The main issue with speech to text is that it is not private, and that it pollutes the environment with noise. How would speech-to-text work for a college stude

The main issue with speech to text is that it is not private, and that it pollutes the environment with noise. How would speech-to-text work for a college student making notes in a lecture for instance? The only place it works is if you have your own private office (e.g. doctors dictating their notes), or at home.