Connecting your PC or laptop using an HDMI cable.
Testing the speakers to see if they are working correctly.
5.1 and 7.1 Surround sound setup and test, Dolby Atmos, HDCP 2.2 support.
24 bit sampling rates. Windows Sounds System Streaming Server and HTPC.
DLNA - Digital Living Network Alliance - DLNA Server
Media streaming - Windows Media library - Windows Media player
Optical connection SPDIF
Do you know about ARC ?
This may not seem obvious but using an HDMI connection
the sound stream is transmitted unaltered to the AV amp or TV. At that point your AV AMP or TV will decode the sound stream.
There are many sound applications for Windows.
If you try a DOLBY 5.1 test video or play any BluRay or DVD that has 5.1 sound
you should be able to hear 5.1 or 7.1 sound depending how the sound was encoded.
DTD sound. To test DTS use the windows media classic app.