Will KGB Technology Help Turn Your Smart Home Into An Actual Smart Home?
Smart devices would not be very smart if they can’t understand what people are doing around them or if they don’t know where they are. According to the Carnegie Mellon University researchers, environmental awareness can be increased by analyzing sound and vibrations. The teams of researchers have thought about two ways to solve this problem — one involves the use of microphones and the other using an eavesdropping technology used by the KGB in the 1950s.
Ubicoustics is a sound-based activity recognition system that uses the microphones already present in smartphones, smart speakers, and smartwatches. This allows them to recognize specific sounds related to each place, such as the bedroom or kitchen.
It could alert the user when someone knocks on the front door, for instance, or move to the next step in a recipe when it detects an activity, such as running a blender or chopping. In their tests, Ubicoustics showed an 80% accuracy.
Vibrosight can detect vibrations using laser vibrometry. This is a technique similar to that used by the KGB. Some examples of activities that create vibrations are running on a treadmill or typing on the keyboard. While sounds interfere with each other which makes using microphones a bit challenging, using vibrations is an easier option as vibrations don’t interfere with each other.
Source: https://www.rdmag.com
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