That reminds me of an idea I had for a language learning app, to help people improve their pronunciation and intonation. Basically it would prompt the user with two similar sounding words, like "were" and "where", and get them to record themselves saying each one, and then they could hear a native speaker say each word, and they could grade themselves on how close they got.
The idea would be that over time, the user would train their ear to listen out for the differences between the sounds, and even be able to go back and listen to old recordings of themselves, to appreciate the progress they've made.
The idea would be that over time, the user would train their ear to listen out for the differences between the sounds, and even be able to go back and listen to old recordings of themselves, to appreciate the progress they've made.