physical diagnosis can also be done but patients are required to be observed for a long time and this diagnosis give results when almost 80% of dopamine gets ended.
Voice of the person shows changes at an earlier stage, so diagnosis of Parkinson using voice analysis can be done at an earlier stage. Reduced in voice level by approx 10 db, whispering, breathiness, tremors, shifting to higher tones are some voice characteristics visible in PD voice. This method is very reliable and of very ultra low cost. Method is completely computerized and no medical professionals are required. As the PD patients have difficulty in clinical visits, in this voice analysis method no clinical visits are required. This method can be done telephonically, so the telediagnosis of the disease can be done by voice analysis with very less costs and efforts.