[EU] [GC] Skies Of Arcadia sound emulation problems

[BlackWind]

hi i was wondering if theres anyway to to fix the lagging and missing audio on dolphin. Game FPS is fine in case you ask.

Dolphin V2.0

my pc spec
Processor:
Intel® Core™2 Quad CPU Q6600 @ 2.40GHz (4 CPUs), ~2.4GHz
Memory:
2GB RAM DDR3
Video Card:
Saphire ATI Radeon HD 3870
Sound Card:
realtek on board 5.1
Operating System:
Windows 7 Professional 64-bit
Direct X: fully up to date