I believe these documents cover this aspect: http://www.microsoft.com/whdc/device/audio/sysfx.mspx http://www.microsoft.com/whdc/device/audio/vista_sysfx.mspx Sincerely, Hakon Strande | Windows Sound Team PM | (p) 425.705.0637 -----Original Message----- From: wdmaudiodev-bounce@xxxxxxxxxxxxx [mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Chunk Systems Sent: Monday, July 02, 2007 4:55 PM To: wdmaudiodev@xxxxxxxxxxxxx Subject: [wdmaudiodev] Re: Software-only GFX APO Dear Hakon, Thanks for your response. > The second method is to use your own INF and include one of > the two class driver INFs in yours. Effectively the user will > replace the 3rd party USB Audio or HD Audio driver with the > class driver and your value-add will load on top of the class driver. Are there any details or examples in the documentation on this approach? If so would you mind pointing me to them? Thanks and regards, Richard Cartwright www.chunksystems.com ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.com/ ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.com/
