The sample code is available for download from http://www.microsoft.com/whdc/device/audio/vista_sysfx.mspx Sincerely, Hakon Strande PM Integrated, Internal, External, and Wireless Audio Devices MediaTech/DMD/Windows Client/Microsoft ________________________________ From: wdmaudiodev-bounce@xxxxxxxxxxxxx [mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Tim Roberts Sent: Monday, October 02, 2006 2:07 PM To: wdmaudiodev@xxxxxxxxxxxxx Subject: [wdmaudiodev] Re: Vista APOs Quoting from "Reusing Windows Vista Audio System Effects": For examples of how to communicate with the Windows custom audio system effects sAPO property store, see the "compress" and the "spkrfill" examples. Where? Neither of these are found in either the 5600 WDK or the 5600 SDK. -- Tim Roberts, timr@xxxxxxxxx Providenza & Boekelheide, Inc.