Gurkengewuerz/audio-reactive-led-strip
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Fixed bug where some FPS values raised exceptions

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Fixed a bug where certain config.FPS values would result in arrays with
mismatched dimensions. The mismatched dimensions occurred because an
integer was rounded instead of truncated. This is now fixed and
exceptions should no longer be raised when certain FPS values are used.
This commit is contained in:
Scott Lawson 2017-01-03 16:09:39 -08:00
parent 46b404120f
commit 4b6f9a807b
1 changed files with 2 additions and 2 deletions
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4
python/dsp.py
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@ -39,7 +39,7 @@ def fft(data, window=None):
return xs, ys 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, mel_y, (_, mel_x) = melbank.compute_melmat(num_mel_bands=config.N_FFT_BINS,
freq_min=config.MIN_FREQUENCY, freq_min=config.MIN_FREQUENCY,
freq_max=config.MAX_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): def create_mel_bank(n_history):
global samples, mel_y, mel_x global samples, mel_y, mel_x
config.N_ROLLING_HISTORY = n_history 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, mel_y, (_, mel_x) = melbank.compute_melmat(num_mel_bands=config.N_FFT_BINS,
freq_min=config.MIN_FREQUENCY, freq_min=config.MIN_FREQUENCY,
freq_max=config.MAX_FREQUENCY, freq_max=config.MAX_FREQUENCY,