If you are helped by a visual participation in the Mass, then go to one of the websites on which that celebration is being streamed. Here is list of parishes with streamed celebrations of Mass across the Diocese: 200318 Mass streaming and useful websites. There is also a list here.
Masses at Ss Alban and Stephen Catholic Church on YouTube
Online Masses at St Teresa’s Borehamwood
Online Masses at St Luke’s Pinner
It is possible to view the live stream on PC’s, laptops and a range of Apple and Android and other devices. But Internet Explorer on Windows may not work, instead use Chrome or Edge. More details here: https://www.churchservices.tv/faqs/