Hi Harry, Do you mean antialiasing for the pixel array? For the prototype here, we sent binary signals of “on” being vibrations at around 75Hz and off being silence. This seemed to provide the clearest contrast for the pixels. Some sort of smoothing would be nice but it was hard in practice to both localize the signal and tell the difference between different frequency vibrations at the same time.
-Greg
Great! Have you tried varying the speaker frequency to get a kind of anti-aliasing
Hi Harry, Do you mean antialiasing for the pixel array? For the prototype here, we sent binary signals of “on” being vibrations at around 75Hz and off being silence. This seemed to provide the clearest contrast for the pixels. Some sort of smoothing would be nice but it was hard in practice to both localize the signal and tell the difference between different frequency vibrations at the same time.
-Greg
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