'Everyone was saying there has been a marked reduction in criminal damage and problems with the shops, so they've really welcomed it.' She said: 'We had a meeting with local retailers arounds here - after it had been installed for around three weeks - and feedback was really positive. Swindon's anti-social behaviour co-ordinator Cheri Wright says it is working well.
But I understand from young people who have been exposed to the noise, it is very annoying.' He said: 'I'm in my fifties and when it's turned on all I can hear is a very faint buzz. In trials, it has proven that the longer someone is exposed to the sound, the more annoying it becomes.Ĭrime Reduction Officer Bob Walton elaborated further: 'Effectively, it's a transmitter which sends out a specialised frequency noise which according to the manufacture is particularly audible to young people under the age of 25. And it works by emitting a harmless ultra sonic tone that generally can only be heard by people aged 25 and under. It was named the 'Mosquito' because the sound resembles that of a buzzing insect.
