AT&T Natural Voices

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Condition & Situation Announcements

The condition and situation alert prompts were created with the “AT&T Natural Voices” demo available at

At the time of this writing, the current voice being used is “Audrey” (UK English). This can be demonstrated by entering in the following text:


The output file is EXACTLY the same as the voice on the OTP22 Circuit. AT&T Output: AT&T Natural Voices - Code Red, Situation Delta in Effect.wav


Comparison of “Code Red” Recordings. On the below Audacity screen-capture, the top waveform was recorded during a live call to 303-309-0004, while the bottom is the audio clip created with AT&T Natural Voices.

Code Red Recordings Compared.png

See also

TWC Switch Recording