What tone of voice do you imagine the narrator to use in the tell tale heart?

In "The Tell-Tale Heart," the narrator adopts a frantic and obsessive tone, reflecting his unstable mental state. His voice is filled with anxiety and urgency, as he attempts to convince the reader of his sanity while revealing his descent into madness. The tone oscillates between calm rationality and explosive emotion, creating a sense of tension and unease throughout the narrative. This duality effectively mirrors the narrator's internal conflict and growing paranoia.