static short[] convertSampleRate_shortArray_simple(short[] data, double oldSampleRate, double newSampleRate) {
  double ratio = doubleRatio(newSampleRate, oldSampleRate);
  if (ratio == 1) ret data;
  int l = l(data), l2 = iround(l(data)*ratio);
  short[] data2 = new[l2];
  double j = 0, step = 1/ratio;
  for i to l2: {
    data2[i] = data[min(ifloor(j), l-1)];
    j += step;
  }
  ret data2;
}

static short[] convertSampleRate_shortArray_simple(double oldSampleRate, double newSampleRate, short[] data) {
  ret convertSampleRate_shortArray_simple(data, oldSampleRate, newSampleRate);
}