Lub tsheb DVR yog dab tsi, nws yog dab tsi thiab vim li cas nws thiaj li xav tau txhua. Cov kev txwv twg yog qhov tseem ceeb thaum xaiv tus neeg sau npe, thiab qhov twg yog qhov thib ob. Qhov twg yog qhov zoo dua los yuav lub tsheb DVR? Dab tsi subtleties yuav tsum tau them sai sai rau tom qab nws yuav tsis txaj muag rau cov nyiaj nkim.
Kuv puas xav tau lub tsheb DVR?
Tus naj npawb ntawm tsheb ntawm txoj kev nce zuj zus ib hnub. Yuav luag txhua tsev neeg muaj tsheb. Thiab ob lub tsheb rau ib tsev neeg tsis yog khoom kim heev. Qhov xwm txheej ntawm txoj kev yuav ua rau muaj kev phom sij ntau dua, kev pheej hmoo ntawm kev sib tsoo tsheb nce ntxiv. Txhawm rau txheeb xyuas seb leej twg yuav liam rau qhov xwm txheej, piav qhia ib tus neeg tsis muaj txim rau lwm tus neeg koom nrog thiab tus tub ceev xwm tsheb yuav pab tau cov cuab yeej yooj yim xws li tus neeg sau npe tsheb. Nws yuav qhia tias lub teeb tsheb yog xim dab tsi ua ntej kev sib tsoo, qhia koj tus lej ntawm lub tsheb uas txuas kojtsheb, yuav pab kom muaj kev tsis sib haum xeeb nrog cov tub ceev xwm tsheb uas txiav txim siab rau koj qhov kev txiav txim uas koj tsis tau ua. Lub xub ntiag ntawm DVR hauv lub tsheb ua rau tus tswv lub tsheb muaj qhov zoo tsis txaus ntseeg thiab lub sijhawm los daws qhov kev tsis sib haum xeeb, tiv thaiv cov lus tsis tseeb los ntawm kev ua. Thiab yog li ntawd, feem ntau koj tuaj yeem hnov qhov kev thov: qhia rau kuv, qhov twg zoo dua los yuav DVR?
Cov cuab yeej no ua haujlwm li cas
Lub DVR yog ib lub tshuab kaw me me. Tag nrho cov filling yog muab tso rau hauv ib qho me me: lub koob yees duab video, processor rau compression, kev ua duab, ib qho khoom siv cia. Yam twg zoo dua los yuav lub DVR?
Camera settings
Qhov kev daws teeb meem ntawm matrix ntawm tus neeg sau npe tuaj yeem nyob ntawm 0.3 txog 12 MP, thiab qhov kev daws teeb meem ntawm cov yeeb yaj kiab - los ntawm 640x480 txog 1920x1080 pixels. Kev daws teeb meem siab dua muab cov duab ntxaws, uas tso cai rau koj pom cov ntsiab lus me tshaj plaws, xws li daim ntawv tso cai nyob rau pem hauv ntej. Qhov twg DVR pheej yig
zoo dua yuav? Ob peb parameter yuav tsum tau muab coj mus rau hauv tus account. Piv txwv li, tus naj npawb ntawm thav duab ib ob. Qhov siab dua qhov ntsuas no, qhov smoother cov yees duab yuav mus thaum saib, thiab yuav tsis muaj jerkiness ntawm daim duab thaum shooting dab tsi tshwm sim ntawm kev kub ceev. Rau cov khoom siv niaj hnub no, daim duab no nyob hauv thaj tsam ntawm 15 fps - 60 fps. Qhov taw qhia zoo yog 25 fps thiab siab dua. Yog li, rau Full HD, daim duab no yog 30 fps, thiab rau HD - 60 fps. Lwm lo lus nug - lub tuam txhab twg yog qhov zoo tshaj plaws DVR los yuav? Yuav nrhiav dab tsi ua ntej?
Saib lub kaum sab xis. Los ntawmQhov kev ntsuas no txiav txim siab npaum li cas cov ntaub ntawv kab rov tav yuav haum rau hauv tus ncej. Yog li, nrog rau lub kaum sab xis saib ntawm 90 degrees, DVR yuav ntes thaj chaw hauv lub qhov cua. Yog tias qhov ntsuas tau dhau 90 degrees, ces dab tsi tshwm sim ntawm sab ntawm lub tsheb kuj yuav ua rau qee qhov haum rau hauv daim duab. Tab sis nws tsim nyog nco ntsoov tias ntawm lub kaum sab xis loj, kev cuam tshuam yuav tshwm sim ntawm cov npoo ntawm qhov screen. Cov kab ncaj nraim (tus ncej, cov tsev) yuav tshwm nkhaus. Yog li qhov twg yog qhov zoo tshaj plaws DVR los yuav?
