It is experimentally clarified how the harmony of the audiovisual material influences its impression, and how “semantic harmony” and “temporal harmony” of the audiovisual material are related with “general harmony.” In the experiment, four patterns of audiovisual materials are used. These are created by combining the semantically matched and mismatched sound clips and the temporally matched and mismatched video clips. This experiment clarifies that the impression of the sound is more dominant than that of the video overall in that of the audiovisual material, and the rating of general harmony must be high in order to get an audiovisual material of high scores of the impression words of “Natural,” “Beautiful,” and “Impressive” included in “Naturalness factor.” In addition, the rating of general harmony of the audiovisual material could be estimated by using the rating of semantic harmony and that of temporal harmony.
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