Web Directory

» Acoustic Material Tables
   Extensive table of acoustic properties, expanded from the late Alan Selfridge's 1985 paper.
   http://www.ondacorp.com/tecref_acoustictable.html

» NPL Acoustics: Calculation of Absorption of Sound by the Atmosphere
   Computes the attenuation coefficient according to ISO 9613-1 as a function of frequency, temperature, humidity and pressure.
   http://resource.npl.co.uk/acoustics/techguides/absorption/

» Tables of Acoustic Properties of Materials
   A number of pdf files with the ultrasonic and acoustic properties of solids, liquids, gases, plastics, rubbers, longitudinal piezoelectric and shear piezoelectric.
   http://www.ondacorp.com/tecref_acoustictable.shtml

» Velocity of Sound in Some Biological Materials
   Ultrasound physics. Parameters. Differences between X-rays and ultrasound.( Gonzalo Diaz M. M.D.)
   http://www.drgdiaz.com/tables.shtml#Velocity