Hmo ntuj shooting. Nws yog muab los ntawm ib tug xov tooj ntawm technologies: LEDs, IR illumination, thiab lwm yam LED teeb yuav tau tham me ntsis qis, thaum peb nyob rau IR illumination. Yog tias kev tua thaum nruab hnub tsis ua rau muaj teeb meem rau DVR, tom qab ntawd thaum hmo ntuj, thaum tsis muaj lub hnub, lub hauv paus tseem ceeb ntawm lub teeb ci, qhov rhiab heev ntawm matrix yuav tsis txaus los tua cov yeeb yaj kiab zoo. Raws li qhov tshwm sim, daim duab yuav tig mus rau qhov tsaus ntuj nrog ntau lub suab nrov thiab qhov muag plooj. Nyob rau hauv tas li ntawd, IR illumination yuav los cawm. Nws illuminates cov khoom nyob rau hauv qhov tsaus ntuj nti nyob rau hauv lub infrared spectrum, uas yog kiag li harmless rau tib neeg, thiab recorder matrix captures daim duab. Ntawd yog, hauv qhov tsaus ntuj, koj tuaj yeem pom txhua yam ntawm daim duab.
DVRs twg yog qhov zoo tshaj plaws ntawm optics? Ntxiv rau qhov saum toj no, qhov zoo ntawm cov duab yog cuam tshuam los ntawm lub koob yees duab optics, lub cev loj ntawm matrix, thiab nws qhov rhiab heev. Yuav kom paub koj tus kheej zoo dua nrog kev yuav khoom yav tom ntej, koj yuav tsum pom tias nws tua li casntaus ntawv nyob rau hauv ntau yam huab cua puag. Qhov no yog ua tau thaum tus neeg muag khoom muab lub sijhawm los pauv thiab xa rov qab hauv ib lub sijhawm tom qab kev yuav khoom. Tab sis nws zoo dua, tau kawg, txiav txim siab tam sim ntawd qhov twg zoo dua los yuav DVR.
Tsis tas li, lub cuab yeej yuav muaj lub vijtsam LCD me me, uas qhia cov duab thaum kaw, thiab ntawm nws koj tuaj yeem saib cov ntaub ntawv sau ua ntej. Txawm li cas los xij, tej zaum yuav tsis muaj qhov screen, qhov twg txhua daim duab tuaj yeem pom tau siv lub computer.
Cov cuab yeej tau teeb tsa, feem ntau nyob hauv qab lub qhov cua. Raws li ib txoj hauv kev fastening, muaj tshwj xeeb suction khob ntawm lub cev ntawm lub recorder, muaj zog txaus los tuav lub cuab yeej thaum tsiv. Muaj tseeb, nws tshwm sim tias lub khob nqus dej tsis yog qhov zoo, thiab kom khaws tau zoo dua, koj yuav tsum tau siv cov kua nplaum. Hauv qee cov qauv, fastening yuav ua tau mechanically siv ib tug tshwj xeeb clamp.
Tsis tas li, lub tshuab txais GPS tuaj yeem nyob hauv rooj plaub txhawm rau txhawm rau taug qab kev sib koom ua ke ntawm lub tsheb. Tab sis qhov kev ntxiv no tsis tsim nyog kiag li.
Hais txog qhov zoo ntawm "daim duab"
Qhov zoo ntawm cov yeeb yaj kiab kaw yog ib lub sijhawm nyuaj tshaj plaws, nrhiav kev daws teeb meem tsis yooj yim. Qhov twg yog qhov zoo dua los yuav DVR kom tau txais cov duab huv? Registration daws teeb meem yog ib qho tseem ceeb tshaj plaws nyob rau hauv lub ntsiab lus no. Qhov loj ntawm cov duab ntes tuaj yeem yog Full HD lossis HD. Lub video loj ntawm HD daws teeb meem yog 1280x720, thiab ntawm Full HD nws yog 1920x1080. Cov khoom siv nrog thawj hom kev daws teeb meem yog cov cuab yeej siv nyiaj txiag, thiab cov uas muaj hom thib ob yog ntau duakim. Tab sis dab tsi yog qhov nyuaj ntawm lo lus nug? Txawm tias Full HD DVRs yuav muaj qhov sib txawv optics, decompression thiab compression algorithms, thiab yog li cov cuab yeej no tseem yuav tua sib txawv.
