Similar formats Video CD

-



1 similar formats

1.1 cd-i digital video
1.2 xvcd
1.3 kvcd
1.4 dvcd
1.5 dvi
1.6 svcd





similar formats
cd-i digital video

shortly before advent of white book vcd, philips started releasing movies in green book cd-i format, calling subformat cd-i digital video (cd-i dv). while these used similar format (mpeg-1), due minor differences between standards these discs not compatible vcd players. philips cd-i players full motion video mpeg-1 decoder cartridge play both formats. few cd-i dv titles released before company switched current vcd format publishing movies.


xvcd

xvcd (extended video cd) name given format stores mpeg-1 video on compact disc in cd-rom xa mode 2 form 2, not strictly follow vcd standard in terms of encoding of video or audio.


a normal vcd encoded mpeg-1 @ constant bit rate (cbr), scenes required use same data rate, regardless of complexity. however, video on xvcd typically encoded @ variable bit rate (vbr), complex scenes can use higher data rate short time, while simpler scenes use lower data rates. xvcds use lower bitrates in order fit longer videos onto disc, while others use higher bitrates improve quality. mpeg-2 may used instead of mpeg-1.


to further reduce data rate without reducing quality, size of gop can increased, different mpeg-1 quantization matrix can used, maximum data rate can exceeded, , bit rate of mp2 audio can reduced (or use of mp3 audio instead of mp2 audio). these changes can advantageous want either maximize video quality, or use fewer discs.


kvcd

kvcd (k video compression dynamics) xvcd variant requires use of proprietary quantization matrix, available non-commercial use. kvcd notable because specification recommends non-standard resolution of 528x480 or 528x576. kvcds encoded @ resolution playable computers cd-rom drives, , small number of dvd players.


dvcd

dvcd or double vcd method accommodate longer videos on cd. non-standard cd overburned include 100 minutes of video. however, cd-rom drives , players have problems reading these cds, because groove spacing outside specifications , player s laser servo unable track it.


dvi

dvi (digital video interactive) compression technique stored 72 minutes of video on cd-rom. in 1998, intel acquired technology rca s sarnoff research labs. dvi never caught on.


svcd

super video cd format intended successor of vcd, offering better quality of image , sound.








Comments

Post a Comment

Popular posts from this blog

1940-1941 Pontiac Torpedo

-
1941 pontiac streamliner torpedo 8 sedan coupe (b-body) 1941 pontiac deluxe 6 or 8 torpedo 2-door sedan (a-body) 1941 pontiac deluxe torpedo 8 metropolitan sedan (a-body) in 1940, pontiac introduced torpedo on general motors c-body. along oldsmobile, pontiac had distinction of having 3 of gm s mainstream platforms year, last 1 more year. new c-body 1940 pontiac torpedo shared cadillac series 62, buick roadmaster , super, , oldsmobile series 90 featured cutting-edge torpedo styling. shoulder , hip room on 5 in (127 mm) wider, running boards eliminated , exterior streamlined , 2–3 in (51–76 mm) lower. when combined column-mounted shift lever cars offered true 6 passenger comfort. these changes had been influenced cadillac sixty special. the 1940 torpedo had larger windows , wider seats other pontiacs, front , rear ventiplanes on 4-door sedans , long gracefully streamlined rear decks. concealed hinges used on doors. doors wide. hood ornament had plastic indian head ...
Read more

1920–1923 List of 1920s jazz standards

-
1920 – avalon song written al jolson, buddy desylva , vincent rose. jolson introduced song, taking number 2 on charts in 1921, , used in musicals sinbad , bombo. song possibly written rose, jolson s popularity performer allowed him claim co-credit. opening melody taken giacomo puccini s aria e lucevan le stelle opera tosca, , composers sued puccini s publishers in 1921 $25,000 , subsequent royalties. 1920 – margie song composed con conrad , j. russel robinson lyrics benny davis. introduced original dixieland jazz band , popularized eddie cantor s 1921 recording. song 1 of first hits both conrad , davis, , later used in films margie (1946) , eddie cantor story (1954). name inspired cantor s five-year-old daughter. song known little margie . 1921 – sheik of araby song composed ted snyder lyrics harry b. smith , francis wheeler. written in response popularity of rudolph valentino film sheik. club royal orchestra introduced song on first recording in 1921. 2 recordings of trombonist...
Read more

Sovereign Building Zollinger-Harned Company Building

-
the sovereign building in 2011 the whitehall mall store sold leh s department store, several years flagship store on hamilton street in allentown remained vacant. added national register of historic places in 1979. in december 1982 allentown store purchased sovereign realty , development. building renovated , reopened sovereign building in may 1984. renovations included glass-arched entrance pedestrian plaza between hamilton , court streets leading grapefruit-domed lobby decor of antique brass, mirrors, greenery , wing-backed chairs. main floor , basement developed retail spaces, while upper floors turned 42 private office suites. sovereign later went financial difficulties , building sold @ sheriffs sale on 22 september 1989. today building operated office building owner resides in philadelphia.
Read more