NOISE CONTROL By APOCALYPSE ACOUSTICS SCIENCES CORP

INTRODUCTION TO NOISE CONTROL   By APOCALYPSE ACOUSTICS SCIENCES CORP Definitions and Background   What is Noise?  Noise is disagreeable or unwanted sound.  In many instances, noise is a relative definition of a sound since one person’s music may be another person’s noise.  It is difficult to give a very clear definition of an irritating noise. Continue reading “NOISE CONTROL By APOCALYPSE ACOUSTICS SCIENCES CORP”