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<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE topic PUBLIC "-//OASIS//DTD DITA Topic//EN" "topic.dtd">
<topic xml:lang="en-us" id="settings-audio">
<title>Audio Settings</title>
<body>
<p>
The <b outputclass="bold">Audio</b> section in a virtual
machine's <b outputclass="bold">Settings</b> window
determines whether the VM will detect a connected sound card, and
if the audio output should be played on the host system.
</p>
<p>
To enable audio for a guest, select the
<b outputclass="bold">Enable Audio</b> check box. The
following settings are available:
</p>
<ul>
<li>
<p><b outputclass="bold">Host Audio Driver:</b> The audio
driver that Oracle VM VirtualBox uses on the host.
</p>
<p>
The <b outputclass="bold">Default</b> option is enabled
by default for all new VMs. This option selects the best audio
driver for the host platform automatically. This enables you
to move VMs between different platforms without having to
change the audio driver.
</p>
<p>
On a Linux host, depending on your host configuration, you can
select between the OSS, ALSA, or the PulseAudio subsystem. On
newer Linux distributions, the PulseAudio subsystem is
preferred.
</p>
<p>
Only OSS is supported on Oracle Solaris hosts. The Oracle
Solaris Audio audio backend is no longer supported on Oracle
Solaris hosts.
</p>
</li>
<li>
<p><b outputclass="bold">Audio Controller:</b> You can
choose between the emulation of an Intel AC'97 controller, an
Intel HD Audio controller, or a SoundBlaster 16 card.
</p>
</li>
<li>
<p><b outputclass="bold">Enable Audio Output:</b> Enables
audio output only for the VM.
</p>
</li>
<li>
<p><b outputclass="bold">Enable Audio Input:</b> Enables
audio input only for the VM.
</p>
</li>
</ul>
</body>
</topic>
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