AOpen AW540 Series User Manual page 18

Setting Up In Windows NT40
Setting up QSound Effects
allows users to configure the settings. CPU Usage is a
three-position slider that combines the effects of
Elevation and Sample Rate Conversion(SRC). Low CPU
Usage results as both SRC and Elevation at off mode.
Turning both SRC and Elevation On will result high
CPU usage. The center position of CPU usage slider is
a n indication of turning SRC on while Elevation mode is
set at off.
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