ChatGPT developer OpenAI is working on software to clone human voices, an innovation that could transform how films, shows and other content is consumed in foreign languages, but one that is also being seen as a threat to democracy. “Voice Engine […] uses text input and a single 15-second audio sample to generate natural-sounding speech that closely resembles the original speaker,” the US company announced. OpenAI says it has been developing software since 2022 designed to convert text into speech. However, it remains to be seen if and when Voice Engine will be available to the general publi…