Dolby atmos sound setting problem

[annapl]

im using nvidia latest driver
in sound setting speaker layout is set to dolby atmos for home theater in optional speaker i selected center left side etc and set all speakers to full range but the setting is not getting saved it reverts back to 2 channel
but dolby atmos hdmaster all are working as intended
i've uploaded video for better understanding

 

[pranjandas]

im using nvidia latest driver
in sound setting speaker layout is set to dolby atmos for home theater in optional speaker i selected center left side etc and set all speakers to full range but the setting is not getting saved it reverts back to 2 channel
but dolby atmos hdmaster all are working as intended
i've uploaded video for better understanding

Hi, Please try this step: Install Dolby Access from Windows Marketplace. For Dolby Atmos in Headphones you need to subscribe, some 1k subscription charges. For setting up Dolby Atmos in Home Theater, follow the settings guidelines mentioned in the pics. The pics have been arranged sequentially:

 

[annapl]

brother i know how to install dolby access and all
the problem is when i was using 7.1 test tone was perfevt but after dolby atmos couldn’t run test tone and setting are not saved watch video