Back in 2011, Elektor presented a DIY Ultrasonic Directive Speaker using an array of piezo ultrasonic transducers (up to 200) ...

Hearing loss is irreversible and the most common work-related injury worldwide. Prevention is the only way to tackle this ...

In 2022, the sirens market is anticipated to reach a valuation of US$ 170.1 Million. By 2032, the sirens market is ...

In a dynamic driver speaker, the speaker’s diaphragm directly displaces ... A few startups, including xMEMS, have leveraged the superior characteristics of silicon and piezoelectric materials to ...

A gnarlier piezo tone is often the very thing I’m ... IR on for the Shawbucker position and switch it off through an FRFR ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Joe Perry has one of the most epic guitar collections on the planet, and we’re not just ...

Smart technology is commonplace throughout many people's homes nowadays and there are now even a range of cleaning gadgets ...

The buzzer (also called piezo speaker or piezo disk) comes in two flavors: active and passive. To play melodies you need the passive kind. The active buzzers are what make the 'beep' sound in ...

A piezoelectric speaker is a loudspeaker that uses the piezoelectric effect for generating sound. The initial mechanical motion is created by applying a voltage to a piezoelectric material, and this ...

Hearing loss is a major problem around the world, especially in loud work environments and at events like concerts. Foam earplugs and bulky ear protectors can help, but they have drawbacks. Foam ...