All the news you're looking for from Tensilica, Inc. Find out how you can use Tensilica's customizable, extensible processors to speed your SOC design. See Tensilica for DSPs and all the processing you need to do in the dataplane (dataplane processors - DPUs).
Xtensa LX4 is built on top of the Xtensa 9 architecture, so it's important to evaluate both to see what processor is best for your application. This page has an interesting comparison between the two.