Practical Approaches to Engineering Noise Controls
• The A-weighted sound level correlates reasonably well with hearing loss and is commonly-used in noise regulations and standards-50-40-30-20-10 0 10 100 200 300 400 500 20 30 40 50 1000 2000 3000 4000 5000 10000 Attenuation, dB Frequency (Hz) What does A-weighting do to the sound? Continuous mining machine conveyor noise Alternating un ...