Background: Voice disorders that result in reduced loudness may cause difficulty in communicating, socializing and participating in occupational activities. Amplification is often recommended in order to facilitate functional communication, reduce vocal load and avoid developing maladaptive compensatory behaviours. The most common microphone used…

The aim of the present investigation was to evaluate the acoustic parameters, perceptual estimation, and self-estimation of voice before, 1 month after, and 6 years after surgical removal of a vocal fold polyp. Subjects were five male patients who came to the Phoniatric Clinic because of breathiness. For all patients, a polyp of one vocal fold was…