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Audio for Access Control?

Matt Golueke July 6, 2017 17:01 PM


Smartphones are slowly working their way to becoming the preferred credential for many applications.

Below is some information we gathered this week from The Hustle based on the article published by The Verge here. Subscribe to The Hustle here.

Ticketmaster is eliminating the days of waiting in line at a concert venue while the concert-goer ahead of you fumbles around for his QR code. Ticketmaster announced it will be launching a passive ticketing system that checks people into events using ultrasonic audio transmitted from your smartphone. 

The idea is similar to Google’s Nearby feature which lets users interact with surrounding services and devices up to 100 feet in proximity.

What is interesting is how this technology might one day allow employees and visitors into a secured building.

Ticketmaster will be partnering with Cincinnati-based Lisnr, a company that uses “smart tones” to transmit information between devices. Something they refer to as "data-over-audio."

If you’ve already purchased a ticket to a venue, your phone will emit an audio signal between 18.75 and 19.2kHZ -- a frequency that is inaudible to 90% of people. Below is an audio clip that will determine if you can hear this frequency or not.

In the ticketmaster application, a scanner at the entrance detects the specific frequency being emitted and verifies your identity. The technology is linked to your account and your mobile device. This level of identity verification nearly eliminates ticket fraud for Ticketmaster.

Topics: Technical - Simplified

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