[wdmaudiodev] Re: Hardware mixing

  • From: "Stephen Turner" <sgturner@xxxxxxxxxxxxxxxx>
  • To: <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Tue, 17 Mar 2009 13:40:26 -0700

Thanks David!
------------------------
Stephen Turner
AudioScience, Inc.
+1-949-650-6263
www.audioscience.com

----- Original Message ----- From: "David A. Hoatson" <dhoatson@xxxxxxxxxxxxxx>
To: <wdmaudiodev@xxxxxxxxxxxxx>
Sent: Monday, March 16, 2009 5:34 PM
Subject: [wdmaudiodev] Re: Hardware mixing


Stephen,

Check out slide 5 on:

http://ampalliance.org/files/folders/summit_decks/entry79.aspx

Thank you,

David A. Hoatson
Lynx Studio Technology, Inc.
www.lynxstudio.com

----- Original Message ----- From: "Stephen Turner" <sgturner@xxxxxxxxxxxxxxxx>
To: <wdmaudiodev@xxxxxxxxxxxxx>
Sent: Monday, March 16, 2009 2:36 PM
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.





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