Without an easy interface for clicking through to purchase, audio and video ads have, until recently, been best suited to upper-funnel brand-awareness campaigns rather than direct response. But now, ...

A startup called Lisnr wants to replace NFC and QR codes with a new technology that sends data over audio — a communication protocol it’s calling Smart Tone. The technology it’s invented can be used ...

A new startup called SonicNotify has developed a technology that will enable smartphone apps to receive data via high frequency sound inaudible to the human ear. Though limited, the signals would be ...

Uttar Pradesh Tourism Department is launching a QR Code-based Audio Tour Portal to improve visitor experiences at over 100 key sites. The initiative aims to make heritage accessible to both domestic ...