In this audio clip titled "15-Second Humming Sound," you are enveloped in an uninterrupted, monotone hum that lasts for a quarter of a minute. This ambient sound is reminiscent of electricity coursing through wires, generating a constant hum that is often associated with electrical appliances or installations. It is a background noise that subtly fills the silence, creating an atmosphere akin to being backstage at a live event where the sound of buzzing electrical equipment is ever-present. The hum oscillates at a steady rhythm, forming a near hypnotic, buzzing drone that is both soothing and strangely enchanting. This audio sample captures the essence of a humming sound, offering a sense of engaging familiarity for listeners.