NTSC vs PAL - Duk abin da NTSC da PAL

Duniya ne cike da na saɓani matsayin ga dukan samfurin da TV wani togiya. Akalla yanzu muna da uku kawai main TV matsayin a duniya: PAL (Phase alternating Lines), NTSC (National Television Standard kwamitin) da kuma SECAM (Séquentiel couleur à mémoire, Faransa for "bi da bi Color da Memory"). Wannan labarin zai ga abin da ke da bambance-bambance tsakanin PAL da NTSC.

Mene ne NTSC da PAL

NTSC ne analog talabijin tsarin da aka yafi amfani a Arewacin Amirka. A watan Maris 1941, da National Television Standard kwamitin Amurka ya bayar da wata fasaha misali ga baki-da-fari talabijin. A 1950, da kwamitin daidaita launi talabijin da ake kira shi NTSC daga 1953. A NTSC misali, sakonni da ake daukar kwayar cutar a cikin 30 Frames da biyu da 525 mutum scan Lines ga kowane frame.

PAL ne daga baya ɓullo da fiye da NTSC ga launi talabijin a farkon. PAL aka tsara don zai dace da Turai hoto mita 50 filayen da biyu (50 hertz), da kuma kauce wa da dama drawbacks na NTSC, ciki har da launi sautin canjawa a karkashin matalauta watsa yanayi. SECAM aka ɓullo da haka daga baya. A PAL misali, 25 Frames da ake daukar kwayar cutar kowace biyu, da kuma kowane frame ne kafa ta 625 mutum scan Lines.

To, abin da ke da bambance-bambance tsakanin PAL da NTSC? Babban bambance-bambance ne frame kudi da kuma ƙuduri. NTSC misali yana amfani da 30 FPS, yayin da PAL 25 FPS. Saboda haka, NTSC a ka'idar samar da dan kadan smoother motsi fiye da PAL. Ga ƙuduri,

PAL DVD ko NTSC DVD

Ko da yake bambance-bambance na PAL da NTSC wasu ƙananan, akwai babban inconveniences ga DVD fayafai. Da fina-finai ko videos za a iya adana a kan DVD a daya daga biyu shawarwari: 720 x 576 pixels (PAL DVDs), ko 720 x 480 pixels (NTSC DVDs), kuma da m frame rates kamar 24, 25, da 30 FPS. A DVD wasan karanta bayanai a kan DVD Disc da Formats shi dace su gabatar da a kan ko dai PAL ko NTSC TV sa. PAL DVDs da tursasawa amfani a kan NTSC DVDs saboda PAL DVD na da ya fi girma pixels na ƙuduri (720x576 vs 720x480).

Kullum, NTSC DVD player iya taka NTSC DVD fayafai. Amma akwai kuma DVD 'yan wasan da cewa goyi bayan mahara talabijin tsarin, ciki har da PAL, NTSC da SECAM. I da dama PAL DVD ko NTSC DVD kafin sanya ka domin, ko amfani mai girma video Converter to maida PAL DVD zuwa NTSC DVD, idan ya cancanta.

Free download Wondershare Video Converter

Alal misali, duk DVDs daga Turai a general zo a PAL format da yankin 2 ko 0. Idan kana son wasa da su a Amurka (yankin 1), kana bukatar ka cire yankin code da taka shi da wani jituwa DVD player (na goyon bayan NTSC misali maimakon PAL.)

PAL da NTSC Kasashen

Dubi PAL da NTSC map ga wani babban manufar su rarraba a duniya.

Yanzu a kasa ne cikin jerin kasashen ta yin amfani da PAL, NTSC da SECAM. Idan kana son ka saya DVD movie, koma zuwa TV misali ka kasar yana amfani da.