| 摘要 |
PROBLEM TO BE SOLVED: To satisfy requirements of the both of game players and parlor side on the sound volume. SOLUTION: The volume of a first performance sound output from speakers 21L and 21R is controlled by a clerk of a parlor side with a speaker volume 95 provided inside a cabinet 2, while the volume of a second performance sound output from directional speakers 93L and 93R is controlled by a player with a directional speaker volume 96 provided outside the cabinet 2. COPYRIGHT: (C)2008,JPO&INPIT
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