Audio QR – The Technology Behind Google’s “Tez” App

They say Technology is the biggest innovation.

With the inundation in technologies, all the market standards are adopting them in their own way and are implementing them, for meeting their business insights. Out of ample of technological solutions, there are few of them that sweeps almost all the industries through the storm and the one that is currently catching the high user attention rate is Audio QR .

What is Audio QR ?

Much more similar to your Bluetooth and NFC, it allows you to make the transactions over the connected devices. With Audio QR, two devices placed, within the suitable diameter range may interconnect. Using the ultrasonic sound system, it identifies the other user through the sound and permits you to transfer the data, without sharing any sensitive information.

The Ultrasonic?Frequencies:

Ultrasound is the sound range or frequencies used by electronic devices in communication. Practically, these are the sound vibrations above 20,000Hz. Since it consumes high bandwidth, the data transfer remains very slow. However, this technology can be used to transfer small files or large files in small parts. It works in a simple way ? the speaker at one end throws ultrasound frequencies in form of pulses. The receiver at the other end captures the pulses and converts the frequencies back in the original data.

Audio QR can be currently said as one of the most astute mechanisms for making the digital payments. It works as a great substitute for both NFC and QR code scanner, thus motivating the Mobile App developers to use it as a great tool for meeting the vast crowd of the digital economy. The communication based on the ultrasonic waves is not a new concept and has been used with the some of the earlier devices. Going back in the previous days, ultrasonic waves were used for transferring the data in chrome cast to connect the devices. Brands such as Lisnr, Chirp have also used it for data transfer.

Recently, Google launched its payment app in India named Google Tez. This is for the first time when these waves are being used for making the payments in a safe andsecure form.

The reason ultrasonic waves are used in Audio QR is the frequency range of these waves are very compatible with smartphones mike and speakers. Hence the voice in the form of waves can be easily transferred to the other person that has audio QR functionality activated on any of the Mobile Apps.


How Mobile Apps can use Audio QR feature

According to the current proposition, there is almost no technology that cannot be integrated into the mobile app. IoT, AR, VR, Beacon, NFC etc. all are exploiting the mobile apps for making the execution of activities seamless.

Security mobile apps Audio QR can be said as a crucial beneficiary to the security mobile apps. In the organizations, in case of occurrence of any suspicious activity, you can activate the Mobile App, and with the help of QR the signal can be transmitted to the alarms, thus helping for bringing the instant rescue.

Social Networking apps With the help of Audio QR, you can actually make new friends, how Well, if you are checking-in for some party alone, you can switch your Audio QR based mobile app, to search for the partner. You can simply tap the name, fetch details and can make an easy entry.

Identity recognition solutions Audio QR helps to verify the individuals identity, in a much-simplified way. You are assigned a QR code for making an attendance, or for entering at the airports, or while attending a private business meeting. Simply click on the app, for getting identified, and easily embark with your presence.

Payment Wallet Apps You can transfer the amount very easily through Audio QR, simply identify the person. Thus, tap and pay without sharing personal information. In the industrial domains such as Bitcoin app development, financial app development, it can help you make the money transfer very easily. The steps are indeed simple and hence there are ample of apps out there that are using Audio QR for making their payments automated.

One such app that is using Audio QR is the Google Tez App- The most popular digital wallet app.

Google Tez App is embedded with the Audio QR technology and allows you to transfers the amount using the UPI (Unified Payment Integration). With its collaboration with a number of nationalized banks, the app opens new doors of opportunities for peer-to-peer money transfer.

Here is how Google Tez makes use of Audio QR :

  • Open the App, slide to pay and let the app search the nearby devices
  • Once found, ask the target device to select Accept
  • Once paired, select the mode of payment, amount, and select Pay
  • The amount will be transferred to the provided bank account of your target device.

Mobile app developers at Octal IT Solution are keeping an eye on Audio QR and we can expect lot more apps running with this technology, in the foreseen business for making the payments in a completely transparent manner. The time is not far away when the mobile apps will perform all the functions under the supervision of your voice. Just order them, payments done. Press a button, coffee maker makes the coffee. At the time scheduled, AC turned off at the time decided and there is lot more that is yet to arrive. Hence, lets wait for some more apps with Audio QR and how the developers and businesses will be using it is definitely the concern to be focused upon.


Audio QR  the rising technology works with the vocal cord and uses the ultrasonic waves of your devices to establish the connection. Just order your app to do the transaction, it will do it. It shuns the NFC and QR code scanning because the App does it by itself, thus it can be said as the substitute of two technologies.



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