ref: 8dd46620bc7e17c4c582a391fb95c9e29ef58576 dir: /audio/sfx/sfx_1f_47.asm/
SFX_1f_47_Ch1: ; 7c518 (1f:4518) duty 2 unknownsfx0x20 4, 240, 0, 7 unknownsfx0x20 4, 0, 0, 0 unknownsfx0x20 4, 240, 0, 7 unknownsfx0x20 1, 0, 0, 0 endchannel ; 0x7c52b