Mkpọtụ |

Noise (German Gerdusch, French bruit, English mkpọtụ) - otu ụda, nke na-adịghị agwụ agwụ n'ịdị elu, nke e mere site na ọtụtụ dị iche iche na ugboro na ike, dị ka a na-achị, ejighị n'aka, oge. na-abụghị oge. mmegharị oscillating nke otu ma ọ bụ karịa vibrators mepụtara. Na acoustics, e nwere:

1) na-aga n'ihu n'elu ụdịdị dị iche iche, na-ekpuchi ihe niile a na-anụ, nke a na-akpọ. ọcha sh.;

2) redio brọdband - obere ugboro, ọkara-ugboro, elu-ugboro;

3) eriri warara, nke a na-akpọ. agba, Sh. Ọtụtụ ọkpọ. ngwa na-ebupụta brọdband SH: eg nnukwu ịgbà – obere ugboro, ọnyà drum – etiti ugboro, triangle – elu-ugboro; na ụda nke timpani, a na-amata akụkụ ụda ụda dị warara na nnukwu c.-l. otu ụda. Sh. na ngwá ọrụ ndị a na-ebilite n'ihe gbasara mgbagwoju anya nke nhazi nke ahụ oscillating, ihe dị iche iche nke mmepụta ya. Sh., dị ka a na-achị, bụ akụkụ dị mkpa (ya na ụda akụkụ) nke ụda muses. ngwa ọrụ nwere ọkwa akọwapụtara: dịka. na fp. Sh. bụ ihe na-akpata site na ịma jijiji nke mkpanaka na isi nke hama, ma na-ekpebisi ike site na siri ike nke eriri. karịsịa na obere ndekọ; na violin - creaking, nchara nke ụta, torsional ịma jijiji. mmegharị eriri; na ọjà, n'ime ọkpọkọ labial nke akụkụ ahụ - site na vortex-dị ka ịma jijiji nke ikuku iyi nke labium na-ebipụ. Na narị afọ nke 20, ọchịchọ ime ka palette mkpọtụ nke ndị orchestras dị iche iche site na iwebata ngwá ọrụ ọhụrụ, gụnyere electromusics pụrụ iche, siri ike. ngwaọrụ; ihe okike pụtara. ntụzịaka nke na-eji Sh., dịka ọmụmaatụ. bruitism, ihe egwu egwu, egwu eletrọnịkị, egwu timbre, sonoristics (lee Sonorism), wdg.

References: Krasilnikov VA, ụda ebili mmiri na ikuku, mmiri na ihe siri ike, M.-L., 1951, M., 1954; Simonov ID, Ọhụrụ na ngwa egwu eletriki, M.-L., 1966; Volodin AA, Ngwa egwu eletrọnịkị, M., 1970; Meyer E., Buchmann G., Die Klangspektren der Musikinstrumente, B., 1931.

YH Pargs