fi äänitasomittari
sv ljudnivåmätare
en sound level meter
de Schallpegelmessgerät n; Schallpegelmesser m
fr sonomètre m
definition
instrument for the measurement of sound level with a standard frequency weighting and a standard exponential time weighting
Luokitus: | | Acoustics and electroacoustics |
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Lähde: | | | |
fi äänitasomittari
sv ljudnivåmätare
en sound-level meter
de Schallpegelmessgerät n; Schallpegelmesser m
fr sonomètre m
definition
instrument, having a specified performance in respect of directivity, various frequency responses, rectification characteristic, and various dynamic responses, intended for the measurement of sound pressure levels
note
For telephony, the CCITT recommends in the CCITT Recommendation P54 from the Volume V of the Blue Book, 1989, the adoption of the sound level meter specified in the publication 651 (1979) of the IEC entitled: sound level meters.