> Opening .wav file "ac3.wav"... > Audio device does not support the requested format. > Thread returned failing HRESULT 0x88890008 That is expected if your driver doesn't expose a S/PDIF-ized AC-3 data range. Is your data intersection handler getting called? Try a PCM .wav file with 6 or 8 channels. -----Original Message----- From: wdmaudiodev-bounce@xxxxxxxxxxxxx [mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Robert Bielik Sent: Thursday, October 28, 2010 10:23 AM To: wdmaudiodev@xxxxxxxxxxxxx Subject: [wdmaudiodev] Re: Multichannel ? Matthew van Eerde skrev 2010-10-28 19:05: > Hmm... > > Can you try using play-exclusive.exe* (requires Vista or Windows 7) to play a > multichannel .wav file to your audio device? Thnx, I get: Opening .wav file "ac3.wav"... Audio device does not support the requested format. Thread returned failing HRESULT 0x88890008 Thing is... I don't see any log from the driver, i.e. no NewStream, no ValidateFormat etc. etc.... /Rob ****************** 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/