detect sound ahk

inputbox, triggervol, What do you want your trigger volumer? .0 something

#Include VA.ahk
#SingleInstance, Force
audioMeter := VA_GetAudioMeter()
VA_IAudioMeterInformation_GetMeteringChannelCount(audioMeter, channelCount)
VA_GetDevicePeriod("capture", devicePeriod)
Return

f1::
loop{
	VA_IAudioMeterInformation_GetPeakValue(audioMeter, peakValue)
	while (peakValue>triggervol)
		{
		click
		;msgbox, I heard that
		Sleep, 3000
		VA_IAudioMeterInformation_GetPeakValue(audioMeter, peakValue)
		}
Sleep, 3000
}

f2:: ExitApp