MEMS have been used in cellphones for years but haven’t been capable of integration into earbuds until recently
This is all you need to read in the article to see the author doesn’t know what they’re talking about.
MEMS microphones have been used in cellphones and earbuds for years, because they are a mature technology that works very well and provides miniaturisation potential.
MEMS drivers (loudspeakers) are not used in smartphones at all because there is a very limited environment where they work well.
In short the reason why this is the case is because it is an awful lot easier to make something very small which can be moved by moving air rather than something small which can generate movement of air.
This is all you need to read in the article to see the author doesn’t know what they’re talking about.
MEMS microphones have been used in cellphones and earbuds for years, because they are a mature technology that works very well and provides miniaturisation potential.
MEMS drivers (loudspeakers) are not used in smartphones at all because there is a very limited environment where they work well.
In short the reason why this is the case is because it is an awful lot easier to make something very small which can be moved by moving air rather than something small which can generate movement of air.