Stephen P. Tarzia

Acoustic Background Spectrum

One of the major parts of my PhD thesis was developing a method for smartphones to determine their location by listening to backgound sounds. This work is described in the following paper:

Batphone localization app

We have an iOS app available. A demo video is posted on YouTube.

Listening game

Play the room identification listening game. WARNING: not compatible with Internet Explorer

Data and Matlab code

The raw data (recordings) and Matlab code used to produce the above results are available for download here. If you use this code or data in an academic publication, please cite the above paper. Note that our technique may be patented by Northwestern University, so please contact the authors or McCormick's office of technology transfer if you would like to use it in a commercial application.