Txawm hais tias nws yog tus hais lus HiFi lossis lub tsev ua yeeb yam, lossis lub studio kaw lossis xinesmas, tus hais lus yuav cuam tshuam nrog chav. Lub teb chaws cov qauv ntsig txog kev tsim kho feem ntau qhia txog lub suab rwb thaiv tsev kev ua tau zoo ntawm cov tsev, tab sis lawv feem ntau tsis koom nrog kev kho cov suab nrov. Feem ntau yog tias chav tsev tsis tau txais kev kho acoustic, txawm tias cov neeg hais lus zoo npaum li cas, lawv yuav ntsib teeb meem vim muaj kev cuam tshuam hauv chav. Lub sijhawm no, cov ntaub ntawv kho mob acoustic tuaj yeem hais tias yog qhov tsim nyog.
Cov ntaub ntawv kho suab tuaj yeem muab faib ua cov ntaub ntawv nqus suab , cov ntaub ntawv diffusion thiab cov ntaub ntawv rwb thaiv suab raws li lawv lub luag haujlwm. Ntawm lawv, ntxiv rau cov vaj huam sib luag nqus suab ib txwm muaj, lwm hom ntaub ntawv nqus suab yog lub cuab yeej qis zaus uas feem ntau siv los nqus cov zaus qis. Txawm li cas los xij, ntawm no kuv xav tham txog qhov sib txawv ntawm cov ntaub ntawv nqus suab thiab cov ntaub ntawv rwb thaiv suab. Qhov no kuj yog qhov uas ntau tus neeg nkag siab yuam kev. Txhawm rau nkag siab qhov sib txawv ntawm ob qho no, koj yuav tsum xub nkag siab tias lub suab txuas ntxiv mus li cas tom qab nws mus txog peb cov phab ntsa sib xws.
Suab nrov – Reflected Sound = Suab Absorption Coefficient
Suab nrov – Transmitted Sound = Transmission Poob
Qee lub suab yog nqus los ntawm phab ntsa thiab tig mus rau hauv lub zog cua sov.
Los ntawm cov kev sib raug zoo saum toj no, nws tsis yog qhov nyuaj kom pom tias lub suab rwb thaiv tsev tsuas yog yuav tsum tau ua kom lub suab kis tau me me li sai tau, tab sis nws tsis tas yuav muaj suab nrov zoo. Ntawm no yog ib qho piv txwv heev. Yog hais tias lub phab ntsa ntawm chav tsev yog ib tug du heev ob-txheej phab ntsa, lub suab rwb thaiv tsev kev ua tau zoo heev vim yog ob-txheej tsim. Txawm li cas los xij, vim tias cov phab ntsa yog du heev, lub suab pom, tshwj xeeb tshaj yog cov zaus, muaj zog heev thiab lub suab nqus cov nyhuv tsis zoo heev.
Qhov tseeb, muaj ntau cov qauv zoo sib xws, xws li ob-txheej soundproof iav, uas muaj lub suab rwb thaiv tsev zoo, tab sis qhov zoo ntawm lub iav nto yuav ua rau lub suab pom muaj zog heev. Xws li ob txheej soundproof iav yuav luag tsis muaj suab nrov.
Nyob rau tib lub sijhawm, cov khoom siv suab nrov feem ntau muaj qhov nruab nrab ntawm lub suab rwb thaiv tsev thiab feem ntau tsis zoo li cov phab ntsa ntawm tib lub thickness.
Suab absorbing khoom
Cov khoom siv suab nrov yog cov khoom ntxeem tau, los yog kev tshawb fawb hu ua acoustic resistance sound-absorbing material. Lub ntsiab ntawm lub suab tsis yog ib hom kev co. Yuav kom meej meej, rau cov hais lus system, nws yog huab cua vibration. Thaum huab cua vibrations xa mus rau cov khoom siv suab nrov no, cov kev vibrations maj mam txo los ntawm cov qauv ntxeem tau zoo thiab hloov mus rau hauv lub zog cua sov.
Lub thicker lub suab-absorbing cov ntaub ntawv, ntau cov kab noj me me no nyob rau hauv cov kev taw qhia ntawm lub suab propagation, thiab qhov zoo dua cov nyhuv absorbing rau suab tshwm sim ntawm random los yog ntawm cov ces kaum me me.
Ntawm qhov tod tes, acoustically resistive suab-absorbing cov ntaub ntawv muaj qhov tsawg zaus txiav tawm zaus rau kev nqus tau zoo, uas feem ntau cuam tshuam nrog lub thickness ntawm lub suab-absorbing khoom, uas yuav tsum tau txog 1/4 ntawm lub wavelength. Yog li ntawd, nws yuav luag tsis yooj yim sua rau acoustic resistive suab-absorbing cov ntaub ntawv siv los nqus cov zaus tsawg, thiab lwm hom kev ua cov ntaub ntawv yuav tsum tau siv rau tsawg zaus.
