My TV is Samsung UE40ES5500WXXH.
Find and press the AD / SUBST button in the remote control (in my case, under the DUAL I-II button in the original one);
the "Audio Description" and "Subtitles" menus will appear;
set to "Off" for "Audio Description".
I used this site:
https://dartmablog.blogspot.com/2018/11/audiodeskrypcja-w-telewizorach-samsung.html
Find and press the AD / SUBST button in the remote control (in my case, under the DUAL I-II button in the original one);
the "Audio Description" and "Subtitles" menus will appear;
set to "Off" for "Audio Description".
I used this site:
https://dartmablog.blogspot.com/2018/11/audiodeskrypcja-w-telewizorach-samsung.html