def get_analog_channel_ids(self):
        return np.array(filter(lambda x: (x > 128) and (x <= 144),
            self.header.Channel_ID)) - 128
Returns array of analog channel ids existing in the file.
dataset/ETHPy150Open NeuralEnsemble/python-neo/neo/io/blackrockio_deprecated.py/Loader.get_analog_channel_ids