diff --git a/python/dsp.py b/python/dsp.py
index 7458e8f..0e56a4d 100644
--- a/python/dsp.py
+++ b/python/dsp.py
@@ -39,7 +39,7 @@ def fft(data, window=None):
     return xs, ys
 
 
-samples = int(round(config.MIC_RATE * config.N_ROLLING_HISTORY / (2.0 * config.FPS)))
+samples = int(config.MIC_RATE * config.N_ROLLING_HISTORY / (2.0 * config.FPS))
 mel_y, (_, mel_x) = melbank.compute_melmat(num_mel_bands=config.N_FFT_BINS,
                                            freq_min=config.MIN_FREQUENCY,
                                            freq_max=config.MAX_FREQUENCY,
@@ -50,7 +50,7 @@ mel_y, (_, mel_x) = melbank.compute_melmat(num_mel_bands=config.N_FFT_BINS,
 def create_mel_bank(n_history):
     global samples, mel_y, mel_x
     config.N_ROLLING_HISTORY = n_history
-    samples = int(round(config.MIC_RATE * config.N_ROLLING_HISTORY / (2.0 * config.FPS)))
+    samples = int(config.MIC_RATE * config.N_ROLLING_HISTORY / (2.0 * config.FPS))
     mel_y, (_, mel_x) = melbank.compute_melmat(num_mel_bands=config.N_FFT_BINS,
                                                freq_min=config.MIN_FREQUENCY,
                                                freq_max=config.MAX_FREQUENCY,