Hallo > I've been doing a lot of MPEG-2 compression on DV from Apple's Final Cut > Express (NTSC 740x480 29.9fps) using MediaPipe (a toolset based on > MJPEGTOOLS.) > > I've been struggling with trying to get the compressed quality up. I understand > the effects of scaling resolution (352x240, 352x480, 480x480, etc.) but what I'm > wrestling with is compression artifacts - color blocks, fuzzy backgrounds, etc. > (My end goal is to get as much good quality video as I can on an SVCD.) > > I've been mostly messing with the parameters for ppmtoy4m and mpeg2enc. Based > on a paper by Matt Haveri (http://www.sjoki.uta.fi/~shmhav/SVCD_on_a_Macintosh.txt) > and experiments of my own, I've been concluding that bit rate has a significant > effect on the compression quality I'm getting. Take a look at the mjpeg howto, aviable from mjpeg.sf.net
> Q: Does anyone know of any publications, white papers, books, that explain the > nuances of MPEG compression, especially in reference to mpeg2enc??? > I'm looking for, basically, a How-To for getting the best quality from MPEG-2. As always the source quality is also very important. > I'm also planning to run the MJPEGTOOLS on a Linux system, to offload my Mac. > > Q: Does anyone have any benchmark numbers on MPEG-2 compression on different > platforms? Yes, there were some mails about that. Depending on your computer/quality/optins you use the framerate varies. auf hoffentlich bald, Berni the Chaos of Woodquarter Email: [EMAIL PROTECTED] [EMAIL PROTECTED] www: http://www.lysator.liu.se/~gz/bernhard ------------------------------------------------------- This SF.Net email sponsored by: Free pre-built ASP.NET sites including Data Reports, E-commerce, Portals, and Forums are available now. Download today and enter to win an XBOX or Visual Studio .NET. http://aspnet.click-url.com/go/psa00100003ave/direct;at.aspnet_072303_01/01 _______________________________________________ Mjpeg-users mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/mjpeg-users
