Dab tsi yog "cov lus teb tshaj tawm"
"Cov lus teb siab txiav" Qhov kev txiav txim siab: "Zaus" yog hais txog "zaus", uas yog tib yam li "suab paj nruag hauv suab; "Teb" tuaj yeem suav tias yog tus hais lus hais lus (neeg kho tshuab thiab hluav taws xob) hloov pauv qhov "ntawm lub tswv yim hluav taws xob teeb liab rau hauv lub zog hluav taws xob. Thiab cov lus teb no, tau txais los ntawm microphone thiab xam los ntawm kev ntsuas ntsuas, yog nthuav tawm hauv daim ntawv ntawm DB splibitithmic tus nqi. Thaum ntau ntau ntawm "Zaus" Teb qhov tseem ceeb tau txuas ua ke, nws dhau los ua "nkhaus" nrog peaks thiab hav. Qhov kev nkhaus ntawm txoj kev nkhaus yog hu ua ntau zaus teb nkhaus, lossis cov lus teb kom muaj ntau yam kom luv.
Hais Lus thiab Cov Lus Teb Kev Tshawb Fawb
Puas yog zaus teb nkhaus ntawm lub kaw lus audio lossis cov khoom lag luam uas yuav tsum tau ncaj? Coob leej ntau tus sib cav txog qhov teeb meem no, thiab lub hom phiaj ntawm kev sib cav feem ntau yog cov suab zoo tsis tas yuav ncaj, thiab qhov ncaj yuav tsis zoo li cas.
Piv txwv li, txoj kev nkhaus ntawm tus neeg hais lus nyob ze 80 HZ muaj ntau dua, nws txhais tau tias tus neeg hais lus no tau hais tawm rau zaus band ze 80 Hz. Yog tias koj ua si suab paj nruag, ces lub suab ntses bass yuav hnov hnyav. Los yog nkhaus ntawm ib tug neeg hais lus muaj kev nyuaj siab ze 1000 hz, uas txhais tau tias tus neeg hais lus muaj zog nyob ze ntawm 1000 HZ nyob ze ntawm 1000 HZ nyob ze ntawm 1000 lub cim qhia yog txo. Lub suab tsis yog qhov nws tau siv los ua.
Lub flatness ntawm zaus teb nkhaus tau qhia koj qhov sib txawv ntawm qhov tau txais ntawm cov lus hais ntawm tus xov tooj ntawm cov cim ntawm ntau zaus. Qhov kev nkhaus ntawm nkhaus yog, qhov ze dua qhov nce ntawm txhua zaus ntawm tus neeg hais lus lossis lub suab yog tib yam. Txawm li cas los xij, lub suab kaw suab lossis cov kab ke tsis sib npaug rau cov ncauj lus qhia nrog tib qho kev nce hauv txhua zaus thiab seb nws zoo li qub lossis tsis zoo. Vim li cas? Vim tias qhov kev nce nyiaj ib yam nkaus xwb qhia tau tib lub suab ntawm lub suab ntawm txhua cov teeb meem hauv cov paib. Piv txwv li, qhov ntau ntawm qee qhov system rau txhua zaus hauv lub suab hauv lub suab tag nrho yog 30 decibels. If you make a sound of 1000 Hz, the sound pressure level is At 80 decibels, the sound pressure level of the 1000 Hz sound emitted by the speaker is 80+30=110 decibels. Lub suab siab siab ntawm 2000 hz suab koj ua yog 60 decibels theem siab ntawm 2000 lub suab siab ua si los ntawm tus neeg hais lus yog 90 decibels. Thaum nws tsis nthuav tawm los ntawm lub system, lub suab siab siab ntawm koj 1000 hz suab thiab 2000 hz suab sib txawv ntawm 20 decibels. Tom qab ntawd los ntawm cov txheej txheem no nrog kev ua tau zoo ib yam, lub suab siab ntawm tus neeg hais lus ntawm tus neeg hais lus ntawm 1000 lub suab sib txawv, thiab cov tsim tsis hloov pauv, Ha Ha. Txawm li cas los xij, yog tias qhov nce ntawm koj lub kaw lus rau 1000 hz yog loj dhau (qhov tseem ceeb rau kev nkhaus), tsis yog 30 decibels tab sis nws yog 20 decibels. Tom qab ntawd koj lub suab qub ntawm 80 decibels nrog lub suab siab siab ntawm 1000 hz, tom qab dhau los ntawm lub kaw lus, tom qab dhau los ntawm cov kab ke, nws tau ua lub suab ntawm 80 decibels. lub suab. Qhov sib txawv hauv lub suab siab ntawm 1000 hz thiab 2000 hz ua ntej dhau los ntawm lub system yog 20 decibels. Tom qab dhau los ntawm cov kab ke, qhov sib txawv hauv lub suab siab ntawm 1000 hz thiab 2000 hz ua 40 decibels. Qhov no tsis yog qhov sib txawv thawj. Pab neeg tau hloov. , Qhov no tseem yog ib hom distortion. Yog li ntawd, txawm hais tias qhov kev txiav txim siab ntau zaus yog ncaj lossis tsis yog sawv cev rau lub suab sib npaug rau lub suab thiab tsis muaj dab tsi ua rau lub suab zoo.
