Chanting,Rajaram Sitaram,Hanuman,Rama,Ram,
Chanting too is a form a meditation. Our minds are prone to wandering, creating non existent worrries and stress. Chanting helps it focus better and improves concentration. So it's better to chant little louder so that we can focus on chanting. That's called as mantra meditation, it's really effective. It is said that Hanumanji always chants Lord Rama’s name because of which he is worshiped, considered as a great devotee, and a true inspiration to very Ram devotee.