Dell Dimension XPS 50 Reference Manual page 85

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The SPDIF tab allows you to produce digital and analog sources of sounds as digital
output.
The DirectSound tab provides controls to enable or disable DirectSound3D.
The DirectSound3D tab allows you to enable the 3D-positional stereo audio mode
compliant with the Sensaura technology developed by Central Research Laboratories
Limited. This mode produces an invariable and unchangeable sound experience in a
360-degree area using stereo speakers or headphones.
The DOS Box tab provides features that support MS-DOS programs that run in the
Windows DOS box.
To enable the YAMAHA DS-XG Audio Configuration program in Windows NT , perform
the following steps:
1. Click the Start button, point to Settings, and click Control Panel.
2. Double-click the YAMAHA DS-XG Audio Config icon.
The YAMAHA DS-XG Audio Config window, shown in Figure 5-2, appears.
Software Solutions 5-3