"http://en.wikipedia.org/wiki/Sound_pressure#Sound_pressure_level"^^ . "Schalldruckpegel"@de . . "niveau de pression acoustique"@fr . . "sound pressure level"@en . "\u0443\u0440\u043E\u0432\u0435\u043D\u044C \u0437\u0432\u0443\u043A\u043E\u0432\u043E\u0433\u043E \u0434\u0430\u0432\u043B\u0435\u043D\u0438\u044F"@ru . "\\(L_P = 10 \\log_{10} \\frac{p^2}{p_0^2} dB\\), where \\(p\\) is sound pressure and the reference value in airborne acoustics is \\(p_0 = 20 \\mu Pa\\)."^^ . "\u58F0\u538B\u7EA7"@zh . "Sound pressure level (\\(SPL\\)) or sound level is a logarithmic measure of the effective sound pressure of a sound relative to a reference value. It is measured in decibels (dB) above a standard reference level."^^ . "Tahap tekanan bunyi"@ms . "Tahap medan"@ms . "livello di pressione sonora"@it . . "gerilim veya ak\u0131m oran\u0131"@tr . . "miary wielko\u015Bci ilorazowych"@pl . "L" . "n\u00EDvel de press\u00E3o ac\u00FAstica"@pt . "\u5229\u5F97"@ja . "\u0633\u0637\u062D \u06CC\u06A9 \u06A9\u0645\u06CC\u062A \u062A\u0648\u0627\u0646-\u0631\u06CC\u0634\u0647"@fa . "\u0643\u0645\u064A\u0629 \u062C\u0630\u0631 \u0627\u0644\u0637\u0627\u0642\u0629"@ar . . . "Hladina akustick\u00E9ho tlaku"@cs . "belongs to SOQ-ISO" . "nivel de presi\u00F3n sonora"@es .