ref: 3904b5aba5accc6bab47363b2f9e9996212c3ed6 dir: /music/sfx/sfx_1f_3d.asm/
SFX_1f_3d_Ch1: ; 7c490 (1f:4490) duty 2 unknownsfx0x10 23 unknownsfx0x20 15, 240, 240, 4 unknownsfx0x20 15, 242, 80, 6 unknownsfx0x10 8 endchannel ; 0x7c49f