Vol. 11 No. 17 (1996): Acústica e Vibrações 17

Summary content:

• Progress in building acoustics;
• The requirement of a minimum auditory rest of 10 minutes every 50 minutes of work, according to the technical norm of the State of São Paulo; and
• The use of absorbent materials in industrial noise control: Possibilities and limitations;
• Tips for noise control.