For Vista, remove everything above portcls and ks.sys - the User Mode Audio stack replaces kmixer and sysaudio. -----Original Message----- From: wdmaudiodev-bounce@xxxxxxxxxxxxx [mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Stephen Turner Sent: Monday, March 16, 2009 2:37 PM To: wdmaudiodev@xxxxxxxxxxxxx Subject: [wdmaudiodev] Re: Hardware mixing Larry >>Btw, kmixer is history in Vista+. So, I take it that the diagram shown here: http://msdn.microsoft.com/en-us/library/ms790577.aspx Is not valid anymore?. >>Obviously you'll be able to use the hardware mixing capabilities of your >>audio >>solution with your custom software, but the built-in software won't take >>advantage of it. Can you elaborate on this? thanks -steve ------------------------ Stephen Turner AudioScience, Inc. +1-949-650-6263 www.audioscience.com ----- Original Message ----- From: "Larry Osterman" <Larry.Osterman@xxxxxxxxxxxxx> To: <wdmaudiodev@xxxxxxxxxxxxx> Sent: Monday, March 16, 2009 10:39 AM Subject: [wdmaudiodev] Re: Hardware mixing Btw, kmixer is history in Vista+. And there's no way of invoking a hardware mixer in Vista - the software mixer is burned into the graph building algorithm for the Vista audio engine. Obviously you'll be able to use the hardware mixing capabilities of your audio solution with your custom software, but the built-in software won't take advantage of it. ****************** 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/