Description
Pure sine wave 100Hz for ten hours. The Sine wave is the purest of all waves as it oscillates up and down (actually back and forth or in and out regarding speakers in a longitudinal audio type wave) in a perfect curve. There are no edges to the wave as opposed to a sawtooth, triangle, square wave and most sound-waves occurring in the natural world. Good for testing audio components. 192kbps mp3 format
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