noidea_77 :
drjackool :
noidea_77 :
No. 5.1 sound requires the coded information for six channels, but stereo has only two. You may able to "mirror" the stereo channels to the rear speakers. Some audio drivers / mixers support that.
Thanks but can you identify (say names) those Apps?
Your Realtek audio driver / mixer for example
I found following option to do this. Place it for others.
Speaker Properties->Enhancements->Speaker Fill