Noma ngabe isipikha se-HiFi noma ithiyetha yasekhaya, noma isitudiyo sokuqopha noma i-cinema, isistimu yesipikha izosebenzisana negumbi. Amazinga kazwelonke ahlobene nokwakha ngokuvamile abeka izinkomba zokusebenza komsindo wezindlu, kodwa ngokuvamile awabandakanyi ukuphathwa komsindo ovelayo. Imvamisa uma igumbi lingakutholi ukwelashwa kwe-acoustic, kungakhathaliseki ukuthi izikhulumi zizinhle kangakanani, zizohlangabezana nezingqinamba ngenxa yokuphazanyiswa kwegumbi. Ngalesi sikhathi, izinto zokwelashwa kwe-acoustic zingashiwo njengesidingo.
Izinto zokwelapha i-acoustic zingahlukaniswa cishe zibe izinto ezibamba umsindo , izinto zokusabalalisa kanye nezinto ezibamba umsindo ngokwemisebenzi yazo. Phakathi kwazo, ngaphezu kwamaphaneli avamile abamba umsindo, olunye uhlobo lwezinto ezibamba umsindo luyisicupho esivame ukusetshenziswa ukumunca amaza aphansi. Kodwa-ke, lapha ngingathanda ukukhuluma ngomehluko phakathi kwezinto ezibamba umsindo nezinto ezibamba umsindo. Yilapho futhi abantu abaningi bengaqondi khona. Ukuze uqonde umehluko phakathi kwalokhu okubili, okokuqala udinga ukuqonda ukuthi umsindo uqhubeka kanjani usakazeka ngemva kokuba ufike ezindongeni zethu ezivamile.
Umsindo Wesigameko - Umsindo Oveziwe = I-Coefficient Yokumunca Umsindo
Umsindo Wesigameko - Umsindo Odlulisiwe = Ukulahleka Kokudluliselwa
Omunye umsindo umuncwa udonga bese uphenduka amandla okushisa.
Kusukela ebuhlotsheni obungenhla, akunzima ukuthola ukuthi ukuvala umsindo kudinga kuphela ukuqinisekisa umsindo omncane odluliswayo ngangokunokwenzeka, kodwa akusho ngempela ukumuncwa okuhle komsindo. Nasi isibonelo esidlulele. Uma udonga lwegumbi luwudonga olubushelelezi oluphindwe kabili, ukusebenza komsindo kuhle kakhulu ngenxa yomklamo owenziwe kabili. Kodwa-ke, ngenxa yokuthi udonga lubushelelezi kakhulu, umsindo obonakalayo, ikakhulukazi imvamisa ephezulu, unamandla kakhulu futhi umphumela wokumunca umsindo umpofu kakhulu.
Eqinisweni, kunemiklamo efanayo evamile, efana nengilazi ephindwe kabili yongqimba, enomphumela omuhle wokuvala umsindo, kodwa isimo esibushelelezi sendawo yengilazi izobangela ukuthi umsindo obonisiwe ube namandla kakhulu. Ingilazi enjalo enezingqimba ezimbili ezivikela umsindo cishe ayinawo umphumela wokumunca umsindo.
Ngesikhathi esifanayo, izinto ezijwayelekile ezimunca umsindo zivame ukuba nezakhiwo zokuvikela umsindo ezimaphakathi futhi ngokuvamile azifani nezindonga eziwugqinsi olufanayo.
Izinto ezimunca umsindo
Izinto zendabuko ezimunca umsindo ziyizinto ezimboza, noma ezaziwa ngokwesayensi ngokuthi izinto ezimunca umsindo ezizwakalayo. Ingqikithi yamaza omsindo iwuhlobo lokudlidliza. Ukunemba, kusistimu yesipika, ukudlidliza komoya. Lapho ukudlidliza komoya kudluliselwa kule nto emunca umsindo, ukudlidliza kukhululwa kancane kancane yisakhiwo esihle esinezimbotshana futhi siguqulelwa amandla okushisa.
Lapho into emunca umsindo iba mkhulu, kulapho izimbotshana ezincane ezinjalo zibheke khona lapho usakazwa khona umsindo, futhi kuba ngcono nomthelela wokumunca wesigameko somsindo ngokungahleliwe noma ngama-engeli amancane.
Ngakolunye uhlangothi, izinto ezimunca umsindo ezikwazi ukumelana ne-acoustically zinefrikhwensi yokusika imvamisa ephansi yokumuncwa okusebenzayo, okuvame ukuhlotshaniswa nogqinsi lwezinto ezimunca umsindo, ezidinga cishe u-1/4 wobude begagasi. Ngakho-ke, cishe akunakwenzeka ukuthi izinto ezimunca umsindo ezikwazi ukumelana ne-acoustically zisetshenziselwe ukumunca amaza aphansi, futhi ezinye izinhlobo zezinto zokucubungula ziyadingeka kumaza aphansi.
