Vol. 7 No. 10 (1992): Acústica e Vibrações 10

Summary content:

• Differences in noise-induced hearing loss among workers in different activities in the same petrochemical industry;
• Validation, diagnosis of industrial audiometry;
• Effects of noise pollution on sleep and general health-urban emphasis;
• Noise pollution in Belo Horizonte;
• Computer acoustic simulation;
• The power of sonic energy;
• Acoustics and Architecture. A methodology for its integration; and
• Evaluation of noise levels in agricultural tractors and their effects on the operator.