Video kula Analog: description, fasali, da shirye-shirye da kuma sake dubawa

Analog kayan aiki ne ba na farko shekara hango ko hasashen cikakken karbo daga kasuwa, kamar yadda ya faru da cassette, marubũta. Duk da haka, ko da a kan bango, daga ãyõyin juyin juya halin da zargin mara waya watsa bayanai kayayyaki, da kuma ci gaba da inganta high-definition format, wannan kashi da aka ceto. Kuma idan a wani alkuki na multimedia fasaha ne kusan imperceptible, da analogue Gidan Telebijin na CCTV na fafatawa dijital kayan aiki.

Janar bayani game da analog video

Wannan ne mai gargajiya video kula da tsarin, wanda aka ciyar da ta wani coaxial na USB da kuma haɗa zuwa wani analog rakoda. Yana Forms tushen wani sa na kamarar bidiyo kai tsaye, wanda zai iya zama daban-daban harbi yanayi. A mafi yawan amfani da akwatin tilbijin na analog video kyamarori for video kula da kasafin kudin da irin. Suna halin monochrome "image" Firayim ruwan tabarau tare da wani ajali budewa da kuma rashin ikon canza mai da hankali tsawon. A bambanci, Premium model an halin high definition images tare da launi watsa cewa ba su da gazawa cikin sharuddan ikon aiki a daban-daban yanayin yanayi.

A wannan dangane makirci ne kusan ko da yaushe da misali. A kamara aka haɗa da ikon source (yawanci wani m samar da wutar lantarki) da kuma siginar da rikodi na yin aiki. A sigina wanda ya rubuta analog video kula, za a iya aika zuwa dispatcher duba ko ajiye zuwa cibiyar sadarwa.

hardware fasali

Kai tsaye matrix kyamarori idan aka kwatanta da dijital model na wannan matakin ba ka damar harba high quality-video, ko da kuwa da lighting da kuma daki-daki, ya kama da abubuwa a motsi. Game da sauran kayayyakin more rayuwa na analog lura, shi ne free daga dukan rashin muhimmi a IP-na'urorin. Wannan ya hada da jinkiri a watsa bayanai, da ƙwayoyin cuta a cikin cibiyar sadarwa tashoshi, kadan tabbatarwa ta halin kaka, da sauransu. D.

Amma wannan ɓangare na amfanin ne ma matukar, kamar yadda a cikin zamani duniya ba zai iya zama mai cikakken gazawar kusan daga dijital kayan aiki. Saboda haka, a mataki na siginar hira a cikin rakoda da kuma kayayyakin more rayuwa da fuskantar wata "dijital" matsaloli. Hakika, akwai yalwa da korau siffofin cewa zunubi analog Gidan Telebijin na CCTV kyamarori - IP-kamara, bi da bi, zama contrasting bango a kan abin da wadannan ƙarara suna a fili bayyana. Wadannan sun hada da electromagnetic kutse a kan watsa Lines, da rashin m management damar a real time, da wariya na mara waya ra'ayi.

sabon Formats

Daya daga cikin manyan matsaloli a cikin zamani gasar ga wasiyya analog kyamarori ne low-definition matsayin. Farga da wannan halin da ake ciki, masana'antun sun ɓullo da wani yawan sabon analog Formats, ciki har da HDCVI da HDTVI.

A farko misali ne halin da watsa shirye-shirye alama ta amfani da quadrature amplitude daidaitowa. Wannan yana nufin cewa rafi aka segmented cikin da dama tashoshi, wanda ake raba, misali, luminance da chrominance sakonni. Na'urori a wannan format damar don samar da uku sakonni ta hanyar guda na USB. Daga cikin su zai zama audio, video da kuma umurnin da sakonni zuwa PTZ iko da fasaha. Wannan zamani analog Gidan Telebijin na CCTV tsarin, wanda ake ganin ikon sarrafa kamara via wani USB - misali, mai amfani zai iya mayar da hankali da na'urar sikelin "hoto", juya cikin gidaje yi, da dai sauransu ...

HDTVI fasahar, bi da bi, shi ne halin biyu-hanyar watsa tsarin, PTZ iko sakonni, amma a lokaci guda, idan aka kwatanta da model HDCVI samar da kasa da kariya a kan kutse.

Shirye-shiryen don aiki tare da analog sigina

Kamar yadda mafi sauki da mafita da aiki tare da tuba analog sigina kyamara iya bada shawarar shirin CamPermanent. Shi yana da tushe ga irin wannan software aiki, amma shi ne abin dogara da kuma sauki - for gida video kula ne mafi bayani.

Idan an shirya don tsara wani hada kayayyakin more rayuwa ta hanyar hada abubuwa na IP-kayan aiki da kuma analog sigina, ya kamata ka yi amfani da "Videolokator" tsarin, wanda zai tara a cikin daya hadaddun dukan ƙararrawa kayan aiki.

The sana'a bayani ga analog Gidan Telebijin na CCTV tayin developers NVR Smartec. Wannan shirin ba ka damar tsara gine-gine "abokin ciniki-uwar garke", a cikin abin da cibiyar sadarwa video kula da tsarin za a gina.

reviews masu

Mafi yawa daga cikin analog tsarin masu amfani - da masu amfani da, wanda, saboda matsalolin kudi da kulab iya ba ta motsa zuwa wani dijital tsarin. Sun yaba da analog nufi ga affordability, da saba na jiyya da kuma babu bukatar sake gina kayayyakin more rayuwa na USB.

Gaskiyar ita ce, a da yawa da kamfanoni da shi ne aiki ne kiyaye coaxial cibiyar sadarwa da cewa ba a hada kai tare da IP-kyamarori. Haka kuma, shi ne wani m mataki a irin haka ne ya kafa m kayan aiki. Bugu da kari, da al'adar amfani ba ko da yaushe tabbatar da cewa analog Gidan Telebijin na CCTV kula na baya zuwa dijital kyamarori. Masu amfani da kansu da wuya koka game da ingancin image, murdiya ko gazawar a kan layi. Wani abu shi ne cewa a cikin sharuddan sadarwa damar more pluses ne "adadi", amma ba a matsayin gagarumin sabuwar dama ga masu rinjaye na masu amfani da.

ƙarshe

Modern fasaha da mafita ga mai amfani bude wani m kewayon sabon ayyuka a da yawa daban-daban kwatance. A wannan yanayin, akwai wani zalla sayar da kayayyakin, da m darajar wanda shi ne kawai m. Jera saboda m talla da tartsatsi dijital kyamarori Gidan Telebijin na CCTV analog 'yan shekaru da suka wuce kula rasa ƙasa. A mafi m ɓangare na masu amfani da son ransa switched zuwa wani sabon format, ciwon yawa abũbuwan amfãni. A wannan mataki, analog camcorders, Developers kokarin raya wannan sashi, saboda ya kuma yana da babba masana'antu m.