Tib lub sijhawm, qhov coefficient ntawm kev nqus suab ntawm cov ntaub ntawv nqus suab kuj muaj feem cuam tshuam nrog lub kaum sab xis ntawm lub suab. Piv txwv li, cov fiberboard siab ceev tuaj yeem cuam tshuam lub suab ntawm cov kaum sab xis loj.
Cov khoom siv diffusion
Ua ntej, peb tseem yuav tsum nkag siab tias lub suab diffusion yog dab tsi lossis lub luag haujlwm ntawm cov ntaub ntawv diffusion yog dab tsi.
Thaum lub suab tshwm sim rau ntawm phab ntsa, ib feem ntawm lub suab yuav tawm mus raws qhov kev taw qhia geometric thiab txuas ntxiv mus, tab sis feem ntau cov txheej txheem no tsis yog "kev xav txog qhov tseeb". Yog tias nws yog qhov kev xav zoo tshaj plaws, lub suab yuav tsum tawm raws nraim hauv qhov kev taw qhia geometric tom qab dhau los ntawm qhov chaw, thiab lub zog ntawm kev tawm mus yuav tsum ua raws li qhov xwm txheej. Tag nrho cov txheej txheem tsis plam lub zog, uas tuaj yeem nkag siab tias tsis muaj qhov sib txawv ntawm txhua qhov, lossis feem ntau nkag siab zoo li kev xav hauv optics.
Nyob rau hauv zoo tagnrho diffusion, tsis muaj lub ntsiab emission kev taw qhia. Lub suab emits uniformly nyob rau hauv tag nrho cov lus qhia nyob rau hauv qhov chaw tom qab qhov teeb meem ntawm qhov chaw. Nws tuaj yeem nkag siab zoo li diffuse reflection hauv optics.
Ntawm chav kawm, tag nrho cov no kuj muaj feem xyuam rau yam xws li lub wavelength ntawm lub suab. Qhov chaw mloog tiag tiag tsis tsuas yog xav tau qee qhov kev nthuav dav, tab sis kuj yuav tsum tau sim kom tsis txhob muaj kev cuam tshuam zoo xws li tag nrho cov iav hauv pem teb-rau-qab nthab. Tab sis qhov no txhais tau hais tias lub suab uas cuam tshuam yuav nyuaj dua thiab cov lej suav yuav ntau dua.
Qee lub sij hawm peb xav tau qee lub suab ntawm lub suab, tab sis yog tias peb tsis xav tau lub suab muaj zog tshwj xeeb, peb tuaj yeem tso cov ntaub ntawv sib txawv ntawm qhov chaw sib xws. Piv txwv li, qee zaum yog tias chav tsev muaj cov khoom siv suab nrov, nws yuav nqus suab ntau dhau. Cov ntaub ntawv diffusion tuaj yeem txo cov suab nrov thaum ntxov thaum ua kom lub suab rov qab qeeb, yog li cov chav me kuj tuaj yeem muaj qee yam kev cuam tshuam. Rau cov tshuab hais lus tso suab, nws raug pom zoo kom muaj qee yam ntawm cov khoom siv hauv chav tsev, thaum lub tsev ua yeeb yam hauv tsev, cov khoom siv diffusion tuaj yeem raug txo kom tsim nyog los yog qee zaum siv lub suab nrov-absorbing tsim.
Raws li peb nyuam qhuav hais, qhov qis tshaj qhov ua tau zoo ntawm cov khoom siv diffusion lossis qhov qis tshaj plaws diffusion yog cuam tshuam nrog qhov loj ntawm lub diffuser. Qhov ntau protrusions ntawm lub diffuser, qhov tsawg zaus uas yuav ua tau zoo diffused.
Tseem muaj qee qhov xwm txheej uas hom diffuser no tau ua rau hauv Roman kem zoo nkaus li thaum tseem muaj qhov zoo nkauj tsim. Thiab qhov tseeb, txij li cov chav ntawm ntau audiophiles tsis loj tam sim no, xws li diffuser yuav tsis xav tau. Qhov ua tau zoo ntawm cov phaj dav dav dav dav dav dav yog li 700 ~ 1000Hz. Qee lub sij hawm kev xaiv ntawm zaus kuj yuav tsum tau ua los ntawm rooj plaub.
Nyob rau tib lub sijhawm, peb cov neeg hais lus HiFi nquag thiab cov tsev ua yeeb yam hauv tsev thiab lwm qhov chaw mloog hauv tsev me me tsis tas yuav siv cov diffusers nrog ntau dhau. Vim hais tias qhov diffusion ntawm lub suab feem ntau tau piav qhia nyob rau hauv cov nqe lus ntawm geometric acoustics, ib zaug qhov zaus qis dua qhov ntau zaus ntawm chav tsev, nws yog qeb ntawm yoj acoustics. Los yog cov ntaub ntawv sib txawv tsim nyog rau cov chav me feem ntau tsis tas yuav tsum yog tuab li cov tsev ua yeeb yam thiab cov rooj sib tham.
Bass cuab
Raws li tau hais los saum no, nws yuav luag tsis muaj tseeb rau cov khoom siv suab nrov-absorbing kom nqus tau cov zaus tsawg. Rau kev nqus ntawm cov zaus tsawg, cov khoom siv uas tso siab rau lwm cov ntsiab lus feem ntau xav tau.
