helirõhutase

substantive

Terminological databases

ID 641959 Last modified 17.10.2024

Domain noise & vibrationacoustics

helirõhutase

sound pressure level

sound level

SPL

helirõhu ja kuuldeläve helirõhu suhte kahekümnekordne kümnendlogaritm 20 lg(p/po), mõõdetakse detsibellides (dB)

value equal to 20 times the logarithm of the ratio of the pressure of the sound to the reference pressure

helirõhutase

Lp symbol

sound pressure level

sound level

SPL abbreviation

ID 700702 Last modified 17.10.2024

Domain air trafficnoise & vibration

helirõhutase

sound pressure level preferred

level of sound pressure

helirõhutase

Usage examples

dB(A) – helirõhutaseme (mürataseme) mõõtühik, kui mõõtmisel on kasutatud A-sageduskarakteristikuga filtrit;

sound pressure level preferred

Usage examples

Part A of this Annex for each type of equipment referred to in Article 2(1) lays down - basic noise emission standards - general supplements to these basic noise emission standards for measuring the sound pressure level on a measurement surface enveloping the source and for calculating the sound power level produced by the source.

level of sound pressure

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