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<!DOCTYPE concept
  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
<concept id="GUID-3335663A-BC11-556E-B5A6-F83622AE34C3" xml:lang="en"><title>Audio Driver Porting
Implementation Tutorial</title><shortdesc>Describes the steps to implement a physical device driver (PDD)
for the Sound Driver.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>
<p id="GUID-C08202D0-5D57-5D29-B548-3BB17B9879D3"> The audio device driver
implementation may provide for playback, recording, or both at the same time,
but there are design considerations for each option. </p>
</conbody><related-links>
<link href="GUID-6D75968E-53CF-5436-8390-54CA12BCFDE9.dita#GUID-6D75968E-53CF-5436-8390-54CA12BCFDE9/GUID-C869F627-8218-5482-A04B-C6B74F62EFBF">
<linktext>Concepts</linktext></link>
</related-links></concept>