This information is not yet completed. For the time being, you may want to
check out the C++ CMixer classes
written by Sam Blackburn which can simplify using the Mixer API.
Also, you may want to go to DejaNews and do a search for a message
written by Sean Dynan (firstname.lastname@example.org) in the comp.os.ms-windows.programmer.multimedia newsgroup
entitled Re: Audio mixer example code.