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Sustained Phonation

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 About Sustained Phonation is an activity under the Voice category of the Active Tasks. Active tasks are part of Apple’s ResearchKit framework and help involve the users directly with research through their iPhones. The Qolty Mobile Assessments utilizes the Apple ResearchKit™ framework  to define a large number of predefined tasks in six broad categories: motor activities, fitness, cognition, voice, audio,