The paper contains a description of experiments that aim to determine visual cue influence on the perception of spatial sound. Earlier stage of the carried out experiments showed that there exists a relationship between the perception of video presented in the screen and sound signals reproduced in a surround system. However, this relationship is dependent on the type of audio-visual signals. Thus a series of subjective test has been performed on dozens of experts in order to discover these dependencies. The main issue in such experiments is the analysis of the influence of visual cues on the perception of the surround sound. Conclusions concerning the complexity of the investigated problem are included.
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