'Return the default input Device parameters as a
dictionary. The keys of the dictionary mirror the data fields
of PortAudio\'s ``PaDeviceInfo`` structure.
:raises IOError: No default input device available.
:rtype: dict'

def get_default_input_device_info(self):

    device_index = pa.get_default_input_device()
    return self.get_device_info_by_index(device_index)
