Yam koj yuav tsum paub txog cov ntaub ntawv kaw suab ntawm koj lub koob yees duab
Muaj qee zaum, peb feem coob xav ntau txog lub suab nrov ntawm lub koob yees duab ua ntej ua kev yuav khoom. Peb yog, tom qab tag nrho, muaj kev txhawj xeeb nrog kev yees duab thiab feem ntau cov koob yees duab camcorder tau siv sij hawm me ntsis rau kev nthuav dav cov suab nta hauv lawv cov qauv. Tab sis cov suab kaw lus tseem ceeb heev! Cov suab phem hauv koj lub yeeb yaj kiab tau rhuav tau koj cov yeeb yaj kiab cia li zoo li tsis zoo video zoo.
Yog tias koj nyob hauv kev ua lag luam rau lub koob yees duab, ntawm no yog ob peb yam koj yuav tsum paub txog camcorder audio, ntxiv rau qee cov tswv yim seb yuav ua li cas thiaj nrhiav tau lub suab zoo.
Microphones
Camcorders sau lawv lub suab los ntawm ib lub tshuab built-in microphone, tiam sis tsis yog txhua tus microphones tsim tsim nyog. Muaj peb theem pib: mono, stereo thiab multi-channel lossis "surround sound."
Mono microphones:
Qhov yooj yim tshaj plaws microphone, lub mono mic feem ntau pom muaj nyob hauv cov yees duab qis tshaj thiab tshwj xeeb tshaj yog cov koob yees duab cam khawm. Lawv sau ib zaug xwb cov suab ntawm lub suab thiab thaum lub sijhawm yoojyim, qee cov neeg tsis txaus siab tias lub suab "pav" ntawm cov hom mics.
Stereo microphone:
Ib lub tso suab microphone kaw ob lub suab ntawm lub suab, tsis yog ib qho. Tus neeg twg uas ntsaws pob ntseg mus rau saum lawv lub taub hau paub txog "kev nyhuv ntawm lub tso suab" nrog lub suab nrov ntawm pob ntseg los yog ua si hauv ob qho tib si. Lub tso suab microphones yog cov hom uas siv ntau tshaj plaws hauv Mics uas siv hauv cov qauv camcorders (lawv kuj muaj nyob rau ntawm cov qauv ua qauv, tab sis tsis yog raws li qub) thiab yuav rov qab ua si zoo rau hauv TV lossis lub computer.
Multi-channel microphone:
Qee cov koob yees duab siab kawg tau muab ntau cov suab kaw suab ntawm lawv cov qauv. Txoj kev zoo tshaj plaws los xav txog cov yas suab los sis cov suab txias los yog cov ntaub ntawv suab nrawm yog tsim kom muaj duab ua yeeb yam hauv tsev. Koj muaj peb tug neeg tham pem hauv ntej, los ntawm koj lub TV, thiab ob peb tus neeg hais lus nyob tom qab. Hauv cov yeeb yaj kiab uas zoo tshaj plaws, lub suab tau hnov suab zuam koj lub taub hau. Muaj ntau lub suab microphone, koj muaj peev xwm los sib zog ua haujlwm (rau ib qho kev kawm) ntawm koj lub koob yees duab: lub koob yees duab yuav tuaj yeem ua si thiab rov qab ua suab nrov thoob tsib sib txawv - tsis muaj ob qho nyob rau ntawm lub tso suab mic los ntawm ib lub mico mic.
Yog tias koj tsis muaj, thiab tsis tshua xav muaj, ib qho kev ua yeeb yam hauv tsev hauv tsev, sau koj lub vaj tse nyob ib ncig ntawm lub suab tsis ua rau kev txiav txim siab ntau. Txhua yam ua tau sib npaug, koj yuav zoo dua qhov kev nrhiav ib lub koob yees duab nrog lub tso suab hauv lub microphone.
Lub Nta
Thaum cov neeg muag khoom muag hliv lub sij hawm thiab cov xim rau hauv cov tswb thiab cov khoom rau hauv qhov muag pom-ntawm camcorder txoj kev loj hlob, muaj tsawg dua them suab. Uas tsis tau txhais hais tias, txawm li cas los, hais tias lub suab sab yog kiag li bereft ntawm nta. Ntawm no yog ob peb xav txog:
Zoom microphone:
Cov microphones zoo li tsis muaj kev ntxub ntxaug thaum nws tawm los rau ntawm kev coj lub suab tawm tuaj - qhov no yog vim li cas, yog tias koj yog tus ua cov ntaubntawv povthawj, koj lub suab nrov nrov rau hauv movie yog koj xav muab tso rau hauv koj ob xees. Ib lub microphone zoom, Txawm li cas los xij, tau tsom xam cov khoom sau ncaj thaum koj zoom lub lens. Hauv lwm cov lus, yog tias ib tug neeg nyob ntawm koj xub tham thiab koj zoom camcorder nyob rau ntawm lawv, zoom mic yuav zoo sib xws tsom teeb sau los ntawm sab xub ntiag thiab tsis los ntawm ob sab los yog nram qab. Zoom microphones feem ntau muaj nyob rau ntawm cov yees duab siab dua.
Cua npo:
Ib qho ntawm cov teeb meem loj tshaj plaws rau cov neeg tau ntsib thaum nruab teev nraum zoov yog cua khiav dhau lub microphone. Cov cua tuaj yeem tsim lub suab deafening los yog ib qho kev cuam tshuam kev ntxhov siab xwb thiab yog li ntawd nws zoo nkauj heev los nrhiav cov koob yees duab cog lus kom tig lub cua nrog ib qho "cua shield." Cov no yog cov tsis zoo nkauj thiab tsis txaus them tag nrho cov kev tiv thaiv kom koj thiaj li xav yuav khoom siv hluav taws xob thaiv cov ntaub thaiv uas muab tso rau hauv koj lub koob yees duab "microphone" thaum twg koj pom koj tus kheej hauv cua.
On ntau kim camcorders, muaj feem ntau yog qhov cua tshuab ntsuas uas koj tuaj yeem qhib hauv cov ntawv qhia zaub mov. Cov hom siv software thiab digital cov teeb meem kev lag luam mus rau qhov sib txuam cov teeb meem tsis zoo ntawm cua. Ntxiv dua thiab, qhov ua tau zoo ntawm cov technologies no nws txawv. Nyob ntawm seb cua npaum li cas, qee qhov cua nrov nrov feem ntau yog tsis muaj kev tiv thaiv, tab sis lub koob yees duab nrog cua tshuab cua thiab cua nrov cua hom yuav txo tau qhov kev puas tsuaj.
Microphone tawm tswv yim:
Feem ntau cov koob yees duab siab tshaj plaws yog tsim nyog txaus kom paub tias lawv tsis ntsuas heev nyob rau hauv lub caj suab suab. Tias yog vim li cas koj yuav pom cov microphone inputs rau lawv. Cov ntawv tso cai no cia koj muab cov ntaub ntawv siv digital microphones rau suab zoo dua. Yog tias koj paub tias koj xav ntxiv ib qho microphone ntxiv rau qhov sib tov, koj yuav tsum nrhiav tau lub koob yees duab nrog lub tsho kub, vim muaj ntau cov khoom siv ntim tau yooj yim dua rau ntawm cov kub-khau ntawm cov camcorder.
Stereo playback:
Txij li thaum camcards pib ntxiv built-in projectors, muaj ntau xim them rau qhov zoo ntawm cov neeg hais lus rau lub suab playback. Cov high-end projector camcorders yuav muaj ntau dua built-in hais lus rau audio playback dua non-projector qauv.