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SoundExpression
Appendix G: A Note on
Windows Sound System
Windows Sound System provides 16-bit
44.1 KHz stereo record and play back
with OPL3 FM synthesis for DOS game
support in a DOS window. Settings for
Windows Sound System may be chosen
when selecting Driver Setup in the
Windows Control Panel. These settings
are as follows:
DUPLEX
.
Half-duplex allows for either playing or
recording.
Full duplex allows simultaneous playing
and recording at the same sample rate.
Enhanced is the same as full duplex, but
simultaneous playing and recording may
occur at different sampling rates.
The default is full-duplex.
I/O Address
. The default is 530h.
DMA Channel
. The default is 1 for Play
and 0 for Capture. NOTE: you may use
the same DMA as your Sound Blaster.
DMA Channel is not active in Windows.
IRQ
. IRQ10 is the best choice. If you
select IRQ9 or IRQ11, DOS-based games
will not be supported in a DOS window.
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