India’s Paytm introduced the innovative sound box, a pocket-sized speaker designed to instantly validate and announce successful payments to merchants. It has deployed millions of these devices to the ...

Skype has a dedicated sound test tool via which you can check to see whether both your microphone and speakers are working as they should. The tool works by having you call an automated computer ...

When specifying cooling equipment, engineers are faced with myriad decisions affecting performance and layout. One critical consideration is the noise emitted. As population density rises in major ...