To find out the supported formats, you need to enumerate all possible formats and ask the device (driver) whether the format is supported or not. But I have no idea what "offloaded" means ? :) Regards, /Rob From: wdmaudiodev-bounce@xxxxxxxxxxxxx [mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Andrew Sha...... Sent: den 16 augusti 2013 00:44 To: wdmaudiodev wdmaudiodev Subject: [wdmaudiodev] Is there a way to list all supported format of an audio device Hi Audio Is there a way to list all supported formats of an audio device and find out which can be offloaded? Thanks in advance Andrew