| 摘要 |
PROBLEM TO BE SOLVED: To allow a player to bodily sense excellent presence while reducing noises by installing a mechanical vibrator which is fed with a part of a voice signal input supplied to a speaker to cause a vibration at a position of letting the player bodily sense vibration in a game machine equipped with a speaker for sound effect. SOLUTION: An amplifier 1 for amplifying a stereo signal is connected to an input side connector 11 of a sound effect auxiliary device 10 while speakers 2 and 3 are connected to an output side connector 12. A sound effect part 13 is provided in the auxiliary device 10 to generate an auxiliary sound effect on the speakers by vibrators 6 and 7, and a relay switch 15 is provided for the connection of an attenuator 14 which is adapted to suppress voice signal inputs to the speakers 2 and 3 when the sound effect part 13 is inserted. When the relay switch 15 is turned on to insert the sound effect part 13, a voice output level is suppressed by the attenuator 14 while a part of the voice signal input is supplied to the vibrators 6 and 7. Thus, a player can bodily sense vibration as vibration through bones. |
