It’s inaccurate, but honestly not too inaccurate. The revised chart he ends up with is pretty similar to the traditional one. The important thing is to think of

It’s inaccurate, but honestly not too inaccurate. The revised chart he ends up with is pretty similar to the traditional one. The important thing is to think of it as a simplified graph in formant space, rather than as directly showing tongue/lip positions. > From what I understood, one of the main downsides of the chart is it focuses on tongue position, but not lip position. The main downside is that it claims to focus on tongue position, but really it uses a weird, poorly-defined hybrid of acoustic and articulatory criteria. Lindsey’s point is that focussing on acoustics alone lets us produce a diagram which is generally more sensible and more principled, but still very similar to the traditional one.