Neurological tests and brain scans are done to diagnose it. These methods are very expensive and
need high level of expertise. Some physical diagnosis can also be done but patients are required
to be observed for a long time.Unfortunatelysuch diagnosis are able to detect PD when almost 80% of dopamine gets depleted. Reduction in voice level by approx 10 db, whispering, breathiness, tremors, shifting to higher tones are some voice characteristics visible in PD voice. Consequently diagnosis of parkinson using voice analysis can be very helpful at an initial stage. The method is completely computerized and no medical professionals are required. PD patients have difficulty in clinical visits, whereas in the voice analysis method no clinical visits are required. Voice based telediagnosis of the disease can be implementedusing existing mobile networksresulting into very less costs and efforts.