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Motoring news

Drivers warned of 'noisy' convertibles

07/10/2009

Driving a convertible car with the roof down can lead to hearing damage, a study in the US has found.

The research, in which noise levels were recorded in several cars travelling at a range of speeds, revealed that drivers were consistently exposed to noise above the 80-decibel (dB) threshold at which hearing damage can occur.

In a summary of the study, published in the American journal Otolaryngology - Head and Neck Surgery, the researchers note that they found minimal difference between noise levels at speeds of 50, 60 and 70mph. In the worst case they recorded a noise level of 99dB - broadly equivalent to a tube train passing three metres away.

Presenting their findings to a conference of head and neck specialists, the study's authors suggested that convertible-owners follow the example of motorcyclists and use ear protection.

They also stressed that leaving the side windows raised could cut noise levels to 82dB, even when the top was down.

Commenting on the findings, Dr Mark Downs of the Royal National Institute for Deaf People told BBC News: "Noise-induced hearing loss is frequently preventable.

"By winding up the windows or wearing basic ear protection, such as earplugs, drivers of convertibles can still enjoy driving whilst protecting their hearing."