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Acoustics, Ultrasound and Vibration

Acoustics is the interdisciplinary science that deals with the study of sound, ultrasound and infrasound, all mechanical waves in gases, liquids and solids respectively.

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Active Noise Control

Active noise control is the modification of an unwanted sound by using an electromechanical source to generate another interfering sound.

Education

Contains sites dealing with education in acoustics

Employment

Employment in the field of acoustics.

Historical Acoustics

Sites showing the use of acoustical principles in the past.

Research Groups and Centers

Contains links to Institutes and Universities working on the field of acoustics.

Resources

Sites about acoustic topics which are not suitable for inclusion in another acoustic category.

Ultrasound

Ultrasound is cyclic sound pressure with a frequency of 20 kilohertz or over, greater than the upper limit of human hearing.

This category is for informational sites only. Business sites go here. Please submit only websites that have English language content to this category. If your site is in a language other than English, please submit it to the appropriate category of World.