Contributors in Science
Science > Acoustics 
direct sound
Science; Acoustics
The region in which the sound measured can be attributed to the source alone without the effects of obstructions, walls, other reflecting surfaces or adjacent noise sources.
phase difference
Science; Acoustics
The relationship in time of two or more waveforms with the same or harmonically related periods gives us a measurement of their phase difference.
total harmonic distortion (THD)
Science; Acoustics
The RMS sum of all the harmonics relative to the amplitude of the fundamental signal.
Newton second (N·s)
Science; Acoustics
The SI unit of impulse and momentum. Impulse and momentum have the same dimensions, but momentum is measured in kilogram meter per second. 1 N·s = 1 kg·m/s
insertion loss
Science; Acoustics
The sound level reduction at a given location due to the insertion of a noise control device, expressed in decibels. The difference, in decibels, between the sound pressure level ...
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