As the audio titled "Sinusoidal Waves" begins, a soothing hum of electronic synthesizer fills the space. It's a distinct noise, one that's been carefully crafted to resemble the gentle ebb and flow of sinusoidal waves, a term referring to a smooth, repetitive oscillation. The sound is unbroken, a continuous loop that immerses the listener in a meditative state. It is as if you're submerged in a deep and tranquil ocean of sound, where the waves of noise rise and fall in a rhythmic, predictable pattern. The synthesizer's tones are rich and enveloping, creating an atmosphere of calm and relaxation. There's a healing quality to the sound, something that reaches beyond mere listening and touches the soul. Overlaid with this is a layer of reverb, a technique commonly used in electronic music. The reverb seems to stretch and expand the sound, making it echo as if you were in a large, empty hall. It