Helmholtz resonator yog cov qauv acoustic ntau heev, feem ntau siv rau hauv cov ntawv thov xws li tsheb thiab maus taus cov yeeb nkab tso suab nrov txo. Lub hauv paus ntsiab lus yog qhib qhov qhib me me hauv kab noj hniav V thiab txuas lub raj luv luv los tsim cov cuab yeej yooj yim tshaj plaws, Helmholtz resonator. Yog tias huab cua kem S hauv lub raj luv luv raug cuam tshuam thiab txav mus rau hauv kab noj hniav, cov pa roj hauv cov kab noj hniav yuav raug compressed thiab lub siab yuav nce. Lub zog sab hauv ntawm huab cua sab S yog thaiv thiab txav mus rau sab nraud. Tom qab dhau txoj haujlwm sib npaug, nws tseem txav mus rau sab nraud vim muaj inertia. Tam sim no, lub siab hauv cov kab noj hniav txo qis, ua rau huab cua kem S tsis txav mus rau sab nraud thiab txav mus rau sab hauv, rov ua dua lub voj voog.
Cov khoom nqus suab nrov ntawm daim nyias nyias yog lwm hom khoom siv nqus suab rau cov zaus qis , feem ntau yog siv rau hauv cov qauv tsim vaj tsev xws li cov qauv phab ntsa ntau txheej.
Vim muaj yam xws li chav sawv tsis muaj zog, qhov nce ntxiv feem ntau yog tsim nyob rau hauv qee zaus bands, uas ua rau qis zaus "rumbling" resonance. Cov ntxiab zaus tsawg tuaj yeem tshem tawm qhov cuam tshuam siab tshaj plaws los ntawm cov chav tsev no rau qee qhov. Tau kawg, txoj kev xws li ntau lub subwoofers lossis DSP cov teeb liab ua tiav kuj tseem siv tau.
Cov ntaub ntawv suab rwb thaiv tsev
Raws li tau piav qhia hauv kev nthuav dav ua ntej, lub suab rwb thaiv tsev kev ua tau zoo thiab lub suab nqus kev ua haujlwm ntawm cov khoom sib txawv. Cov ntaub ntawv suab-absorbing feem ntau siv qhov zoo ntawm cov qauv pore me me hauv cov khoom. Txawm li cas los xij, qhov qauv me me no feem ntau kuj ua rau kev sib kis ntawm lub suab tsis zoo. Txhawm rau tiv thaiv kev sib kis ntxiv thiab nthuav tawm suab ntawm cov khoom siv, nws yog ib qho tsim nyog yuav tsum tau txo cov kab noj hniav kom ntau li ntau tau thiab ua kom cov khoom ntom ntom.
Feem ntau, lub suab rwb thaiv tsev kev ua tau zoo ntawm cov ntaub ntawv rwb thaiv tsev suab yog cuam tshuam nrog qhov ntom ntawm cov khoom. Kev yuav cov ntaub ntawv pov thawj high-density tuaj yeem txhim kho lub suab pov thawj ntawm chav tsev. Txawm li cas los xij, ib txheej txheej suab rwb thaiv tsev qee zaum tseem muaj kev txwv. Nyob rau hauv cov ntaub ntawv no, ob-txheej suab rwb thaiv tsev kho yuav siv tau, thiab ntxiv damping ntaub ntawv ntxiv rau ob txheej ntawm suab rwb thaiv tsev ntaub ntawv. Txawm li cas los xij, nws yuav tsum tau muab sau tseg tias ob txheej ntawm cov ntaub ntawv rwb thaiv tsev yuav tsum zam kom muaj tib lub thickness ntau npaum li qhov ua tau kom tsis txhob rov ua dua ntawm tib zaus. Yog hais tias thaum lub sij hawm tsim kho thiab kho kom zoo nkauj, tag nrho lub tsev yuav tsum soundproofed ua ntej, thiab tom qab ntawd yuav tsum tau ua raws li lub suab nqus thiab diffusion kev kho mob.
Kev kho acoustic yog qhov yuav tsum tau ua rau cov neeg hais lus. Txawm li cas los xij, kev kho acoustic tsis yog ib daim ntawv thov random. Kev nkag siab txog cov kev paub yooj yim yog qhov tseem ceeb ua ntej rau kev kho acoustic kom raug. Kev tsim kho acoustic kuj tseem cuam tshuam rau chav tsev, hais lus, thiab lwm yam. Tsis muaj kev daws teeb meem los yog cov lus teb, thiab qhov xwm txheej tiag tiag yuav tsum yeej.
Yog xav paub ntxiv txog SINOYQX Melamine Foam, thov hu rau peb ntawm [email protected] lossis hu rau peb: + 86-28-8411-1861.
Qee cov duab thiab cov ntawv luam tawm los ntawm Is Taws Nem, thiab cov ntawv pov thawj yog los ntawm tus sau thawj. Yog tias muaj kev ua txhaum cai, thov hu rau peb kom tshem tawm.