LF 2006, the 12th meeting in the Low Frequency Series, was attended by nearly 50 delegates from 13 countries. The main interest in problems of low frequency noise and vibration comes from Japan and Scandinavia, whilst the host country, the UK, was represented by seven papers. LF2006 followed previous conferences in the series by covering several related areas, including measurement, occurrence and assessment of low frequency noise, effects of low frequency noise on people and structures, cognitive aspects of low frequency noise, effects of vibration on people, control of environmental vibration and its associated noise.