Ngesikhathi esifanayo, i-coefficient yokumunca umsindo yezinto ezimunca umsindo nayo ihlobene ne-engeli yesigameko somsindo. Isibonelo, i-fiberboard enobukhulu obuphezulu ingabonisa umsindo kuma-engeli amakhulu.
Impahla yokusabalalisa
Okokuqala, sisadinga ukuqonda ukuthi kuyini ukusakazeka komsindo noma ukuthi iyini indima yezinto zokusakaza.
Uma umsindo wenzeka odongeni, ingxenye yomsindo izophuma ihambisane nesiqondiso sejiyomethri futhi iqhubeke nokusabalala, kodwa ngokuvamile le nqubo ayikona “ukubonakaliswa okukhethekile” okuphelele. Uma kuwukubonakaliswa okuphelele okufanelekile, umsindo kufanele uphume ngqo kusiqondiso sejiyomethri ngemva kokudlula endaweni engaphezulu, futhi amandla asendleleni yokuphuma kufanele ahambisane nesiqondiso sesigameko. Yonke le nqubo ayilahlekelwa amandla, okungaqondwa njengokungasakazeki nhlobo, noma okuvame ukuqondwa njengokuboniswa okukhethekile kuma-optics.
Ekusakazeni okuhle, asikho isiqondiso esiyinhloko sokuphuma kwegazi. Umsindo uphuma ngokufanayo kuzo zonke izinhlangothi esikhaleni ngemva kwesigameko esingaphezulu. Kungaqondwa ngokujwayelekile njengokubonakala okusabalalisayo kuma-optics.
Yiqiniso, konke lokhu kubuye kuhlotshaniswe nezici ezifana ne-wavelength yomsindo. Indawo yokulalela yangempela ayidingi nje kuphela inani elithile lokusabalalisa, kodwa futhi kufanele izame ukugwema ukubonakala okuqinile okufana nengilazi yonke esuka phansi iye ophahleni. Kodwa lokhu kusho ukuthi umsindo oveziwe uzoba yinkimbinkimbi futhi nenani lokubala lizoba likhulu.
Kwesinye isikhathi sidinga inani elithile lomsindo obonisiwe, kodwa uma singadingi umsindo ovela oqinile, singabeka izinto zokusabalalisa ezindaweni ezihambisanayo. Kwesinye isibonelo, kwesinye isikhathi uma igumbi ligcwele izinto ezimunca umsindo, lizomunca umsindo omningi. Izinto ezisetshenziswayo zokusabalalisa zinganciphisa umsindo wokubonakala kwangaphambi kwesikhathi ngenkathi kuqinisekisa umsindo wokubonisa sekwephuzile, ukuze amagumbi amancane abe nomthelela othile wokuguqula. Kuzinhlelo zesipikha se-stereo, kunconywa ukuthi kube nenani elithile lezinto ezisetshenziswayo zokusabalalisa ekamelweni, kuyilapho kumasistimu etiyetha yasekhaya, okokusebenza kokusabalalisa kungancishiswa ngokufanelekile noma ngezinye izikhathi idizayini emunca umsindo egcwele ingatholwa.
Njengoba sisanda kusho, imvamisa ephansi esebenza ngempumelelo yezinto ezisabalalisayo noma imvamisa ephansi yokusabalalisa ihlobene nosayizi we-protrusion we-diffuser. Uma kuvela ama-protrusions amaningi we-diffuser, imvamisa yehlisa imvamisa engasatshalaliswa ngempumelelo.
Kukhona futhi ezinye izimo lapho lolu hlobo lwe-diffuser lwenziwa lwaba ukubonakala kwekholomu yesiRoma ngenkathi futhi lunomuzwa womklamo wobuhle. Futhi eqinisweni, njengoba amakamelo ama-audiophiles amaningi okwamanje engemakhulu, i-diffuser enjalo ingase ingadingeki. Imvamisa esebenzayo yepuleti lokusabalalisa lensalela ye-quadratic evamile icishe ibe ngu-700~1000Hz. Kwesinye isikhathi ukukhethwa kwemvamisa kufanele futhi kwenziwe ngokwesisekelo secala ngalinye.
Ngesikhathi esifanayo, izinhlelo zethu ezivamile zesipikha se-HiFi kanye namathiyetha asekhaya nezinye izindawo ezincane zokulalela ekhaya azidingi ukusebenzisa ama-diffuser ane-protrusion eyeqile. Ngenxa yokuthi ukusakazeka komsindo kuvame ukuchazwa ngokuya nge-acoustics yejiyomethri, uma imvamisa isiphansi kunemvamisa eyeqile yegumbi, yisigaba se-wave acoustics. Noma lezo zinto ezisetshenziswayo zokusakaza ezifanele amakamelo amancane ngokuvamile akudingekile ukuthi zibe ugqinsi njengalezo zezindlu ze-opera namahholo ekhonsathi.
