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Audio Devices

Design Guide

WDM Audio Support in Different Versions of Windows

Typical Audio Configurations

Rendering and Capturing Wave Content

Rendering and Capturing MIDI Content

Rendering and Capturing Audio Content by Using a Port Class Audio Adapter

Rendering and Capturing Audio Content by Using the USBAudio Driver

Rendering Wave Content Using DirectSound Software and Hardware Buffers

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Rendering Wave Content Using DirectSound Software and Hardware Buffers

The following figure shows a configuration of Microsoft Windows Driver Model (WDM) components that renders to DirectSound software and hardware buffers.

Diagram illustrating rendering wave content using DirectSound software and hardware buffers

See the following for a description of the WDM audio components:

DirectSound System Component

SysAudio System Driver

KMixer System Driver

Port Class Adapter Driver and PortCls System Driver

USBAudio Class System Driver

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Build date: 11/30/2012

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