Puberphonia manual a research by Dr M Kumaresan is a single document but refers to the body of information and established procedures for treating puberphonia (also known as mutational falsetto or adolescent transitional dysphonia). This condition involves an individual (typically male) retaining a high-pitched voice after puberty, and treatment involves voice therapy, often administered by a siva ent hospital trained voice therapist, to establish a normal, lower-pitched voice. 1.Fire of breathing 2.Redirected phonation from larynx to pharynx.Learn, join,call 9841055774