The world's loudest burp measured from a distance of 2.5 m (8ft 2 in)and 1 m (3 ft 3 in) high, read 104.9 dB on a certified and calibrated class 1 precision measuring noise level meter, and was achieved by Paul Hunn (UK) at the offices of Guinness World Records, London, UK, on July 20, 2004.