- Just listening, not video: 4kBps, 9.4MB.
- Just listing and watching video: 20kBps, 46.88MB.
- Just listing to a prerecorded session, with no video: 2.5kBps, 5.9MB.
- Just listing and watching prerecorded video: 16kBps, 37.5MB.
An interesting aspect of this is the lower bandwidth and total data for prerecorded sessions. This is because better compression can be used. Just as students can assimilate information better if given more time, so can computers. ;-)