Video and audio surveillance systems designed to make riders more secure are also recording the conversations of passengers on some trains. ... A sign on a Hudson-Bergen Light Rail train, ...

But TriMet already is coy on the value of the audio data it will capture. In an apparent effort to mollify a wary public, it says recordings will be destroyed after 48 to 72 hours.

New Jersey Transit's director defended the use of audio surveillance systems on some of its trains Tuesday, as some questioned the monitoring's legal and ethical underpinnings.

By deploying audio alongside a video system, security managers enable a faster intervention and greater prevention of campus violence. Emerald Media Network Advertise ...

Explore how privacy concerns affect audio features in video cameras and surveillance systems, balancing security with personal privacy. Most of today’s video surveillance cameras are capable of ...

Wearable video and audio surveillance. Sep 26, 2014. Security companies and armed response personnel are an integral part of life in South Africa. However, their day-to-day jobs are often fraught not ...