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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 ...

Here is a simple circuit you can use to measure the attack and release times of photoresistor-type optocouplers that often find use in audio compressors or volume-control circuits (figure). The design ...

While TVs have become better and better over the past 15 years, audio has taken several steps backwards. Many of us have sacrificed fidelity in pursuit of convenience and portability, adopting ...

Spatial audio brings head tracking and simulated surround sound to Apple's AirPods and Beats headphones. Should you go out and buy a new pair just to get it? I've been a contributing editor for PCMag ...

When it comes time to connect your shiny new soundbar or AV receiver, your two main choices are HDMI or optical digital audio. The simplest advice is to go with HDMI when you can. But if you can't ...

All products featured on WIRED are independently selected by our editors. However, we may receive compensation from retailers and/or from purchases of products through these links. Learn more. I ...

Recently, Adobe released a free AI-powered audio processing tool that can enhance some poor-quality voice recordings by removing background noise and making the voice sound stronger. When it works, ...