diff --git a/inference.py b/inference.py
index d7dd7dc..d0eeade 100644
--- a/inference.py
+++ b/inference.py
@@ -150,7 +150,7 @@ def main():
         else: # lower bands
             X_wave[d] = librosa.resample(X_wave[d+1], mp.param['band'][d+1]['sr'], bp['sr'], res_type=bp['res_type'])
 
-        X_spec_s[d] = spec_utils.wave_to_spectrogram_mt(X_wave[d], bp['hl'], bp['n_fft'], mp.param['mid_side'], mp.param['reverse'])
+        X_spec_s[d] = spec_utils.wave_to_spectrogram(X_wave[d], bp['hl'], bp['n_fft'], mp, True)
         
         if d == bands_n and args.high_end_process != 'none':
             input_high_end_h = (bp['n_fft']//2 - bp['crop_stop']) + (mp.param['pre_filter_stop'] - mp.param['pre_filter_start'])