Custom Audio Effects in Windows Vista Custom Audio Effects in Windows Vista




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Date

Change










June 13, 2012

Reworded material in sAPO Initialization paragraph and updated link to the Windows Driver Kit (WDK)

May 10, 2006

First publication

Contents

Introduction 3

How Custom sAPOs are Implemented 3

How Custom sAPOs Are Installed 4

Windows Vista Audio Architecture 5

Support for Multiple Devices 6

Audio Sessions 7

How to Install sAPOs 9

Registry Settings 9

INF Files for sAPOs 11

Enhancements Property Page Replacement 12

Run-Time Behavior of sAPOs 13

sAPO Bypass 13

sAPO Initialization 13

Endpoint Property Store Settings 14

sAPO Format Negotiation 15

Data Formats 16

The sAPO LockForProcess Method 16

sAPO Failure Monitoring and Automatic Disabling 16

Application Control over sAPOs 17

How to Implement a Custom sAPO 18

Required Interfaces 18

The CBaseAudioProcessingObject Class 19

Signal Processing Requirements 20

How to Implement a UI for Configuring the Effects 20

Resources 20





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Custom Audio Effects in Windows Vista Custom Audio Effects in Windows Vista

Download 0.57 Mb.