View clinical trials related to Functional Voice Disorder.
Filter by:Two voice therapy methods are compared. Activity noise levels and vocal load of teachers during teaching in primary school classrooms are evaluated. Acoustic and Workshop Interventions are implemented in order to reduce noise level during lesson.
In a retrospective analysis of already existing clinical assessment data from patients with functional voice disorders the following aspects will be sampled, encoded and analysed: Outcomes pre and post treatment of 1. subjective voice symptoms measured by Voice Handicap Index (VHI-9i), 2. perceptual voice symptoms according to Grading-Roughness-Breathiness-Asthenia-Strain Scale (GRBAS Scale), 3. instrumental acoustic analysis parameters Jitter (%), speaking voice profile: mean and range of speaking pitch and intensity, max. intensity and mean pitch of calling voice, singing voice: min./max. and range of pitch and intensity, maximum phonation time, Dysphonia Severity Index (DSI).