How to read this chart: horizontally, all three recordings are aligned by the words in the monologue’s four phrases (so that the same words appear directly above one another, even though the models read the text at different speeds—from 21 to 44 seconds).The vertical axis plots the volume envelope and emotional intensity: at the bottom (the turquoise zone, −12…−18 dB) — a quiet, muffled whisper and an exhalation, in the middle (0 dB) — ordinary narrator’s