Definition and explanation of audio loudness measurement units, such as decibel, phon and son.

Describes human ear physiology and its sensitivity to sounds of particular pitch and amplitude.

Peer reviewed electronic source of technical articles in the field of technical acoustics

Technical reference guide for sound recording and related fields such as electronic music, acoustical physics, and signal processing. Includes a keyword search.

Offers short courses in vibration and shock testing and related technologies such as instrumentation, fixture design, stress screening, data acquisition and analysis, also digital signal processing, electronics and design. Two to five day courses meet in Las Vegas, NV, and other US cities, also available as on-site courses.