Acoustic Touch Screen Demonstration

Demonstration of using acoustic localization to turn a chalkboard into a touch surface. Milwaukee School of Engineering senior design project, 2011.


Technical details: The waveforms coming from the accelerometer are matched against a library of waveforms collected during calibration. The calibration point with the best match (according to a cross-correlation of the two waveforms) determines where the click is positioned on the screen.
How Apple will react to this?


About benvitalis

math grad - Interest: Number theory
This entry was posted in Science & Technology and tagged . Bookmark the permalink.

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s