> he cannot drive two separate audio cards simultaneously from two > separate processes. He says that when one process goes foreground, > audio from the other process stops. He definitely does something incorrectly. Maybe he uses DirectSound interface in the compatible mode. The cooperative level should be set to DSSCL_PRIORITY and buffers should be created with DSBCAPS_GLOBALFOCUS flag. > I wanted to ask if there were any architectural reasons for this. No such reasons exist. ****************** 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/