‐Generallyunderstoodtobethelowestqualityvideosignalthatyoucanuseandismoreappropriate
forvideodelivery(broadcast)thanasasourceforcontentcreation(videoediting,DVDauthoring,or
encodingfortheweb).
‐TheconnectorscommontocompositevideoareRCAorCinchforconsumerequipmentandBNC
(BayonetNeill‐Concelman.
‐AsthequalityoftheRCAorBNCcablethatisusedincreases,thenoiseandattenuationdecreases.
•S‐Video:
‐Majoradvanceinqualityforconsumerandprofessionalvideoeditors.
‐S‐Videosplitsthelumaandchromachannelsintotwoseparatewirepairs,whicheliminatesgenerally
halfofthecompositenoiseartifacts.Thetwochromachannelsarestillcombinedandstillinterfere
witheachother,leavingsomenoiseinthesignal.
‐Whilenolongerconsideredtrueprofessionalgrade,itisabigimprovementfromcompositeandcan
beconsideredagoodvideocaptureminimumstandardforeditingandcompression.
‐Mostlyuseaspecificfour‐pinconnectoronS‐Videocables.Thesecablesareintendedforshort
distances(usually100feetorless).SometypesofprofessionalandbroadcastequipmentusetwoBNC
cables,oneforlumaandoneforchroma,tocarryS‐Videosignals.Thissetupprovidesaconnection
thatcanberunfartherandthatcanbelockedintoplacetopreventthecablefromfallingoutand
losingthesignal.
•Componentanalog:
‐AlsoknownasYUV(Yforluminance,Uforonechromachannel,andVfortheotherchromachannel)
wastheprofessionalandbroadcaststandardformanyyearsanditisstillwidelyusedtoday.
‐Theluminancesignalandthetwocolorsignalsarealltransmittedovertheirowndedicatedcables.
Becauseallthreecomponentsorchannelsofthevideosignalaretransmittedindependently,the
qualityofthesignalisquitehigh.Noiseisverylowandthecolorsinthevideoarericherandmore
precise.
‐Inbroadcastandprofessionalenvironments,componentanaloghasmostlyyieldedtodigitalvideo
formats.
‐Componentanaloghasbecomeverypopularintheconsumermarket,though,
asthepreferredformatforconnectinghomeDVDplayerstonewtelevisionsets
‐Inprofessionalenvironments,thecomponentanalogsignalsarecarriedbythreeindividualBNC
cablesbecauseoftheirabilitytoaccommodatelongrunsandlockingconnections.Inthenewhome