Ụda akụkụ |
ụda akụkụ (German Teiltцne, Partialtцne, French partieles sons, English partiales tones) - ụda olu bụ akụkụ nke ụdị egwu dị iche iche. ụda, akụkụ kachasị mkpa nke timbre nke ụda. Onye ọ bụla n'ime ha na-ebilite n'ihi oscillation sinusoidal nke ụdị kachasị mfe. akụkụ nke ahụ na-ada ụda (dịka ọmụmaatụ, 1/2, 1/3, wdg nke akụkụ nke eriri). Na ụda egwu, ma e wezụga ụda, dị ka Krom si kwuo, a na-ekpebi pitch, ọ nwere ọtụtụ. Ch. t.; ha na-ejikọta n'ime otu dum, a pụrụ ịnụ ha (kenyere ntị) naanị na nlebara anya na-eduzi ma ọ bụ site n'enyemaka nke ngwa egwu pụrụ iche. nzacha. Site na ntị Ch. t. bụ ụda dị mfe; e ji ụda olu na ụda mara ha. Chọpụta ihe dị iche iche harmonica. Ch. t. (harmonics), correlating na onye ọ bụla ọzọ na ugboro dị ka usoro nke eke nọmba - 1, 2, 3, 4, wdg (dịka ọmụmaatụ, na ụda nke eriri nke violin, piano, na ụda nke kọlụm ikuku sitere na ngwa ikuku), na inharmonic. Ch. t., ugboro ya na-ejikọta k.-l. ụkpụrụ dị iche iche (dịka ọmụmaatụ, ngwa egwu nwere ike ịnwe oke dịka 1, 32, 52, 72, wdg). Ch. t., nke dị n'elu isi. ụda, nke a na-akpọ overtone; na tiori nke acoustics, e nwere echiche nke untertons, nke e ji mara frequencies nke t., dị n'okpuru isi. ụda. Na harmonic. etiti oge, ụdọ, consonances, mmekọrịta dị n'etiti Ch. t. na-eduga na nguzobe nke mgbakwunye. ụda olu (ụda nke ndaba, nchikota ụda dị iche, wdg), mgbe ụfọdụ na-agbagọ nkwekọ, na ihe omume nke ịkụ - oge. mgbanwe na olu nke n'ozuzu ụda. Na-eme. Na omume, a na-eji usoro nkewapụ ụda ojii na ụda izugbe - harmonics.
References: Garbuzov HA, Natural overtones na ha kwekọrọ ekwekọ pụtara n'akwụkwọ: Proceedings of the HYMN. Sat. Ọrụ nke Commission on Musical Acoustics, vol. 1, Moscow, 1925; ya, Harmonic mgbanwe nke kọlụm site na oke ụda olu, ibid., vol. 2, M., 1929; nke ya, Mpaghara ọdịdị nke timbre ịnụ ihe, M., 1956; Ihe egwu egwu, M.-L., 1940, M., 1954; Korsunsky SG, Mmetụta nke ụdịdị dị iche iche nke a na-ahụta ụda na elu ya, na Sat: Nsogbu nke physiological acoustics, vol. 2, M.-L., 1950; Nazaikinsky EV, Rags Yu. N., Nghọta nke timbres egwu na ihe ọ pụtara n'otu n'otu harmonics nke ụda, na mkpokọta: Ngwa nke usoro nyocha egwu egwu na musicology, M., 1964; Volodin AA, Ọrụ nke ụdị dị iche iche kwekọrọ na nghọta nke pitch na timbre nke ụda, na: Art Music na Science, vol. 1, M., 1970; Meyer E., Buchmann G., Die Klangspektren der Musikinstrumente, B., 1931.
Ụdị YH
