Title The effect of hydration and vocal rest on vocal quality and function after Karaoke singing among people

Karaoke singing is a popular entertainment among young people It is not uncommon for Karaoke singers to experience vocal fatigue after Karaoke singing. Ten male and ten female subjects who reported experienced vocal fatigue after singing were selected to participate in a Karaoke singing task. Half of them were given hydration and vocal rest during singing and the other half of them were not given any water or rest The amount of singing time before the subjects reported vocal fatigue was compared. Voice recordings were taken before, during and after the singing for acoustic and perceptual analyses. Phonetogram analysis was also carried out to analyse the vocal function. The results revealed subjects with hydration and vocal rests were able to sing significant longer before reporting vocal fatigue. Subjects with vocal rests and hydration also demonstrated better vocal quality and vocal function for a longer period of time.