The problems of hole acoustic characteristic and listening in the SOUGAKUDO-Hall

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This research has been advanced for the purpose of following fact.◇The effect of the hole variable region for musical performance sound and player is grasped.◇The guideline of the moving parts' setting in the Hall, to the practical use is decided.◇The acoustic characteristic which is related to the characteristic moving parts' setting condition by the demonstration experiment is grasped.◇The problem is extracted, and further basic data for future examination are collected and are accumulated, while future problem is indicated.It was possible that the construction condition of the variable ceiling was decided by musicians he judging in this study, acoustic characteristic through the demonstration experiment.In Japanese music, vocal music, the condition in which concepts respectively differed was specially chosen, and in addition, it would be used in musical piece and condition of the player properly.