Hello if u are playing an audio file with some frquency for eg., 32KHz and u wish to play an audio file of 48KHz then you will get a "SET Frequency " Request from host and you can set that value. On Tue, Nov 17, 2009 at 4:14 AM, Tim Newsham <tim.newsham@xxxxxxxxx> wrote: > What are the mechanisms that set the timebase for the audio output? If I > wanted to slow down or speed up the delivery of audio output data to my > IMiniPortWaveCyclicStream would I alter the notification frequency? Adjust > the values returned by GetPosition? or something else? > > -- > Tim Newsham | www.thenewsh.com/~newsham<http://www.thenewsh.com/%7Enewsham>| > thenewsh.blogspot.com > >