Industry experts predict that advances in audio analytics will soon rival those of video. Audio applications will support two audio compression formats simultaneously to allow users to take advantage of different strengths of each for different purposes. Improvements will be ongoing in areas such as synchronization, real-time and post-event analytics, audio tracking with PTZ cameras, audio quality and the ability to search for certain sounds. These algorithms are becoming so sophisticated that they can detect certain word usage or even the tone of voice. Since incidents often start with verbal aggression, audio surveillance offers enormous benefit in alerting security personnel early on to prevent a conflict from escalating into violence.
Fredrik Nilsson is general manager of Axis Communications, a provider of IP-based network video solutions that include network cameras and servers for surveillance. This story is part of Mr. Nilssonâ€™s â€œEye on Videoâ€ series appearing in ST&D and on SecurityInfoWatch.com and IPSecurityWatch.com.