Feem ntau, kev ntsuas lub microphone nrog lawv tus kheej txhais tes yog txiav txim siab los ntawm cov neeg uas xav tau tsis yog kuaj xyuas xwb, tab sis kuj tseem yuav kho qhov amplitude-frequency yam ntxwv ntawm qhov chaw nyob, studio, kev hais kwv txhiaj lossis lwm chav. Nyob rau hauv cov xwm txheej zoo li no, cov khoom siv ua ke nrog lub teeb liab ntsuas hluav taws xob thiab lub zog spectrum analyzer. Nws yuav tsum raug sau tseg tias chav tsev tom kawg tuaj yeem nthuav tawm raws li cov khoom siv sib cais. Ib txhia craftsmen tau kawm los hloov nws nrog computer programs. Tsis ntev los no, cov khoom siv saib xyuas zoo tau txais txiaj ntsig zoo heev. Cov no yog cov software siab heev thiab kho vajtse daws teeb meem. Lawv tuaj yeem suav nrog ntsuas microphones, kuaj teeb liab generators, thiab software. Vim li no, koj tuaj yeem kho qhov amplitude-frequency yam ntxwv.
Kev piav qhia
Ua ntej koj pib ua lub ntsuas microphone nrog koj tus kheejob txhais tes, koj yuav tsum kawm cov kev ntsuas twg yog qhov tseem ceeb hauv chav tsev. Cov kws tshaj lij sau cov yam ntxwv hauv qab no:
- Txoj cai thiab lub hom phiaj ua haujlwm. Lub microphone tiav tuaj yeem siv rau hauv kev lag luam sib txawv, uas yog vim li cas qee qhov yuav tsum tau ua nyob rau hauv chav tsev. Hauv txhua kis, muaj cov yam ntxwv zoo thiab tsis zoo uas tus neeg siv tuaj yeem hloov kho kom haum lawv cov kev xav tau.
- Kev tsom xam. Qhov no yog lub peev xwm tshwj xeeb ntawm cov cuab yeej los teb rau txawm tias qhov hloov pauv me tshaj plaws hauv lub suab siab txheeb ze rau kev coj ntawm lub suab. Qhov kawg tsis yog nyob ntawm tus tsim ntawm cov tshuaj ntsiav, uas yog lub hauv paus ntawm tag nrho cov khoom.
- Kev xav. Qhov no muaj peev xwm characterizes tag nrho efficiency ntawm cov khoom nyob rau hauv converting lub suab siab pulses rau tam sim no. Vim qhov no, tus kws tshaj lij tuaj yeem nkag siab tias qhov voltage yuav nyob ntawm qhov tso zis ntawm chav tsev ntawm qee lub suab siab. Qhov siab dua, qhov siab dua qhov kev nyeem ntawv yuav yog.
Txhua tus pib uas txiav txim siab tsim lub microphone ntsuas nrog lawv tus kheej txhais tes yuav tsum paub tias cov cuab yeej no hloov pauv cov suab nrov rau hauv hluav taws xob tam sim no. Rau kev ua haujlwm, koj tuaj yeem siv lub tswv yim yooj yim tshaj plaws.
Kev taw qhia
Qhov ntsuas no qhia qhov rhiab ntawm cov khoom mus rau qhov chaw suab nrov. Niaj hnub no, txhua tus tswv tuaj yeem tsim lub microphone ntsuas nrog nws tus kheej tes, uas yuav haum rau qee qhov kev taw qhia:
- YSupercardioid. Lub suab yog pom tau tias nqaim heev, ib nrab khaws cov suab nrov uas los ntawm sab nraub qaum ntawm chav tsev.
- Cardioid. Lub microphone tsuas khaws cov suab los ntawm pem hauv ntej. Hypercardioid. Thaj chaw "rov qab" yeej dhau tag nrho lwm tus.
- Yim. Cov khoom lag luam zoo sib npaug ntawm kev khaws suab ntawm pem hauv ntej thiab nraub qaum.
Kev ntsuas lub microphone hauv tsev tuaj yeem ua omnidirectional. Xws li cov khoom zoo kawg nkaus pom lub suab los ntawm txhua qhov chaw. Cov qauv Advanced tuaj yeem nruab nrog kev hloov pauv thoob ntiaj teb uas tso cai rau koj los kho qhov tsim nyog tsis tau.
Khoom noj
Qee lub microphones tuaj yeem muab cais ua "phantom" thaum qhov xav tau tam sim no tau muab los ntawm cable uas txuas lub tsev nws tus kheej mus rau qhov tau txais kev teeb tsa. Qhov kev xaiv no tso cai rau tus neeg siv ntawm qhov xav tau ntawm nws tus kheej los saib xyuas cov qib roj teeb. Kev ywj pheej ntawm kev txav ncaj qha nyob ntawm qhov ntev ntawm lub network cable. Cov khoom lag luam nrog cov roj teeb zoo yog nyob rau hauv qhov kev thov loj tshaj plaws. Tab sis koj yuav tsum nco ntsoov txog kev them rov qab tsis tu ncua. Tus tswv tuaj yeem ua lub ntsuas microphone rau kev soj ntsuam cov lus teb zaus, uas yuav ua haujlwm los ntawm ob lub zog hluav taws xob ib zaug. Qhov no yog cov txiaj ntsig zoo tshaj plaws thiab ntau txoj kev daws teeb meem.
