Acoustics

Acoustics

Of or pertaining to the study of mechanical waves in all stages of matter including sounds, vibration, ultrasounds, and infrasound.

Industry: Physics; Science

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Acoustics

probability

Science; Acoustics

A number between 0 and 1 which represents how likely an event is to occur. Events with probability equal to 0 never occur. Events with probability equal to 1 always occur.

peak detector

Science; Acoustics

A peak detector responds in less than 100µs (microseconds), according to the sound level meter standards. A typical response time is 40µs.

pseudo-random noise

Science; Acoustics

A periodic signal where one period is a segment of a random signal. The period is determined by the generator span and the number of generator lines.

spectral leakage

Science; Acoustics

A phenomenon whereby the measured spectral energy appears to leak from one frequency into other frequencies. Spectral leakage occurs when a sampled waveform does not contain an integral number of ...

noisiness

Science; Acoustics

A prescribed function of sound pressure levels in the 24 one-third octave bands centered on 50 Hz to 10 kHz that is used in the calculation of perceived noise level.