Sound level definition

Sound level means the A-weighted Sound Pressure Level;

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Sound level means the weighted sound pressure level obtained by the use of a sound level meter and frequency weighting network, such as A, B, or C as specified in the American National Standards Institute specifications for sound level meters. (ANSI SI.4 - 1971, or the latest approved revision thereof.) If the frequency weighting employed is not indicated, the A-weighting shall apply.

Sound level means the noise level measured in decibels on the A-weighted scale of a sound level instrument that conforms to recognized industry standards and is maintained according to the manufacturer’s instructions.

Examples of Sound level in a sentence

Sound level of TV, radio, or stereo must be kept to the confines of the exhibit space.
S1 Sound level at stage 1 S2 Sound level at stage 2 W Wet adhesion level R1 Rolling resistance level at stage 1 R2 Rolling resistance level at stage 2 These suffixes shall be placed to the right or below the approval number, if part of the original approval.
Run No. Test Speed km/h Direction of run Sound level left 2/ measured dB(A) Sound level right 2/ measured dB(A) Air temp.
S2 Sound level at stage 2 W Wet adhesion level of tyres in new state R2 Rolling resistance at stage 2 These suffixes shall be placed to the right or below the approval number, if part of the original approval.
Sound level limitations are exclusive of startup, shutdown, transients and off normal operating conditions.

More Definitions of Sound level

Sound level means the weighted sound pressure level measured by the use of a metering characteristic and weighted as specified in American National Standards Institute Specifications, Section 1.4-1971. The sound pressure level of a sound expressed in decibels is twenty (20) times the logarithm to the base ten (10) of the ratio of the pressure of the sound to the reference sound pressure of twenty (20) micropascals. In the absence of any specific modifier, the level is understood to be that of a mean-square pressure.

Sound level means the sound pressure level measured in decibels with a sound level meter set for A-weighting; sound level is expressed in dBA.

Sound level. ’ means the equivalent continuous rating level as defined in SANS 10103, taking into account impulse, tone and night-time corrections;

Sound level means the instantaneous Aweighted sound pressure level, in decibels, as measured with a sound level meter set to the “A” weighting scale, slow response.

Sound level expressed in decibels (dB), means a logarithmic indication of the ratio between the acoustic energy present at a given location and the lowest amount of acoustic energy audible to sensitive human ears and weighted by frequency to account for characteristics of human hearing, as given in the American National Standards Institute Standard S1.1, "Acoustic Terminology," paragraph 2.9, or successor reference. All references to dB in this chapter utilize the A-level weighting scale, abbreviated dBA, measured as set forth in this section.

Sound level means a measure of the level of a sound with a weighing network in the measurement chain.