AVI export problem 2004-07-21 - By Alain Bellon
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Assuming that no other issue is at work (like field rendering when it
should be off), the problem will be due to the CODEC.
Many CODECS installed in windows are very old and have little quality.
To check if yours is a CODEC problem, try rendering a few frames to
uncompressed avi. This will be the best quality possible since there is
no compression at all. So if you see some image degradation it will be
due to some other factor and not the avi CODEC. (Uncompressed AVI files
may not play at full speed on your machine due to the bandwidth needed
for playback... they are just too large).
Now, if you have that solved, you need to pick a good codec. If your
intention is to share the movie on the net, you can render your avi to
DivX, xVid, or MS MPEG4-v1 or v2. These codecs will create a pretty
small file that can be shared easily.
If you plan to save your movie to a DVD or make it viewable for TV in
some other way, you will need a different type of codec that is more
suitable for that. A DV codec (Panasonic has a free one on the net) is a
good choice. If you want to preserve quality even further you can try
the HuffYUV codec (also available on the net for free), it will create
compressed files without any loss of quality.
If all else fails you can do what others suggest and go with jpeg or tga
images, but this will require an extra step (hence more time) before you
can encode them to MPEG2 for a DVD or something similar.
-Alain Bellon
Omar Campos wrote:
>Hello list,
>
> First of all I'd like to thank everyone on the list
>for their support. I hope someday I can post to the
>list to answer someone else's questions, rather than
>asking :)
>
> Anyway, here is my question: I have been
>experimenting with animation a bit, exporting my
>animation as an AVI file. However, the exported AVI
>has very low image quality. I tried tweaking the
>settings a bit but no diff. The last thing I did was
>export the animation as a series of JPGs to preserve
>the quality, but this is a pain because I have a lot
>of files. Is there any way to render good quality AVI
>files?
>
>Thanks.
>Omar
>
>
>
>
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