| 摘要 |
PROBLEM TO BE SOLVED: To reduce noises perceived by a game player and to make clearly audible to the player the performance sound of a game machine with which the player is playing.SOLUTION: A plurality of game machines installed side by side in an island facility each comprise: sound signal collection means for collecting data of sound signals of performance sounds generated by each of the other game machines installed around; performance real noise calculation means for calculating a performance real noise which is a performance sound from each of the other game machines assumed to be heard by one game player, from the sound signal data collected by the sound signal collection means; suppression sound signal generation means for generating a suppression sound signal having a phase reverse to the performance real noise calculated by the performance real noise calculation means; and suppression sound output means for outputting the suppression sound. |
