[lightedman]

Yes, it has. Consumer-wise, we've had Dragon Naturally Speaking since the late 90s. It's pretty simple to have a script read what it outputs text-wise and look for key words. No AI is even needed to do this.

[RC_ITR]

Gaussian transcription models are old, but they also are AI.

They are not deep learning/neural nets.

Also fun fact as a pedant tax: Symantec is so named because they started out as transcription software, hit a wall, and pivoted to security SW.