Dolphin has disturbance sound when I play Games

[dlkl1]

[color=#000066]It's many time dolphin has disturbance sound when I play Inazuma Eleven Strikers, Inazuma Eleven Strikers 2012, Inazuma Eleven Strikers Go! 2013. I try to play in many computer with many OS [/color][color=#666666](XP (32-bit), 7 (32 and 64-bit), 8 (64-bit))[/color], [color=#000066]it has same problem.[/color]
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[color=#000066]Dolphin Version 3.0.770 - 3.0.917 has same problem. I not play this game in Dolphin [/color][color=#000066]3.5.367 because it's slowly than version 3.0.xxx[/color]
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[color=#000099]Listen disturbance sound here : http://www.woo55.pk/play/8718/rec0508-213108-(2)-mp3[/color]
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[color=#000066]System Information of computer 1[/color]
[color=#000066]- RAM 2 Gb.[/color]
[color=#000066]- Intel Core 2 Duo 2.80 GHz.[/color]
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[color=#000066]System Information of computer 2[/color]
[color=#000066]- RAM 4 Gb.[/color]
[color=#000066]- Intel Pentium 2.20 GHz.[/color]