When I go to the properties of this audio device and try Dolby Digital, I get a surround output, but after completion it switches to stereo. However, this only works if the movie in question has more than 2 channels with 5.1-channel AAC power. Enter FFDSHOW to connect other filters, not just direct audio. The easiest solution for you would be to get a cheap card to code AC3. But then you do not have all the amazing game options like EAX 1.2. 3.4.5 and OpenAL.etc. After configuring the system to use all available surround sound output channels, use the following tests to ensure you get the best audio quality. This is the only sound card that exists. This means real-time Dolby Digital encoding, which means it can capture the 5.1 signal to a game and code it in real time in a DD stream and send it digitally. Free Mobile Monitoring Software Download. Some ideas why there is no stereo or 5.1 options? Mechanical Animation Software. PS - I know this is a Windows 8 forum but I have always seen the same settings in Windows 7. I read forums about using digital input to achieve 5.1 surround but had an adapter or a special cable, with output for 3 , 5 mm I jack.Would not get a new graphics card and if using 9600GT to plug in mobo is not what i have to do what I have to do with this sound card or other sound card for surround sound.BonusView and BD- live take advantage of interactive features on Blu-ray: you can use low bitrate mode, Dolby Digital Plus, to add up to 5.1 channels Additional material as director comments or alternatively Spragracks.Ideal Companion for video encoders Advanced compression algorithms allow for the provision of discrete 5.1 channel surround with 192 kbit / s, half of the data rate commonly used.