You could probably just apply a 300Hz-3300Hz band-pass filter to any given recording and make it sound really close to analog phone call audio [1] [1]: https:/

You could probably just apply a 300Hz-3300Hz band-pass filter to any given recording and make it sound really close to analog phone call audio [1] [1]: https://en.wikipedia.org/wiki/Plain_old_telephone_service#Characteristics https://en.wikipedia.org/wiki/Plain_old_telephone_service#Ch...