Though these changes can go unnoticed by a person with a disease, relatives and friends more often pick up on it, but a computer algorithm that detects nuances of speech and subtle changes could detect abberations with much greater frequency.
Patwari plans more research on whether different or multiple radio frequencies might detect breathing better than the one 2.4 gigahertz frequency used in the study.
Philips DoubleBASS uses the powerful processing of the system to detect ultra-low frequencies and then recreate them within the audible frequency range of the subwoofer, giving the impression of delivering bass down to an amazing 20Hz.