extract_feature -delta -acc -cms -swap_bytes -zero_mean -energy -energy_norm -mfcc 12 -delta_win 2 -lifter_coeff 22 -window_dur 25 -frame_dur 10 -num_fbanks 24 -window_type hamming -pre_emph_coeff 0.97 -output_mode ascii -input raw_list -output mfcc_list
