Typical Voice Problems
A medical study of the voice can be, for instance, analysis of the voice of patients who have had a polyp removed from his or her vocal cords through an operation. In order to objectively evaluate the improvement in voice quality there has to be some measure of voice quality. An experienced voice therapist can quite reliably evaluate the voice, but this requires extensive training and is still always subjective.
Another active research topic in medical voice analysis is vocal loading evaluation. The vocal cords of a person speaking for an extended period of time will suffer from tiring, that is, the process of speaking exerts a load on the vocal cords where the tissue will suffer from tiring. Among professional voice users (i.e. teachers, sales people) this tiring can cause voice failures and sick leaves. To evaluate these problems vocal loading needs to be objectively measured.
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