Recorder quality
txhawm rau paub txog qhov zoo ntawm ib qho khoom siv tshwj xeeb, ntau tus tau coj los ntawm cov neeg siv tshuaj xyuas, cov kws tshaj lij kev xav. Qhov kev lig kev cai no tsis hla lub tsheb DVRs. Ntawm qhov tshwj xeeb yog cov yeeb yaj kiab YouTube tua los ntawm ib lossis lwm tus qauv. Tau kawg, koj tuaj yeem tau txais qee yam kev paub nrog lub cuab yeej los ntawm cov yeeb yaj kiab no. Tab sis nws tsim nyog nco ntsoov tias feem ntau ntawm cov yeeb yaj kiab yog kev tshaj tawm. Lawv overestimate qhov zoo, piv txwv ntawm kev tua thaum nruab hnub nyob rau hauv tshav ntuj huab cua yog muab, tsis muaj kev cuam tshuam. Thiab yog tias koj twb tau teeb tsa koj tus kheej lub hom phiaj kom paub cov neeg sau npe tsheb, nws yog qhov zoo dua los ua tib zoo mloog cov ntaub ntawv los ntawm cov neeg nyiam tsheb, uas lawv muab yam tsis muaj kev ua haujlwm.
Yog li, raws li qee qhov kev tshuaj xyuas, ntau tus qauv pheej yig muaj teeb meem nrog kev kho qhov ci. Thaum lub teeb ci ntsa iab los ntawm lub qhov rais (tshwj xeeb yuav tshwm sim, lub hnub ci huab cua nyob rau lub caij ntuj no), lub kaw lus tsis muaj sij hawm los tsim kho dua thiab vim li ntawd cov yeeb yaj kiab tau dhau los lossis, qhov sib txawv, tsaus heev. Qhov tseeb no yog tsim nyog them rau. Thiab hauv qhov no, koj yuav tsum tau ua tib zoo xav txog lub tuam txhab twg DVR zoo dua los yuav, Peb kuj yuav tsum hais ob peb lo lus hais txog kev tua hmo. Yog li, feem ntau thaum ua qauv qhia, tus neeg muag khoom pom ib daim duab thaij thaum nruab hnub, thiab tus neeg yuav khoom txaus siab rau txhua yam, tab sis nrogThaum tsaus ntuj, thaum tsis muaj hnub ci, cov yeeb yaj kiab hloov mus rau qhov tsaus ntuj, thiab nws nyuaj heev los ua tawm txhua yam hauv nws. Dab tsi yog DVRs zoo tshaj plaws uas tsis txwv qhov zoo vim teeb pom kev zoo?
Yog tias tsis muaj sijhawm los saib cov yeeb yaj kiab, tsawg kawg koj yuav tsum tau coj mus rau hauv tus account qhov tseeb tias koj yuav tsum tsis txhob yuav cov qauv nrog cov kev daws teeb meem tsis yog qauv. Tsis tas li ntawd, koj yuav tsum xaiv lub cuab yeej nrog Full HD, nws yog qhov zoo dua rau them nyiaj ntau dua rau qhov zoo dua li kev txom nyem tom qab nrog cov yeeb yaj kiab tsis zoo. Ua ntej yuav, nws tseem tsim nyog xyuas tias tsis muaj kev ncua, tsis muaj kev cuam tshuam, tsis muaj braking hauv daim duab.
Hais txog lub voj voog kaw thiab qhov ntev ntawm qhov tawg
Vim tias lub cim xeeb tsuas muaj nyob hauv lub kaw lus, thiab cov ntaub ntawv kaw tseg yuav tsum tsis txhob tso tseg, kev daws teeb meem yog sau cov ntaub ntawv qub. Ntawd yog, thaum lub cim xeeb pub dawb, cov vis dis aus tau kaw hauv hom ib txwm, tab sis sai li sai tau thaum nws puv, cov ntaubntawv povthawj tshiab pib dua qub qub txij thaum pib.
Kev kaw tsis tas mus li. Nws muab faib ua cov ntaub ntawv ntawm ib lub sijhawm. Feem ntau ntawm cov qauv rhuav tshem cov ntaub ntawv mus rau hauv qhov seem ntawm 1, 2, 3, 5, 10, 15 feeb. Muaj cov khoom siv uas sau txhua yam rau ib daim ntawv loj, tab sis qhov no tsis yog lub tswv yim zoo tshaj. Hauv qee tus neeg sau npe, koj tuaj yeem hloov pauv lub sijhawm ntawm cov ntaub ntawv khaws tseg ntawm cov yeeb yaj kiab. Tab sis muaj qee zaus qhov kev ntsuas no nruj me ntsis teev nyob rau hauv tus lej ntaus ntawv. Nws yuav muaj txiaj ntsig los kawm cov kev tshuaj xyuas ntawm qhov yuav DVR: qhov twg zoo dua?
