This all depends on how badly you strained your voice. If you pushed your voice and there is no physical damage it can be a few days. If there is damage to the vocal folds it can take anywhere from weeks to months. You then have to make sure you don’t continue to strain because […]
Practice with a mic and practice acoustically. Both have benefits you can use as a singer. When you sing in a room with just your sound and not being amplified you start building more strength. It causes you to project your voice. Your awareness of your muscles is heightened.