| 词条 | Speech interference level |
| 释义 |
Speech Interference Level (SIL) is an acoustical parameter calculated from sound pressure levels measured in octave bands. It is used to characterize a noise signal in the frequency range where the human ear has its highest sensitivity. The Speech Interference Level is calculated as the arithmetic mean of unweighted sound pressure levels in three or four octave bands in the 500 Hz - 4 kHz frequency range Several variants of the Speech Interference Level are in use:
ReferencesExternal links
1 : Sound measurements |
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