The audio begins with the faint, synthetic hum of a distant aircraft. The sound is steady at first, but then it starts to fluctify, producing a vibrato effect that makes the sound feel alive and pulsating. As the aircraft approaches, the sound becomes louder and more intense, its doppler effect coming into play as the perceived pitch increases upon approach and decreases as the aircraft moves away. The audio then takes on a sci-fi twist. The sound of the aircraft transforms, becoming more electric and futuristic. It's as if you're no longer listening to a conventional plane but a spacecraft from another dimension. This is further enhanced with a flanger effect, adding a swirling, ethereal quality to the audio. As the aircraft passes overhead, the sound is at its peak, a rich blend of the synthetic, doppler, vibrato, sci-fi, and flanger effects creating a full, immersive soundscape. After the aircraft passes, the sound fades away, leaving behind a lingering echo of