Latest Realtek HD Audio Driver Version Latest. I also found this from thread Unlocked Realtek HD Audio Drivers Windows 7, 8 and 8.1.
I think you are playing 2.0 channel audio then. That causes the DTS Interactive to you encode it as 2.0 channel audio (encoding is always a 2.0 channel on optical, but it gets encoded in a way that the receiver understands what is for which channel). You will need to enable Dolby Theater in order to 'upscale' 2.0 channel audio to 5.1. This does not work on most browser (Chrome needs a special paramter, Firefox does not even support this at all!), but it does for 2.0 channel audio you play in VLC or Windows Media Player for example. Anyone had any luck running this on Windows 10 insider preview? (build 10074 here) There appears to be an additional form of audio protection which causes the notorious 'Failed to play test tone' error when using DTS/DDL. Realtek control panel and Windows though will register the existence of DDL & DTS, the driver will function normally if used in any other modes.
This will apply to using both the M1 and A1 methods for installing the drivers, as well as the awesome registry workaround which disables PUMA as stated by mkanet, and applies to all of the versions of the modded driver that we have available such as 2.71, 2.73 and 2.75. For the M1 method I have tried multiple things from test signing the driver to disabling DSE. I have used both hotswapping files in the installer and hotswapping in system32 for methods of applying M1. Thanks ---------- Some specs for comparison/information: Motherboard: Z87-G45 Audio Driver: ALC 1150 OS: Win 10 IP (build 10074 / latest at time of writing). Edit: For reference, both A1 and M1 work perfectly on Win 8(.1) x64.
Alright, I got it to work using 2.75 drivers and A1. My receiver gets the correct ac3 ddl and the dts signals. Yet sadly I cannot configure 5.1. In the audio manager since I have no 'speaker setup' tab and in the windows sound settings it won't let me configure 'Realtek Digital Audio'(Optical) in order to set my speakers to 5.1. Tablet Driver Not Found Windows 10. So I get the compressed 5.1 sound but it adresses my 2.0 left and right speakers only Where can I setup my speakers? Why do I not have the right tab? Why doesn't windows let me configure them?