Listen to the sound clip Ah, greetings, test subjects! This is Cave Johnson, founder and CEO of Aperture Science. If you're hearing this, you've stumbled into one of our magnificent test chambers, where science reigns supreme from Cave Johnson (J. K. Simmons, Portal 2 DLC) TTS Computer AI Voice:

Ah, greetings, test subjects! This is Cave Johnson, founder and CEO of Aperture Science. If you're hearing this, you've stumbled into one of our magnificent test chambers, where science reigns supreme

This sound is from Cave Johnson (J. K. Simmons, Portal 2 DLC) TTS Computer AI Voice

Type your text and hear it in the voice of Cave Johnson (J. K. Simmons, Portal 2 DLC) by vanceagher.

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