Raws li rau seb nws zoo li qub lossis tsis yog, ua ntej ntawm txhua yam, yog li qhov sib txawv ntawm txhua zaus ntawm cov cim hluav taws xob uas muaj peev xwm ua tau), yog li qhov sib zog ntawm txhua zaus ntawm cov cim tseem ceeb tuaj yeem ua tau zoo thiab rov qab. , Tsawg kawg yog dab tsi yuav tsum muaj zog yuav tsum muaj zog, thiab dab tsi yuav tsum tsis muaj zog yuav tsum muaj zog. Nws yog lub hauv paus zoo kom muaj peev xwm xav tau tiag tiag txog lub zog ntawm lub suab. Yuav kom ua tau zoo, nws yog qhov tseem ceeb tshaj plaws kom ua rau fuss txog suab zoo. Lub suab zoo tsis zoo, thiab txawm tias qhov system zoo tshaj qhia tsis zoo. Yog tias koj tsis ntseeg kuv, koj tuaj yeem tau txais lub suab nrov nrov, siv kaum tawm ntawm cov lus qhia tawm tshiab Download lub suab seev hauv MP3 format thiab sim mloog lub suab. Lub suab zoo yog ib yam dab tsi uas tsis tau, tsis yog lo lus nug ntawm kev ncaj. Txoj kab nkhaus yog ncaj, tsuas yog qhia qhov system txoj kev rov qab ntim cov ntim. Tom qab ntawd txoj kev kho lub suab zoo yog tej zaum zoo tagnrho. Piv txwv li, nws yuav luag tsis yooj yim rau tib neeg siv Steinway Pianos los sau cov nkauj piano nrog DPA microphone. Nws yuav luag tsis yooj yim kom rov qab ua tiav cov kev ntxhib los ntawm audio. Nws zoo li mloog ib tug neeg ua si ua si ntawm koj ib sab, ib yam li kev mloog nkauj nkauj laus nraug ua si ib sab ntawm tus neeg hais lus. Txawm hais tias koj siv cov neeg hais lus zoo tshaj plaws, nws yuav nco ntsoov sib txawv. Qhov no suav nrog qhov teeb meem zoo txo cov qib thiab lub suab txo cov qib, thiab cov kev txo qis no tsis yog hais tias leej twg tuaj yeem qhia los ntawm nkhaus. Qib ntawm suab zoo muaj ntau yam ua tau nrog koj cov ntaub ntawv, koj cov kws ua haujlwm, tus tsim qauv txheej txheem thiab kev ua yeeb yam. Puas yog tus tswv ua haujlwm ntawm kev kos duab nrog dawb jade zoo ib yam li txoj kev ua yeeb yam ntawm plaster?
Hloov siab hais lus, tus nkhaus yog ncaj, uas txhais tau hais tias lub kaw lus lossis ntaus ntawv muaj qib siab ntawm qhov ntim ntawm cov teeb meem zaus hauv cov paib. Raws li lub suab, qhov no tsuas yog qhov ntsuas tau yooj yim, tab sis nws tseem yog qhov taw qhia tseem ceeb heev. Piv txwv li, lub suab kaw nrog cov khoom siv tau zoo, cov tswv yim tawm suab paj nruag, xws li, thiab lwm yam, los ntawm tus hais lus nws ib txwm muaj kev sib raug zoo thaum rov qab los. Yog hais tias cov lus qhia tawm suab yog ib zaj nkauj los ntawm Karaokoke-qib Singer uas muaj peev xwm tsuas yog quaj los ntawm kev tawm hauv lub siab-txo cov suab. Txawm li cas los xij, cov kab ke nrog kev ua haujlwm tsis zoo, xws li cov lus teb tsis muaj zog, tuaj yeem ua rau muaj zog heev, tsis muaj zog ntawm cov khoom lag luam tsis muaj zog, thiab ua kom muaj zog heev, thiab ua haujlwm nruab nrab ntawm txhua lub suab yuav ua rau muaj kev tsis sib haum xeeb. Txawm li cas los xij, yog tias nws tshwm sim los tshwm sim tias cov tshuab raj ntses tau ua suab nrov muaj zog, lossis lub suab tsis muaj zog, thiab cov khoom lag luam tsis sib haum. Qhov kev hais lus tsis tshua muaj kev sib raug zoo no yuav ua tau ntau dua sib haum xeeb thiab zoo nkauj tshaj qhov kev sib tw siab dua.
Ib qho ntxiv, rau cov khoom lag luam audio, tsis yog tsuas yog hais lus, tab sis kuj muaj lub zog hluav taws xob, cov sib xyaw thiab lwm yam peripherals muaj cov lus teb tau yooj yim. Raws li cov qauv kev lag luam, cov khoom siv no yuav tsum muaj cov lus teb uas muaj zog uas muaj kev hloov kho. Lub hom phiaj yog xav tau cov khoom siv no kom muaj kev ntseeg raws li lub suab muaj peev xwm ua tau lub suab ntim hauv cov teeb liab ntawm lub teeb liab. Yog tias qhov sib luag uas koj siv, yam tsis muaj kev hloov kho thiab cov teb chaws yog qib, kev teb cov lus cog tau siab dua ntawm 80 hz thiab qis dua ntawm 1000 hz, koj puas tseem xav tau?
Btw,Xdec sportxav tias tus neeg hais lus zoo tau teb curve xav tau t yog tiaj li ua tau,
Lawv yog cov ntu, peb xav tau lus hais lus tuaj yeem rov ua lub suab raws li cov ntaub ntawv audio,
Tom qab ntawd tuaj yeem cuam tshuam cov suab qub, uas yog hu rau tus neeg hais lus zoo teb nkhaus