I was playing around with some cheap CCTV microphone modules and managed to create a monophonic spy ear bug for common DVRs. They can be directly powered from the existing CCTV camera power supply ...

MANASSAS, Va.—Force Security president Ken Kocher is a former cop who believes audio and video verification are essential elements of an effective security system. “If a customer doesn't want a ...

Do you remember the cctv microphone review published a while ago? (https://www.edn.com/cctv-microphone-review/). This is a continuation of that post. This time my ...

Here's one way to let users know that the gadget you sold them includes a microphone that you forgot to tell them about: You can announce an over-the-air software ...

Imagine walking onto campus with noise cancelling headphones. You look around and everything appears normal – students are hurrying across the quad as usual. What you don’t realize is that there is an ...

An icon in the shape of a lightning bolt. Impact Link In early February, Google announced that its home security and alarm system Nest Secure would be getting an update. Users, the company said, could ...

Audio enables two-way communication for deterrence, emergency instructions, and security incidents. During a crisis, you can tell people exactly what to do, where to go, or whether to shelter in place ...

Google’s Nest smart home brand is in hot water this week after news surfaced (via Daring Fireball) that its home security system, Nest Secure, shipped with an undisclosed microphone. Google activated ...