While subvocal is cool and would allow for speech in more places, something that’s earlier on the tech tree and that I would like to see is just robust lipreadi

While subvocal is cool and would allow for speech in more places, something that’s earlier on the tech tree and that I would like to see is just robust lipreading. I already am comfortable talking to my phone quietly using my AirPods while looking at my screen, but it seems like in loud public places the accuracy becomes unusable. I imagine it could be easily recovered by the additional signal of lipreading.