Lo lus "resonant ntoo" feem ntau yog siv hauv cov suab paj nruas thaum tib neeg tham txog tus twj paj nruag. Yuav luag txhua tus neeg tsim khoom ntawm cov khoom lag luam siv ntoo resonant vim nws qhov zoo acoustic zog. Siv cov ntoo dab tsi thiab los ntawm cov khoom siv twg yog dab tsi?
Kev siv ntawm cov ntoo resonant
Feem ntau, cov ntoo resonant yog siv los ua cov twj paj nruag - xws li, lawv cov lawj. Lub twj paj nruag lub ntsiab lus tseem ceeb uas tau tsim los ntawm hom ntoo no rau pua pua xyoo yog nkauj laus ncas. Cov ntaub ntawv uas tsim nyog rau kev ua cov ntoo resonant yog ntoo thuv, spruce, Siberian cedar, Caucasian fir thiab maple. Yog tias cov ntoo muaj cov cuab yeej ua haujlwm zoo, nws tuaj yeem siv txawm tias nws muaj qhov tsis zoo.
Niaj hnub no, resonant ntoo yog ib qho tshwj xeeb ntuj cov khoom siv uas kim heev.
Lavxias cov tuam txhab tsim cov twj paj nruag pib tshawb nrhiav cov ntoo thim rov qab hauv cov hav zoov Lavxias thaum pib ntawm lub xyoo pua 20th. Raws li kev soj ntsuam, nws tau pom tias cov khoom nyoos hauv tsev tsis zoo dua li cov ntoo txawv teb chaws hais txog lawv cov yam ntxwv acoustic thiab zoo. Cov khoom siv lub cev thiab khoom siv zoo tshaj plaws tau pom los ntawm spruce los ntawm cov cheeb tsam qaum teb, uas muaj cov txheej txheem me me txhua xyoo, uas muab nws nrog cov qauv ntau ntawm cov resonant elasticity.
Cov cim ntawm cov ntoo zoo resonant
Qhov zoo tshaj plaws resonant ntoo yog tsim nyob rau hauv hnyav (piv txwv li, roob) huab cua puag ncig, zoo li nyob rau hauv tuab cog. Raws li cov twj paj nruag ua kom zoo, cov khoom zoo rov qab yuav tsum tau ua tiav txhua qhov chaw, muaj nqaim, muaj lub ntsej muag thiab taw qhia kom nruj, thaj tsam 5-6 meter thaj chaw tsis muaj pob thiab pob uas muaj qhov chaw cylindrical.
Qee tus masters Fabkis ntseeg tias cov tawv ntoo ntawm cov resonant spruce yuav tsum grey thiab muaj cov nplai me me.
Tsis tas li ntawd, tus xov tooj ntawm cov cim sab nraud ntawm resonant spruce suav nrog qhov tsis muaj ntawm hnab ris, pob thiab lwm yam tsis xws luag. Feem ntau, cov ntoo resonant yog dawb nrog yellowness me ntsis uas sib zog ua ntu zus thaum tawm mus sab nraud. Tsis tas li, nws yuav tsum tau npaj zoo thiab looped dhau ntawm txheej, thiab nws cov kev txiav tawm yuav ci thiab huv. Sanded resonant ntoo muaj qhov khoob zoo li saum npoo nrog qhov chaw tsis zoo hloov.
Muaj tsuas yog peb ntau yam ntawm ntoo: streaky, fiery thiab liab-txheej resonant ntoo. Lub ntsej muag nthuav qhia los ntawm qhov kev hloov pauv me ntsis ntawm cov xov ntoo, tus neeg tsiv lub cev muaj qhov zoo nkauj zoo nkauj thiab zoo li tus nplaig ntawm hluav taws, thiab txheej liab tau txawv los ntawm nws cov xim liab.
