Filtering method For each frame(10-30 ms), a set of filter outputs will be calculated. frame overlap 5ms There are many different methods for setting the filter bandwidths --uniform or non-uniform Input waveform Time frame irms Filter outputs(v1, v2, Time frame i+-1 30ms Filter outputs(v'1, V2, Time frame i+2 Filter outputs(v"1,v"2 5ms Feature extraction v 9aFiltering method • For each frame (10 - 30 ms), a set of filter outputs will be calculated. (frame overlap 5ms) • There are many different methods for setting the filter bandwidths -- uniform or non-uniform Feature extraction, v.9a 6 Time frame i Time frame i+1 Time frame i+2 Input waveform 30ms 30ms 30ms 5ms Filter outputs (v1,v2,…) Filter outputs (v’1,v’2,…) Filter outputs (v’’1,v’’2,…)