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 ...

A Pentagon inspector general report concluded that Secretary of War Pete Hegseth sent sensitive, nonpublic strike information over the encrypted app Signal using his personal phone, a violation of ...

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Veterinary ECGs face added challenges, as muscle tremors, shivering and motion artifacts can easily dominate the signal. Smaller animals such as cats and exotic species produce lower QRS amplitudes, ...

An inspector general report to be released on Thursday examined the defense secretary’s use of a private messaging app to discuss airstrikes in Yemen. By Robert Jimison Megan Mineiro and John Ismay ...

The FBI hacked into Signal group chats used by immigration activists who were watching court proceedings in New York City, according to a report. The documents claim that the FBI characterized the ...

Before 5G took off in 2019, the old 4G LTE standard was the primary method for transmitting data on phones. Today, some of the best 5G smartphones are readily available. Still, these devices don't ...

I review privacy tools like hardware security keys, password managers, private messaging apps, and ad-blocking software. I also report on online scams and offer advice to families and individuals ...

Cellular signal boosters use big antennas to improve the coverage in your home or other property. These are the top signal boosters for apartments and houses. I’m one of PCMag’s mobile writers. That ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Joel Santo Domingo Joel ...

If you aren't willing to haul around a heavy SLR or mirrorless camera but still want something better than a smartphone, check out the top point-and-shoot cameras we've tested. Images, and the devices ...

Though credit cards offer a plethora of perks like welcome bonuses, access to airport lounges and rewards on everyday spending, there are some downsides to holding a credit card, like paying late fees ...