Over the past decades, engineers have introduced numerous technologies that rely on light and its underlying characteristics. These include photonic and quantum systems that could advance imaging, ...

Pulse density modulation (PDM) is a compact digital audio format used in devices like MEMS microphones and embedded systems. This compact primer eases you into the essentials of PDM audio. Let’s begin ...

Apple successfully released the new iPhone 17 lineup and iPhone Air with promising features to improve the user experience, but something went under the radar during the announcement. One new feature ...

Pulse width modulation has been giving some users problems since the iPhone X. Fortunately, Apple is gearing up to tackle screen strobing issues with a new accessibility option. A new accessibility ...

Apple had a lot to say about its new phones during the “Awe Dropping” event Tuesday, but there were plenty of little features that couldn’t fit in the keynote. One interesting feature spotted in the ...

The iPhone 17 models include an Accessibility setting to disable pulse width modulation (PWM), according to information found in the iOS 26 release candidate. There will be a toggle located in the ...

Computer Science and Engineering Ph.D. student Nayan Bhatia demonstrates Pulse-Fi, technology that uses WiFi signals to measure a person's heart rate. Heart rate is one of the most basic and important ...

The Pixel 10 Pro series introduces a new “sensitive eyes” setting that doubles its display PWM rate to 480Hz. The option is limited to the Pro models, with partial support on the Pro Fold, and none on ...

Fundamental continuous and discrete-time signals and their implementations using Matrix laboratory. Concepts include CTS, DTS, Amplitude modulation, Amplitude demodulation, Double sideband suppressed ...