Dilithium Networks, a Petaluma, California-based designer of mobile video transmission technologies, has raised $33 million in its fourth and what it hopes it last round of funding. The investor group was led by public fund manager Franklin Templeton, accompanied by New York-based hedge fund Galleon, Valley-based public and private investor Attractor, and ex Soros fund manager Stan Druckmeyer’s Duquesne. The figure takes funding to date to $65 million.

The company hopes to go public after this round. It signal processing technology is used in 3G videotelephony and it is the owner of several of the patents used in the ITU standard. More in this Red Herring story.