Soon you'll enter to live events by using ultrasonic sounds from your smartphone as tickets!


Ticketmaster will soon be able to admit you to live events using nothing more than a discrete digital audio broadcast from your smartphone. The ticketing giant has partnered with LISNR, a data-over-audio company that uses an ultrasonic sound technology it calls “smart tones” to transmit information between devices.

LISNR's technology will be used to power attendee verification for hundreds of millions of tickets. The rollout has already begun in some North American venues, a process that will continue globally in the coming years.

LISNR's smart tones constitute audio signals in the 18.75 kHz and 19.2 kHZ range and are inaudible to more than 90 percent of the human population. As you approach the venue, you take out your phone and it broadcasts your ticketing data, be it over smart tones, NFC, or RFID, which is detected by a scanner at the venue and confirms your identity, thus expediting the entry process.



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