Contributors in Science
Science > Acoustics 
preferred noise criterion (PNC)
Science; Acoustics
A noise measurement system for continuous or ambient noise in indoor environments proposed by Leo Beranek in 1971.
point source
Science; Acoustics
A noise source whose dimensions are small compared to the propagation distances involved. We know from the inverse square law that the sound level pressure level decreases by 6 dB ...
wideband noise
Science; Acoustics
A noise whose energy is distributed over a wide section of the audible range.
broadband noise
Science; Acoustics
A noise whose energy is distributed over a wide section of the audible range.
speech transmission index (STI)
Science; Acoustics
A number between 0 and 1 which qualifies speech intelligibility, often implemented in a simplified version known as RASTI - rapid speech transmission index. This method uses a ...
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