I have a hearing impairment. I can't hear stuff around above 2 kHz. Is there a way to convert an input sound source (file for instance, but also a microphone) and convert it to my hearing range?
I.e., if there is a mp3 music file, it is suited for healthy humans and holds sound between 20 Hz to 20 kHz. Is there a way to convert it to a file with a sound between 20 Hz to 2 kHz?
The best analogy I can imagine is image resize – it is easy to change a 1000×1000 image to 200×200 image – we lose information on the way, but it will be good if you have a 200×200 screen.
Can it be done? How?