AviSynth is a frameserver program for Microsoft Windows. AviSynth acts as a non-linear video editor controlled entirely by scripting (without a GUI). It stands as an intermediary between a digital video source, like an AVI or MPEG file, and a VFW receiving program, which is typically a media player, video editing software, or an encoder. AviSynth communicates with any program that supports AVIs through the Video for Windows system by ac...

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“Convert video and DVDs - personal and non-copyrighted only - between all popular formats: you can use Need4 Video Converter as an avi converter, mp4 converter, mpeg converter, vob to avi, or wmv to avi converter! Move videos between avi, divx, xvid, dvd, h.264, mpg, mpeg-2, mpeg, mp4, ifo, vob, flv, m2v, dat, vcd, svcd, mov, qt, wmv, asf, 3gp, 3gpp, 3g2, 3gp2, dv, mpe, m1v, flv, h261, h263, m4v, mts, m2t, mkv, vro, NEW! webm, ogv, swf. ...”

“Convert unprotected video and DVDs using ready-made presets for various devices and portable media players: iPod, iPad, iPhone, PSP, Zune, BlackBerry, Archos, Creative ZEN, iriver, Explay, SanDisk Sansa, Cowon, Sony Walkman, PDA - Dell, HP, Palm, cell phones - Nokia, Samsung, Sony Ericsson, LG, etc., HTC, Motorola, PlayStation 3, Xbox 360, NEW! Tablets, Android phones, Windows Phone 7, Sony Ericsson Xperia X10 and many other devices. Co...”

Xvid is a video codec library following the MPEG-4 standard, specifically MPEG-4 Part 2 Advanced Simple Profile (ASP). It uses ASP features such as b-frames, global and quarter pixel motion compensation, lumi masking, trellis quantization, and H.263, MPEG and custom quantization matrices. Xvid is not a video format – it is a program (codec) for compressing and decompressing to the MPEG-4 ASP format. Since Xvid uses MPEG-4 Advanced Simp...