Johan holds a mobile phone and watches a video of Ebba and Erik in a romantic encounter. When Ebba and Erik speak, their voices are very treble and lack bass frequencies, as they would be if the sound was coming from a mobile phone. But when they move the video recording device around, the bumping sounds on the recording are played with full-spectrum sound, including deep bass that could not come from a mobile phone's tiny speakers.
When looking at the resume of Margaret Emilia Mitchell, one can see MBBS In Medicine 2013-2019. The line below says "Congratulatoy" Honors instead of "Congratulatory" Honors.