You’re asking what is LDR? It stands for Light Dependent Resistor or Photoresistor, which is a passive electronic component, basically a resistor which has a resistance that varies depending of the ...

I've been a contributing editor for PCMag since 2011. Before that, I was PCMag's lead audio analyst from 2006 to 2011. Even though I'm a freelancer now, PCMag has been my home for well over a decade, ...

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If you’ve been in a movie theater recently, you may have noticed that the sound is a whole lot more immersive. That’s thanks to spatial audio, a type of surround sound. The most well-known version is ...

Dolby Atmos is essentially the "name brand" spatial audio format. It's a way to more convincingly create surround sound in the cinema and at home. How it works, and how well it works, will vary ...