A method including, during a free-viewpoint rendering to a user, where the free-viewpoint rendering comprises rendering of an audio object, and during relative movement between a location of the user and the audio object in the free-viewpoint rendering, detecting a locational conflict abnormality between the audio object and the location of the user; and based upon the detecting of the locational conflict abnormality, changing the rendering of the audio object, where the changing is based upon at least one predetermined abnormality modification parameter.