Vol. 7 No. 11 (1992): Acústica e Vibrações 11

Summary content:

• Motivating workers to use hearing protection devices;
• Noise-induced hearing loss and current Brazilian legislation;
• Design and construction of the anecoic chamber of the Laboratory of Acoustics and Lighting of the CIC – Rep. Argentina; and
• Instrumentation of a spectrum analyzer with a PC; and
• Papers presented at the IV SICOS and XII Meeting of SOBRAC-1992.