## Hypersonic Sound

> HyperSonic Sound What, How? questions about
> Complex Signal Processing using Non-Linear Auditory Frequency Selectivity
> Tim Bigelow: Experimental Evaluation Of Nonlinear Indices For Ultrasound Transducer Characterizations", Master's Thesis, University of Illinois at Urbana-Champaign, 2001.
> Woody Norris has a way of getting inside your head
> Psychological Attributes of Sound
> Silicon Micromachined Microphones
> The Sound of Things to Come
> Cutting Edge Technology to Send Sound Where it Belongs
> Sonic Bullets to Be Acoustic Weapon of the Future