//: :class:`~acoular.environments.Environment` or derived object,
//: which provides information about the sound propagation in the medium.
env = Trait(Environment(), Environment)
//: The speed of sound, defaults to 343 m/s
c = Float(343.,
desc="speed of sound")
After Change
//: instance of :class:`~acoular.fbeamform.SteeringVector` or its derived classes,
//: that contains information about the steering vector.
steer_obj = Trait(SteeringVector)
//: Flag that defines how to calculate and store the point spread function
//: defaults to "single".
//: