I worked at a place once where we got a memo that asked everyone to stop clipping nails and farting because the microphones installed in our desks were picking these noises up. The memo even added that if you need to fart please go to the bathroom. It wasn't a joke email, they were serious.
Oh, also not many people realize this but CCTV cameras all have the capability to convey audio captured via an internal microphone. It just depends on whether they have hooked the wires up to enable this feature. But, the innate ability is there. And, the CCTV software the guards use have the ability to store, retrieve and play this back alongside the video playback.
Oh, also not many people realize this but CCTV cameras all have the capability to convey audio captured via an internal microphone. It just depends on whether they have hooked the wires up to enable this feature. But, the innate ability is there. And, the CCTV software the guards use have the ability to store, retrieve and play this back alongside the video playback.