Fig. 1From: Telemonitoring Parkinson’s disease using machine learning by combining tremor and voice analysisTremor and voice data acquisition. a Raw rest tremor data acquired by the accelerometer is first passed through a detrend filter which is then segmented in different frequency bands using wavelet filter-bank. b The vowel phonations captured by the recorder is passed through a band-pass filter which is then downsampled before feature extractionBack to article page