The 2011 International Conference on Signal and Information Processing (CSIP2011) will take place in Shanghai China, 28-30 October, 2011. The conference CSIP2011 is held under the World Congress on Engineering and Technology 2011(CET2011). The CET 2011 is composed of several conferences on the frontier topics in the engineering and technological subjects. The CET conference proceedings will be published by IEEE, and the accepted papers will be indexed by Ei Compendex and ISTP.