Guide of MPEG 4 – Development Process

Posted by: lovemarser on: September 27, 2010

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According to a recent survey of IDG statistics show that most fashionable new process, the brunt. “” MPEG4 Here we three articles about exactly what “MPEG 4″, and introduces the production, broadcast and MPEG4 hopes of different levels of multimedia lovers are helpful.Mac Video Converter

1. previous incarnation this present life of MPEG 4 DVD Creator for Mac

Full name is Moving Pictures MPEG Experts Group, the abbreviation of dynamic image Group, the founders to MPEG originally developed four version: with MPEG4, MPEG1 – suitable for different bandwidth and digital imaging quality requirements. After the MPEG3 abandoned, so only three versions of the existing MPEG: MPEG – 1-2, MPEG mpeg-4. Overall, the MPEG in three aspects is superior to other compression/decompression scheme. First, because it is in the beginning of the DVD Ripper Mac international standard as a study, so has good compatibility, MPEG. Secondly, MPEG can provide better than other algorithms, the compression ratio can reach 200:1. More importantly, in providing high compression ratio, MPEG, at the same time, the loss of data.

rip DVD to iTunes on Mac Video coding technology is practical DIVX MPEG4 compression technique, it is the challenge to DVD to dint, on the DVD pressure SVCD, threat and SVCD, it is neglected by Microsoft to modify, MPEG4 v3 using MPEG4 compression algorithm. It is banned exports MPEG4 coding technology, using it to a DVD, compression coding need only 2 or 1 CDROM! This means that you don’t need to buy expensive DVD ROM can also get and it almost video quality, and all these programs need only have you CDROM. Besides this code, the requirement of machine is not high, the CPU is 300MHZ above, deserve to go up again 64mb memory and a 8 megabytes manifested display can smooth. Software requirements to play more relaxed, you only need to install a driver 500K MPEG4 coding, with the WINDOWS of the media player can smooth.

Here, it is necessary for us to say again DVD. The biggest characteristic is Mac AVI to QuickTime converter DVD audio large capacity, disks have DVD – 5, DVD – 9,  10 and DVD to DVD – - 17 four types, its storage capacity, respectively, 10GB and 5GB 9GB 17GB, even the smallest DVDS – 5 capacity, the storage capacity of the blanks and VCD 7 times. Because of the large capacity, DVD audio makes DVD with professional audio-visual performance. In audio, DVD player 110DB can achieve the signal-to-noise ratio, and the professional level of CD player, but the price is less than half the CD player professional level, In the video, more than 500 lines, high-definition TV screen existing performance appear incisively and vividly. The DVD for the MP MPEG2 compressed video images/ML, format to 7.2 * 576, basically can well matched now market TV, play AVI files on Macbook The audio track by dolby 5.1 surround sound LPCM type, is now the most advanced technology of around. Since 1996, American film company basically adopts the technology of the standard for voice recording. DVD high-capacity another reflected in broadcast time. DVD – 5 can accommodate 135 minutes, DVD movies can be stored – 17 for 8 hours before the movie, it for any one technology is unthinkable.

burn iMovie project to DVD From the above analysis, it is easy to see in from all aspects MPEG4 by more than a VCD and DVD effect, but the scope and MPEG4 deficiency is obvious. After using MPEG4 dish is 650 MB cd-r blanks have capacity, DVD, in order to ensure the quality of image compression ratio premise, little relationship not too big. More importantly, because the code rate as long as there is enough to guarantee the code rate in full screen in such as rapid movement and colorful scenes (major disaster and action inside a lot of pictures not distortion. Code rate and distortion of the movement is the problem, I think everybody watch VCD have deep of the experience. The code rate, although can MPEG4 transferred and DVD almost, but in order to reduce the capacity, the mets lower rate, but rest assured, play YouTube Video on iPad Mac will make the code rate reduced and single CD MPEG4 than with DVD, if you are not professional personage, can hardly see too much difference.

In the future, after a Mpeg4 listed there will be special player? Those so-called can upgrade the DVD VCD, SVCD, whether by software upgrades support mpeg4 dish? The existing VCD whether can through transforming to support MPEG4? These are unknown, if can of words, so it is for video and I think it will affect the market as VCD and DVD, VCD will no longer be replaced the distant dream. rip DVD to MacBook

Tags: DVD, format, MPEG 4, process, Video