New Technological Product That Recently Appeared On The Market

IntroductionWhile the capacity of solid state memory devices like tacky and hard disk is growing relative to the size , the densification of speech sound and motion-picture show s atomic consequence 18 in like manner worthy tiny efficient . When MP3 contraction for audio s became e realday , the availability of legal and illegal MP3 s that canful 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 densification for both tv set and audio s at much higher coalition dimensions than its predecessors Analysis of FeaturesHistoryMP4 , a forgetful for MPEG-4 , was doctord by Moving Picture Experts Group (MPEG , the like crowd who defined the now widely used MPEG-1 and MPEG-2 delineation abri dgment measuring sticks . Hundreds of researchers around the world contri barelyed to MPEG-4 , which was finalized in 1998 and became an international pilot film in 2000 and included in QuickTime in 2002 (Apple , 2006 . MP4 should not be alienated with the MP4 Global Music Outlet patented stock(a) 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 trademarked technology (Hu , 1999 . In this document when we say MP4 , we mean the MPEG-4 compression format for audio and goggle boxHow it WorksMP4 is an advance motion picture compression that is mistakable to MP3 (MPEG-1 layer III ) for audio compression . Although it is to a greater extent confused , it involves not only converting picture color to frequency field of honor of force and symbolizing the more frequent colors with shorter codes , but also involves motion estimation to further reduce the codes need to define the m ovie . Basically the audio and /or video s a! re stored in compressed s and decompressing occurs when these s are compete This form of compression and decompressing are performed by software referred to as codec .

MP4 Players which are the ironware that in truth plays the video and audio arranging pass on confine these interlacing codec inside it and the user will precisely 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 videodisc quality output . It so compresses a very large video into a very small expert Although the degree of compression will va riegate from one video to another depending on the complexity of selective information 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 tempo . It is said that MP4 would abandon users to watch real time DVD quality movies from the meshwork at the connection rate of little than 1Mbps . This is very useful for digital broadcasters because they can offer more channels at a given bandwidth . In amplification to the compression ratio , the MP4 allows codec versatility in controlling data pass judgment to...If you want to conquer a full essay, order it on our website: BestEssayCheap.com

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