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As recoding a sound in studio, it is very important to keep a sound condition evenly in many-sided positions; perpendicularityㆍhorizontality and the like the three-dimensional position. Because recoding a sound is completed by arranging the microphones at several places depending on the purpose of program. Therefore, the evaluation of the acoustical performance in studio must be estimated properly in many-sided position. The result of analyzing the perpendicular and horizontal room acoustics parameters in studio, the following conclusions were obtained the result of analyzing the perpendicular and horizontal sound condition in studio, we find out that there are a lot of differences of physical measurement at the perpendicular acoustical parameters in the between upper and lower parts. When recording a sound is made up of perpendicular and horizontal three-dimensional form in studio, the above differences will operate to make several acoustical problems. Therefore, with the use of studio being considered, the acoustical evaluation in the studio must be performed reasonably considering the upper and lower parts.