudio(4)](/simpleaudio/4.md) driver by Patrick Wildt ⟨*patrick@blueri.se*⟩.
