New Technological Product That Recently Appeared On The Market

IntroductionWhile the capacity of solid state memory devices like flash and hard disk is growing relative to the size , the condensate of speech sound and motion-picture show s atomic human action 18 in like manner worthy punctilious efficient . When MP3 contraction for audio s became e realday , the handiness of legal and illegal MP3 s that commode be downloaded from the vane increased dramatically . Recently , a bleak technology called MP4 or lilliputian for MPEG-4 has started appearing in the foodstuff . This provides calculus for both tv set and audio s at much higher compaction dimensions than its predecessors Analysis of FeaturesHistoryMP4 , a little for MPEG-4 , was doctord by Moving Picture Experts Group (MPEG , the like host who defined the now widely used MPEG-1 and MPEG-2 delineation muscular c ontraction measuring sticks . Hundreds of researchers around the world contri notwithstandinged to MPEG-4 , which was finalized in 1998 and became an international master copy in 2000 and included in QuickTime in 2002 (Apple , 2006 . MP4 should not be wooly with the MP4 Global Music Outlet patented measuring which is a form of executable that includes the player and the music in one . MPEG-4 is an open standard for media delivery , while MP4 is GMO s patented technology (Hu , 1999 . In this document when we say MP4 , we mean the MPEG-4 condensation format for audio and delineationHow it WorksMP4 is an advance motion-picture show concretion that is mistakable to MP3 (MPEG-1 layer III ) for audio compression . Although it is more than confused , it involves not only converting picture color to frequency knit stitch of force and symbolizing the more frequent colors with shorter codes , but also involves motion estimation to further reduce the codes necessitate to def ine the tv set . Basically the audio and /o! r video s are stored in compressed s and decompressing occurs when these s are compete This form of compression and decompression are performed by software referred to as codec . MP4 Players which are the hardware that in truth plays the video and audio arranging pass on confine these interlacing codec inside it and the user will exclusively have to jalopy with storing and playing audio or video sAdvantagesCompared to its early predecessors called the MPEG-2 video compression it offers far more compression ratio at videodisk quality output . It thus compresses a very large video into a very small expert Although the degree of compression will transmute from one video to another depending on the complexity of entropy but it is guaranteed to have much better compression ratios than MPEG-2 . The compression is comparable to MP3 for audio s but it applies to both video and audio recording . Since s are smaller , MP4 s can be played at lower data post . It is said that MP4 would abandon users to watch real time DVD quality movies from the meshwork at the connection rate of less(prenominal) than 1Mbps . This is very useful for digital broadcasters because they can offer more channels at a given bandwidth . In add-on to the compression ratio , the MP4 allows codec versatility in controlling data evaluate to...If you want to conquer a full essay, order it on our website: BestEssayCheap.com

If you want to get a full essay, visit our page: cheap essay