Ntse
ntsuas microphones txawv ntawm lawv cov qib rhiab heev. Nws tuaj yeem ntsuas hauv decibels, nrog rau millivolts ib pascal. Tus tswv yuav tsumcoj mus rau hauv tus account qhov ntsuas tsis kam ntawm chav tsev rau alternating tam sim no. Nws yog nyob rau ntawm no parameter tias lub compatibility ntawm lub microphone nrog cov khoom uas twb muaj lawm uas nws yog kev cob cog rua nyob. Impedance tseem ceeb tshwj xeeb tshaj yog nyob rau hauv ib puag ncig kev ua haujlwm. Yog tias cov khoom sib txuas nrog lub xov tooj smartphone, khoos phis tawj lossis lub laptop, qhov nominal voltage tsis yog qhov tseem ceeb.
Classic scheme
Yog tias koj npaj tag nrho cov cuab yeej thiab cov khoom tsim nyog ua ntej, tom qab ntawd hauv tsev nws yuav tsim tau lub microphone ntsuas hauv tsev los ntawm WM60. Txhawm rau zam qhov yuam kev ntau tshaj plaws, koj yuav tsum paub koj tus kheej nrog cov txheej txheem theem pib ua ntej. Lub capsule yog powered los ntawm ib tug haib 15k resistor. Nyob rau hauv parallel, ib tug ceramic capacitor muaj nyob rau hauv chav tsev, uas nws tus kheej tshem tawm high-frequency cuam tshuam thiab cuam tshuam. Tom qab ntawd, lub teeb liab nkag mus rau thawj theem ntawm amplifier.
Cov kauj ruam tseem ceeb
Raws li lub hauv paus ruaj khov, koj tuaj yeem siv chrome-plated hlau raj, nrog rau cov vaj tsev los ntawm cov qub sojntsuam lossis sensor. Classic version muaj 2 qhov yooj yim. Thawj yog rugged chrome-plated raj microphone vaj tsev. Lub tshuab hluav taws xob hluav taws xob thiab lub rooj tsav xwm luam tawm yuav tsum tau teeb tsa rau hauv qhov chaw sab hauv, uas cov khoom ntawm thawj theem ntawm lub tshuab hluav taws xob, nrog rau cov hluav taws xob stabilizer, yog pre-soldered. Qhov thib ob yog sawv cev los ntawm ib lub thawv me me nrog XLR connector, lub rooj tsav xwm luam tawm nrog cov theem sib txuam. Koj yuav tsum nco ntsoov txhua yam ntawdqhov chaw yog tsim los rau cov xwm txheej tshwj xeeb, uas yog vim li cas qee cov txheej txheem yuav yooj yim tsis haum. Thaum mus los ntawm txoj hauv kev rau nruab qhov ntsuas microphone, koj yuav tsum nco ntsoov tias lub zog yuav los ntawm XLR, los ntawm 48 V phantom qhov chaw.
khoom siv
Lub ntsuas microphone tuaj yeem nruab nrog lub receiver, uas zoo kawg nkaus sib xws nrog ntau yam khoom siv suab. Ntau tus DIYers nyiam siv lub tshuab xa hluav taws xob, uas yog qhov zoo tagnrho rau kev cog lus, wireless-powered units. Qhov no yog qhov kev xaiv zoo rau cov kws tshaj lij, vim tias ntau cov haujlwm ua haujlwm tau yooj yim heev. Koj tuaj yeem tsim ib lub thawv rau sawv ntsug lossis tripod. Txoj hauv kev no yuav rov hais dua rau cov neeg ua haujlwm hauv kev lag luam thiab lub suab. Cov khoom kuj tseem yuav pab tau hauv kev ua yeeb yam.
functionality
Lub xub ntiag ntawm ib ceg hloov tau tso cai rau koj hloov pauv txoj haujlwm ntawm lub ntsiab capsule yam tsis tau txav lub microphone nws tus kheej. Rau cov hom phiaj no, ib ceg tawv nrog lub universal swivel mount kuj siv tau. Tus neeg siv tuaj yeem txuas lub microphone rau nws lub computer los ua kev sib tham hauv Is Taws Nem. Cov qauv hluav taws xob tuaj yeem tswj tau los ntawm kev hloov DN. Hauv cov khoom lag luam, cov haujlwm no nquag siv los hloov ntawm qhov sib txawv ntawm kev ua haujlwm. Yog tias tus tswv muaj kev txawj txaus, ces nws kuj tuaj yeem tsim lub mloog pob ntseg, ua rau cov khoom lag luam thoob ntiaj teb. Qhov kev xaiv no yog qhov zoo rau cov khoom siv studio, vim nws tso cai rau koj los tswj lub suab zoocov ntaub ntawv. Nws tsim nyog sau cia tias lub mloog pob ntseg feem ntau txuas nrog ntawm mini-Jack. Yog tias koj xav tau txo cov teeb liab theem ntawm cov zis, ces koj tsuas ua tsis tau yam tsis muaj lub attenuator. Cov kws kho mob siv cov cuab yeej no rau kev ua kom lub suab nrov kom tsis txhob muaj cov khoom siv ntau dhau.
