John Campbell’s COVID19 updates on Youtube could be an exemplar.
- High quality video that allows following his speech, always at steady pace and with little idiosyncrasy, by reading his lips. (A private consultant could add to the communication by having a name-tag on prominent display.)
- High quality audio complements (1).
- Use of a second camera to capture on-screen displays of lab & imaging results, so important figures can be highlighted with the indicator.
- Use of third camera to capture image of free-form text on pre-printed pages, highlighted during the talk with various types of markings as the consult progresses by points.