The audio titled "Fingertip Calculations" begins with a soft, low hum of a busy office environment. You can hear the faint chatter of office personnel and the occasional rustling of papers. The main focus, however, is the sound of a calculator. It's a distinct clicking, the rhythmic dance of fingertips on the keys, echoing the heart of the noir genre. Each digit entered, each equation solved, resonates with a purposeful precision. The sound of the calculator is punctuated occasionally by the low, almost whispered narration of the protagonist, explaining the calculations in a voice that carries the weight of the world. The audio carries a sense of intrigue and mystery, a story unfolding within the confines of an office, told through the language of numbers and the relentless rhythm of fingertips on a calculator.