It is known that the propagation and the characteristics of a reproduced sound wave in a room is influenced by the room acoustics. So does the perceived sound quality, too? To answer this question it is indispensable to research the quality evaluation of reproduced spatial audio signals in non-standardized rooms and to compare the results with those from standardized listening rooms, in which quality evaluation is usually conducted. Beside the overall quality it is reasonable to assess which parameters of the room acoustics have influence on which quality features. To evaluate the principle influence of different listening rooms on the perception of audio signals, two listening tests are conducted in which three acoustical different rooms are examined. In the first study the aim was to find out if there is an influence on the basic audio quality and five given quality features. This was realized as a single stimulus test. Based on the results a second test was conducted. The approach was adapted from the Open Profiling of Quality. The results from the studies suggest that the influence of the room characteristics are of minor importance on the perception of spatial audio signals.
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