400 Hertz Frequency

As this audio starts, a continuous, clear sound resonates, carrying the distinct purity of a sine wave. This is the sound of a 400 Hertz frequency, a precise, high-pitched tone that fills the listening space. It is a hum that possesses the unique characteristic of sound wave patterns, oscillating at a rate of 400 cycles per second. The sound is steady and unvarying, creating a uniform audio experience that is both soothing and hypnotic. Each wave of the sound is a testament to the remarkable consistency of the 400 Hertz frequency. The audio is devoid of any interruptions or distortions, ensuring a smooth and immersive auditory journey.