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The Effects Of Different Types Of Noise On Human Heart Rate, Jose R. Fabregas

Theses

In an industrial environment, chronic noise exposure is assumed to affect human heart rate. If this is true, people who are more sensitive to noise will run a higher risk of incurring cardiovascular diseases.

Sixteen healthy experimental subjects, all with normal hearing, eight males and eight females, were exposed to five different types of pink and white noise at 60, 70, 80, and 85 dBA in order to determine if any relationship exists between the heart rate and sex. Each individual was exposed for a maximum of thirty seconds for each type and level of noise. Audiometric tests were given …