Ntev npaum li cas ntawm qhov tawgxaiv? Nyob ntawm qhov xwm txheej. Hom 1 thiab 2 feeb tuaj yeem muab tais rov qab tam sim ntawd. Kev khawb los ntawm ib pawg ntawm ib-feeb cov ntaub ntawv yog qis dua qhov nruab nrab kev lom zem. Yog tias kev mus ncig ua si nyob hauv nroog txwv, ces 3 lossis 5 feeb hom yog qhov tsim nyog. Yog tias qhov kev mus ncig tau cog lus ntev, piv txwv li, kev mus ncig rau qhov chaw nthuav, koj tuaj yeem xaiv hom 15-feeb. Tom qab ntawd yuav muaj qee yam pom thiab nco ntsoov.
Yam yuav tsum nco ntsoov thaum xaiv DVR
Muaj ntau yam ntxiv uas koj yuav tsum xyuam xim rau.
GPS sensor. Nws tuaj yeem pab tau zoo yog tias koj paub txog qhov pitfalls. Lub sensor ntes tag nrho cov neeg nyob hauv txoj kev ntawm kev txav mus los, thiab lawv tuaj yeem pom tom qab siv software tshwj xeeb (Google Earth). Ceeb toom txog kev mus ze lub koob yees duab ceev. Ceeb toom txog qhov ceev ntawm kev txav mus los. Xav paub ntxiv txog tom kawg. Qee lub DVRs tsis muaj lub luag haujlwm los lov tes taw lub sensor nrawm, thiab cov vis dis aus tas li overlays tus lej. Thaum tsiv mus rau hauv lub nroog dav dav ntawm kev ceev ntawm 70 km / h, nws yuav tsis tuaj yeem txo qhov ceev, thiab lub sensor yuav ceeb toom txog qhov ntau dhau thiab, qhov phem tshaj plaws, qhov ntau dhau yuav raug kaw rau hauv cov ntaub ntawv. Yog li ntawd, thaum yuav, koj yuav tsum tau them sai sai rau qhov muaj peev xwm ntawm disabling lub ceev sensor.
Ntawm no yog tus twg zoo dua yuav suav
yees duab kaw? Ntawm no koj yuav tsum ua tib zoo kawm tag nrho cov haujlwm.
G-sensor
Lub hom phiaj ntawm txoj haujlwm no yog txhawm rau txheeb xyuas qhov xwm txheej kub ntxhov thiab tua tshwj xeebfragments (10 vib nas this ua ntej kev sib tsoo thiab 20 vib nas this tom qab). Lub teeb liab rau kev khiav hauj lwm ntawm lub sensor no yog ib tug ntse thawb, raws li nyob rau hauv kev sib tsoo thaum muaj xwm txheej. Txawm li cas los xij, nws tsim nyog kho qhov rhiab heev ntawm G-sensor, teeb tsa nws mus rau qhov tsawg kawg nkaus, txwv tsis pub koj DVR yuav tshwm sim los ntawm txhua qhov nrawm.
Kev tshuaj xyuas: qhov twg zoo dua?
Kev tshuaj xyuas hauv net yog qhov tsis sib xws. Ntau qhov kev tsis txaus siab txog kev tua tsis zoo thaum hmo ntuj. Cov neeg siv khoom nco ntsoov tias cov khoom lag luam hauv Suav feem ntau tsis muaj kev cuam tshuam rau cov khoom qub nyob sab Europe.
YLED backlight
Feem ntau tsim los ua ib txheej ntawm LEDs ze lub koob yees duab. Lawv txoj hauj lwm yog pab lub koob yees duab tua thaum hmo ntuj. Tab sis nyob rau hauv kev xyaum, qhov illumination no yog siv me ntsis. Tsis yog qhov kev lag luam zoo tshaj plaws.
Radar Ntes
Nyob rau hauv cov qauv tshiab ntawm DVRs muaj xws li ib qho ntxiv xws li "anti-radar", lub radar ntes. Dab tsi yog DVR zoo dua - nrog lossis tsis muaj radar? Ntau tus tham txog cov txiaj ntsig ntawm cov cuab yeej zoo li no. Lub xov tooj cua no qhia tias tus tub ceev xwm saib xyuas tsheb nrog tub ceev xwm radar tab tom taug kev.
