Na ụda ikuku na mmetọ mkpọtụ, ọkwa mkpọtụ gburugburu (mgbe ụfọdụ a na-akpọ mkpọtụ azụ ọkwa, ọkwa ụda ntụaka, ma ọ bụ ọkwa mkpọtụ ọnụ ụlọ) bụ ọkwa nrụgide ụda ndabere n'ebe enyere, nke a na-akọwakarị dị ka ọkwa ntụaka iji mụọ isi iyi ụda ọhụrụ.
A na-atụkarị ọkwa ụda gburugburu ka ị na-esepụta ọnọdụ ụda n'oge usoro ohere iji ghọta mgbanwe ha na mpaghara.
N'okwu a, ngwaahịa nke nyocha bụ maapụ contour larịị ụda. Enwere ike tụọ ọkwa mkpọtụ n'akụkụ ọzọ iji nye ebe ntụaka maka nyocha ụda ntinye aka na mpaghara enyere.
Dịka ọmụmaatụ, mgbe ụfọdụ, a na-amụ mkpọtụ ụgbọ elu site n'ịtụ ụda ambient na-enweghị ọnụnọ nke ụgbọ elu ọ bụla, wee na-amụ ihe mgbakwunye mkpọtụ site na nha ma ọ bụ simulation kọmputa nke ihe omume ụgbọ elu.
Ma ọ bụ a na-atụ mkpọtụ okporo ụzọ dị ka ụda mgbagharị, tupu ewebata ihe mgbochi mkpọtụ echiche echedoro iji belata ọkwa mkpọtụ ambient ahụ. A na-eji mita ọkwa ụda tụọ ọkwa mkpọtụ gburugburu.
A na-atụkarị ya na dB n'elu ọkwa nrụgide ntụaka nke 0.00002 Pa, ya bụ, 20 μPa (micropascals) na nkeji SI. Pascal bụ newton kwa square mita.
Sistemụ nkeji centimita-gram nke abụọ, ọkwa ntụaka maka ịlele ọkwa mkpọtụ gburugburu bụ 0.0002 dyn/cm2.
A na-atụkarị ọkwa mkpọtụ gburugburu site na iji nzacha ịdị arọ ugboro ugboro, nke a na-ahụkarị bụ nha A-weighting, nke na-egosi nha ndị na-esi na ya pụta bụ dB(A), ma ọ bụ decibels n'ogo A-weighting.
Abụ m Joost Nusselder, onye nchoputa Neaera na onye na-ere ọdịnaya, nna, ma hụ n'anya ịnwale akụrụngwa ọhụrụ na guitar n'obi oke agụụ m, yana ndị otu m, anọ m na-ekepụta akụkọ blọgụ miri emi kemgbe 2020 iji nyere ndị na-agụ akwụkwọ na-eguzosi ike n'ihe aka na ndekọ na ndụmọdụ guitar.
