Details
As the audio "Stop for Buses" begins, the distant, low hum of an approaching bus can be heard. The sound gradually grows louder, invoking a Doppler effect as the bus moves closer. The noise is distinctive, a unique harmony of engine roar and the rhythmic thump of heavy tires on the road. Suddenly, the sound of the bus shifts, the engine noise deepens and the Doppler effect lessens. The noise of the engine transitions into the unmistakable sound of a bus braking, a low grating growl that echoes along the city streets. Then, a moment of near silence, broken only by the quiet hiss of the bus doors opening. After several beats of quiet, the bus doors close with a soft thud. The engine rumbles back to life, the Doppler effect re-emerges, and the volume of the bus noise grows fainter and fainter until it is once again a distant hum, leaving behind only the echo of its
