Hi, I am currently trying to open an audio device in exclusive-mode using PortAudio and WASAPI. The problem is that the audio device looks like it is not supporting the same format in exclusive-mode as it would in shared-mode. I have opened the device successfully in shared-mode and I'd like to know which format can be used in exclusive-mode. Anybody got a clue about that ? The IsFormatSupported method is not suggesting any "Closest" format...