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# Shift
augmenter = Compose([Shift(min_fraction=-0.5, max_fraction=0.5, p=1.0)])
for i in range(5):
output_file_path = os.path.join(output_dir, "Shift_{:03d}.wav".format(i))
augmented_samples = augmenter(samples=samples, sample_rate=SAMPLE_RATE)
wavfile.write(output_file_path, rate=SAMPLE_RATE, data=augmented_samples)
# Normalize
augmenter = Compose([Normalize(p=1.0)])
output_file_path = os.path.join(output_dir, "Normalize_{:03d}.wav".format(0))
augmented_samples = augmenter(samples=samples, sample_rate=SAMPLE_RATE)
wavfile.write(output_file_path, rate=SAMPLE_RATE, data=augmented_samples)
# Resample
augmenter = Compose([Resample(p=1.0)])
for i in range(5):
output_file_path = os.path.join(output_dir, "Resample_{:03d}.wav".format(i))
augmented_samples = augmenter(samples=samples, sample_rate=SAMPLE_RATE)
wavfile.write(output_file_path, rate=SAMPLE_RATE, data=augmented_samples)