g property

num g

@override
num get g => numChannels > 1 ? Float16.float16ToDouble(data[_index + 1]) : 0;

void g=(num g)

@override
set g(num g) {
  if (numChannels > 1) {
    final d = g.toDouble();
    data[_index + 1] = Float16.doubleToFloat16(d);
  }
}