Resemble AI's speech-to-speech engine allows for real-time, natural-sounding speech in various applications such as gaming and advertising. The tool captures nuances in speech to generate human-like voices seamlessly combined with text-to-speech technology. Resemble AI also offers an API for easy integration into apps for low-latency voice conversational experiences. Use cases include dynamic dialogue creation in games and thousands of personalized audio ads in seconds. Ethical usage guidelines are provided by the company.