Recorder mount
Ua hauv daim ntawv tuav nrog lub khob nqus. Yog tias tsim nyog, lub khob nqus dej tuaj yeem muab tshem tawm thiab muab khi rau hauv lwm lub tshuab. Tsis tas yuav ua kom nruj nruj. Tab sis cov brackets nrog suction khob kuj txawv. Qhov tseem ceeb tshaj plaws uas xav tau los ntawm lub khob nqus dej yog qhov kev tuav ruaj khov, ces tus neeg sau npe yuav tsis poob thaum nws tsoo thawj qhov kev tshwm sim. Lub caj npab yuav tsum tau yooj yim tig los hloov lub kaum sab xis saib. Piv txwv li, thaum nrestub ceev xwm soj ntsuam, lub koob yees duab yuav tsum tau tig mus rau ntawm lub qhov rooj thiaj li yuav ua yeeb yaj kiab kev sib tham hauv video. Qhov no tsim nyog nco ntsoov thaum yuav.
DVR twg zoo dua los yuav. Reviews
DOD GSE550. Lub kaw lus no muaj ib lub koob yees duab thiab lub vijtsam, raws li qhov ntxiv muaj g-sensor thiab GPS navigator. Cov ntaubntawv povthawj siv yog nyob rau hauv HD hom thiab qhov kev daws teeb meem yog 1920x1080. Lub built-in hais lus tso cai rau koj mus ua si suab. Ib qho yooj yim ua haujlwm ntawm nws pib-pib kaw thaum lub sijhawm koj pib tsiv. Lub kaw lus tau txuas nrog lub khob nqus dej rau lub qhov cua ntawm ib sab ntawm daim iav saib tom qab.
ParkCity DVR HD 530. Kev kaw cov yeeb yaj kiab hauv Full HD. Lub koob yees duab 3 MP. Qhov no DVR yog tus yam ntxwv los ntawm ib qho txawv txawv tsim, style thiab manufacturability. Lub kaum sab xis saib yog 110 degrees, uas tso cai rau koj tua txhua yam uas tshwm sim ntawm txoj kev. Lub kaw lus yog siv los ntawm lub roj teeb built-in lossis los ntawm lub tsheb network. SD / SDHC nco daim npav txog 32 GB ua raws li cov ntaub ntawv khaws cia.
DOD F900LHD. Matrix 5 megapixels. Full HD cov ntaubntawv povthawj siv. Ncej tus nqi - 30 fps. Raws li ib qho ntxiv - lub suab sensor, uas yog tshwm sim los ntawm kev txav mus los hauv lub koob yees duab kev pom. Qhov no tso cai rau koj siv lub kaw lus ua lub cuab yeej ruaj ntseg. 2.7 nti LCD saib tig 360 degrees. Nws muaj 4x zoom thiab lub microphone built-in uas tso cai rau koj los sau tsis tsuas yog video, tab sis kuj suab.
KARKAM Q2. Kuv yuav yuav DVR hom twg? Qhov no compact, me me recorder muaj kev tshuaj xyuas zoorau auto. Full HD cov ntaubntawv povthawj siv. Cov ntaub ntawv raug kaw rau hauv daim npav flash. Nws yog powered los ntawm lub tsheb lub on-board network los yog los ntawm ib tug hloov roj teeb. Tshwj xeeb nta: video zoo, 2 LCD saib, roj teeb lub neej.
DOD F880LHD. Nws tau nruab nrog lub koob yees duab zoo thiab cov ntaub ntawv ntawm 30 fps ntawm 1920x1080 thiab 60 fps ntawm 848x480. Ob-nti npo, yooj yim, cov ntawv qhia zaub mov zoo. Saib lub kaum sab xis 120 degrees. Muaj HDMI tso zis rau PC thiab TV. Built-in nco tso cai rau koj sau txog 32 MB ntawm video. Lub roj teeb capacious muab ob teev ntawm roj teeb lub neej.
ParkCity DVR HD 520. Lub tsheb zoo heev uas kaw hauv Full HD ntawm 30 fps. Matrix 5 megapixels, 2.5-nti npo. Cov yeeb yaj kiab nthuav dav tau raug ntes nrog lub ntsej muag dav 4 lub ntsiab lus thiab ua kom zoom.
KARKAM QX2. Ntxiv nrog rau Full HD hom, nws khav theeb tsis siv neeg qhib / tawm ua haujlwm thaum lub zog siv. Muaj 2.7-nti npo, lub roj teeb hloov tau uas tso cai rau koj siv lub cuab yeej sab nraum lub tsheb. Lub koob yees duab teb tso cai rau koj tua nyob rau hauv ib qho kev taw qhia yam tsis tau txav lub recorder nws tus kheej. Lub bracket ua kom yooj yim rau mount QX2 ntawm koj lub iav.
