Sam typed again: “That is a lie. I heard you breathing.”

: While described as a clear male voice, some users have historically compared it to Apple’s "Alex" voice, noting that while David is intelligible, newer "natural" voices may offer more fluid intonation and audible breathing cues. Apple Support Community Technical Context: "Cepstral" Analysis

Cepstral is still in business, though the company has shifted focus. As of 2025, here is the status of the David voice:

I liked my life. It was logical. It was efficient. But then, I met Sarah. Sarah didn't ask for directions. She didn't care about the humidity. She walked up to my terminal, looked directly into my optical sensor, and asked, "David, do you ever wonder what’s beyond the Spires?"

: Evaluation versions can be downloaded directly from the Cepstral Downloads Page .

Due to its clear and professional tone, the David voice is widely used in various sectors:

Cepstral voices are typically licensed; confirm whether your intended use (commercial distribution, embedding in a product, etc.) requires a specific license. Check Cepstral’s licensing terms before redistribution.