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	640Hz Sine Wave Test Tone - 600 Seconds (10 Minutes) (600 Seconds of Sine) View
	620Hz Sine Wave Test Tone - 600 Seconds (10 Minutes) (600 Seconds of Sine) View
	670Hz Sine Wave Test Tone - 600 Seconds (10 Minutes) (600 Seconds of Sine) View
	Sine Wave Test Tone - 640 Hz for 10 Minutes (Audio Harpoon) View
	560Hz Sine Wave Test Tone - 600 Seconds (10 Minutes) (600 Seconds of Sine) View
	240Hz Sine Wave Test Tone - 600 Seconds (10 Minutes) (600 Seconds of Sine) View
	820Hz Sine Wave Test Tone - 600 Seconds (10 Minutes) (600 Seconds of Sine) View
	610Hz Sine Wave Test Tone - 600 Seconds (10 Minutes) (600 Seconds of Sine) View
	Sine Wave Test Tone - 528 Hz for 10 Minutes (Audio Harpoon) View
	640 Hz Frequency Test (Frequency Tester) View