I-bass trap
Njengoba kushiwo ngenhla, cishe akunangqondo ukuthi izinto ezimunca umsindo ezimelana ne-acoustically zimunce ngempumelelo amaza aphansi. Ukuze kuthathwe amaza aphansi, izinto ezithembele kwezinye izimiso zivame ukudingeka.
I-resonator ye-Helmholtz iyisakhiwo esivame kakhulu se-acoustic, esivame ukusetshenziswa ezinhlelweni ezifana nokunciphisa umsindo wepayipi lemoto kanye nesithuthuthu. Umgomo uwukuvula imbobo encane ku-cavity V bese uxhuma ishubhu elifushane ukwenza idivayisi elula, i-resonator ye-Helmholtz. Uma ikholomu yomoya S ku-tube emfushane iphazamiseka futhi ingena emgodini, igesi emgodleni izocindezelwa futhi ingcindezi izokwanda. Ukunyakaza okungaphakathi kwekholomu yomoya S kuvinjiwe futhi kuya ngaphandle esikhundleni salokho. Ngemva kokudlula indawo yokulinganisa, iyaqhubeka nokuphumela ngaphandle ngenxa ye-inertia. Njengamanje, ukucindezela ku-cavity kuyehla, okwenza ikholomu yomoya S iyeke ukuya ngaphandle bese ingena ngaphakathi, iphinda umjikelezo.
Izifutho zomsindo we-resonance mechanical ze-membrane zingenye indlela yezinto ezithinta umsindo zamaza aphansi , ngokuvamile ezisetshenziswa emiklamo yezakhiwo njengemiklamo yodonga enezingqimba eziningi.
Ngenxa yezici ezinjengamagagasi okuma egunjini, inzuzo eyengeziwe ngokuvamile ikhiqizwa kumabhendi athile efrikhwensi, okuholela ekubambiseni "okuduma" kwefrikhwensi ephansi. Izicupho zefrikhwensi ephansi zingasusa ukuphazamiseka okukhulu okubangelwa yilezi zindlela zamagumbi ngokwezinga elithile. Yebo, izindlela ezinjengama-subwoofers amaningi noma ukucubungula isignali yedijithali ye-DSP nazo zingasetshenziswa.
Izinto zokuvala umsindo
Njengoba kuchazwe ngokuningiliziwe ngaphambili, ukusebenza kokufakwa komsindo kanye nokusebenza kokumuncwa komsindo kwezinto kuhlukile. Izinto ezimunca umsindo zivame ukusizakala ngesakhiwo esincane sembotshana ngaphakathi kwempahla. Kodwa-ke, lesi sakhiwo esincane sembobo ngokuvamile siholela ekudlulisweni kwamagagasi omsindo. Ukuze uvimbele ukudluliselwa okuqhubekayo nokusakazwa komsindo ovela ezintweni, kuyadingeka ukunciphisa isakhiwo se-cavity ngangokunokwenzeka futhi ukwandise ukuminyana kwezinto.
Imvamisa, ukusebenza kokufakwa komsindo kwempahla yokufaka umsindo kuhlobene nokuminyana kwezinto. Ukuthenga izinto zokuvikela umsindo eziphakeme kakhulu kungathuthukisa izici zokuvikela umsindo zegumbi. Kodwa-ke, izinto zokuvikela umsindo zongqimba olulodwa kwesinye isikhathi zisenemikhawulo. Kulokhu, ukwelashwa kokufakwa komsindo okuphindwe kabili kungasetshenziswa, futhi izinto ezengeziwe zokumanzisa zengezwa ezingxenyeni ezimbili zezinto zokufaka umsindo. Kodwa-ke, kufanele kuqashelwe ukuthi izingqimba ezimbili zezinto zokufaka umsindo kufanele zigwenywe ukuze zibe nogqinsi olufanayo ngangokunokwenzeka ukuze kugwenywe ukuphindaphinda kwemvamisa efanayo. Uma ngesikhathi sokwakhiwa nokuhlobisa kwangempela, yonke indlu kufanele ivinjwe umsindo kuqala, bese kwenziwa ukwelashwa kokumuncwa nokusabalalisa umsindo.
Ukwelashwa kwe-acoustic kuyadingeka kumasistimu wezipikha. Kodwa-ke, ukwelashwa kwe-acoustic akusona isicelo esingahleliwe. Ukuqonda ulwazi oluyisisekelo olufanele kuyisidingo esibalulekile sokwelashwa okulungile kwe-acoustic. Idizayini yokwelashwa kwe-acoustic nayo ihlobene eduze negumbi, isistimu yesipikha, njll. Asikho isisombululo esingashintshi noma impendulo, futhi isimo sangempela kufanele siphumelele ekugcineni.
Ukuze uthole ulwazi olwengeziwe mayelana ne-SINOYQX Melamine Foam, sicela usithinte ku- [email protected] noma usithumelele izwi: +86-28-8411-1861.
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