Next to an adequate technical realization of an audio reproduction system, the context of usage plays a major role if a perfect auditory illusion with immersion and plausibility is aspired. This contribution presents results from perceptual experiments on context dependent quality parameters. A binaural synthesis of an acoustic scene via a personalized headphone system is used. The investigated quality parameters are influenced by divergence between synthesized scene and listening room, visibility of the scene, and personalization of the system. The plausibility of the perceived auditory scene is described by the test persons with the help of the quality features perceived externalization and direction of the auditory event. The analysis shows that there are significant differences in perceived externalization depending on the occurrence of localization errors but also on divergence or congruence between the listening and synthesized room.
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