ultrasonic beacons are indeed present in everyday life without being noticed by most people. Our Beacon based 3D Tracking System is based on an extension of our ultrasonic sensors united by a radio interface used for data transmission. Although we could not detect any beacons in actual TV audio, we observe that the number of apps embedding the Silverpush SDK constantly Ultrasonic Cross-Device Tracking is a new technology that some marketers and advertising companies are currently using to track users across multiple devices and have access to more information than ever before for ad targeting. There are numerous scenarios in which ultrasonic tracking beacons can be surreptitiously used and misused. That could include monitoring television viewing and web browsing habits, tracking users across multiple devices, or determining a shopper’s precise location within a … It is an inaudible sound with encoded data that can be used on a listening device to receive information. Judging by some headlines inspired by this paper, audio beacons are everywhere: “Ultrasonic tracking beacons rising.” -- “Hundred of apps are listening for marketing ‘beacons’ you can’t hear.” -- “Millions Of Android Devices 'Covertly Listening For Audio Beacons'” -- “ULTRASONIC BEACONS ARE TRACKING YOUR EVERY MOVEMENT” An ultrasonic beacon is a relatively new technology that various institutions use to track consumers. Aside from networking, companies use ultrasonic signals (or beacons) to gather information about users. Ultrasonic Beacons Are Tracking Your Every Movement Posted on May 5, 2017 May 9, 2017 Author Cyber Security Review More than 200 Android mobile applications listen surreptitiously for ultrasonic beacons embedded in audio that are used to track users and serve them with targeted advertising. The provider responsible for the ultrasonic beacon is ShopKick. The basic story is that the company is embedding a tracking beacon in advertisement audio using ultrasound frequencies that are outside of the range of human hearing. This detector can be useful in following cases: To check out the work-ability of various numbers of Ultrasonic electronic pest and insect repellent devices as well as any ultrasound emission devices if they work in the … In this use case we test the system to visualize the functionality and tracking capability to locate the sender (transmitter) and receiver in three-dimensional space. UltraSound Detector is the App that allows you to detect ultrasound (ultrasonic) acoustic signals above the user-defined frequency (above 18 KHz by default). Cross-device tracking refers to technology which enables the tracking of users across multiple devices such as smartphones, television sets, smart TVs, and personal computers.. More specifically, cross-device tracking is a technique in which technology companies and advertisers deploy trackers, often in the form of unique identifiers, cookies, or even ultrasonic signals, to … They’re exclusively in retail stores. In particular, we spot that 4 of 35 visited stores in two European cities use ultrasonic beacons for location tracking. ... For ultrasonic tracking companies like Silverpush or ShopKick, or really any company that tracks and collects data for advertising, transparency is especially important. An ultrasonic beacon and a ultrasonic receiver is very similar to a beam barrier circuit, the only difference is we don’t sound an alarm when an object breaks the ultrasonic path, but instead we try to locate the ultrasonic beacon by moving the receiver.