[Mp4-tech] MPEG-4 compression

[Serge GEDEON]

Dear All,
I am currently comparing different compression solutions for streaming pedagogical multimedia contents over the Internet.
But with the software I am using (Envivio coding station 2.1) to encode MPEG-4 content,
I can't reach the same quality with the same bitrate as with Real 9. Real 9 compression is better, the thing that I find a bit odd.
Could anyone help me in this? did anyone do such a comparison? may it be the soft that I am using? could anyone advise me with another soft?
or may it be the parameters that I am using, I ve tryed aproximatly all the combinations possible!!!
Thanks in advance,
Serge GEDEON
Ph.D. Student
Paul Sabatier University - Toulouse, France
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