Skool is new to me, so I am learning too. lol. If you are hard of hearing or can't hear at all, you can click the "CC" icon for Closed Captioning and the speech to text will appear at the bottom portion of the video. You can also speed up or slow down the spotted of the videos by clicking on the 3 dots (…) or the settings gear icon (depending on the size of screen you’re viewing) in the lower right corner of the video.