'Return a dictionary containing the Device parameters for a
given Host API\'s n\'th device. The keys of the dictionary
mirror the data fields of PortAudio\'s ``PaDeviceInfo`` structure.
:param host_api_index: The Host API index number
:param host_api_device_index: The n\'th device of the host API
:raises IOError: for invalid indices
:rtype: dict'

def get_device_info_by_host_api_device_index(self, host_api_index, host_api_device_index):

    long_method_name = pa.host_api_device_index_to_device_index
    device_index = long_method_name(host_api_index, host_api_device_index)
    return self.get_device_info_by_index(device_index)
