Amersfoort, 7 May 2009
Detention Concept Lelystad (DCL) is an initiative from the Dutch Ministry of Justice. Objective of the project is to reduce the total cost per detainee and to improve the safety of prison staff. The aggression detection system of Sound Intelligence is one of the innovative techniques implemented in DCL. The conclusions in the final evaluation report are very positive. The aggression detection system performed well and proved to be important in the cells-for-6 concept.

BBC News, 13 February 2009
Security cameras have long been a fact of Scottish life, viewed with relief by many communities and with suspicion by civil libertarians. But what if they were listening to you as well? It has already happened in Glasgow.

The New Yorker, 23 June 2008
One of the most fully realized applications of emotional recognition that I am aware of is the aggression- detection system developed by Sound Intelligence, which has been deployed in Rotterdam and Amsterdam, and other cities in the Netherlands. It has also been installed in the English city of Coventry, and is being tested in London and Manchester.

Coventry Telegraph, 10 March 2008
New device will be attached to CCTV cameras and will be tested in the High Street area of Coventry.

Times Online, 26 November 2006
The microphones can detect conversations 100 yards away and record aggressive exchanges before they become violent. The devices are used at 300 sites in Holland and police, councils and transport officials in London have shown an interest in installing them before the 2012 Olympics.

22 November 2006
CCTV captures violent voices to snare scrappers.

New Scientist magazine, 21 November 2006