1import argparse 2 3import numpy as np 4 5 6parser = argparse.ArgumentParser(description="sets s_t to augmented_s_t") 7 8parser.add_argument('datafile', type=str, help='data.s16 file path') 9 10args = parser.parse_args() 11 12data = np.memmap(args.datafile, dtype='int16', mode='readwrite') 13 14# signal is in data[1::2] 15# last augmented signal is in data[0::2] 16 17data[1 : - 1 : 2] = data[2 : : 2] 18