Acoustical History and Heritage

Hermann von Helmholtz is widely regarded as the father of modern acoustics for his contributions to the understanding of sound waves, including his work on the Helmholtz resonator.

The first practical application of acoustics was the telephone, invented by Alexander Graham Bell in 1876.

Harvey Fletcher developed the logarithmic decibel scale for measuring sound intensity in 1925.

Reflection is the term for the phenomenon of sound waves bouncing off surfaces.

Pythagoras was the first ancient Greek philosopher to propose that sound is a wave phenomenon.

Diffraction is the term for the phenomenon of sound waves bending around obstacles.

Galileo Galilei conducted experiments on the speed of sound in the 17th century.

Absorption is the term for the phenomenon of sound waves being absorbed by materials.

Thomas Edison invented the phonograph in 1877.

Hermann von Helmholtz developed the theory of sound waves in the 19th century.

Interference is the term for the phenomenon of sound waves interfering with each other.

Peter Jensen developed the first practical loudspeaker in 1915.

Transmission is the term for the phenomenon of sound waves traveling through different media.

Wallace Clement Sabine developed the theory of reverberation in the early 20th century.

Resonance is the term for the phenomenon of sound waves causing objects to vibrate.