You might be interested in a project, doing exactly that: https://voice.mozilla.org/ https://voice.mozilla.org/ Audio data of people reading prompts is quite c

You might be interested in a project, doing exactly that: https://voice.mozilla.org/ https://voice.mozilla.org/ Audio data of people reading prompts is quite common, what is missing for robust voice recognition is plenty of data of e.g. people screaming it across the room. There is only so much physics simulations can do.