EXHIBIT 21-1 LIST OF SUBSIDIARIES OF THE REGISTRANT: DiviCom Inc. (incorporated in Delaware) DiviCom Limited (organized under the laws of Barbados), a subsidiary of DiviCom Inc. DiviCom International Limited (organized under the laws of Bermuda), a subsidiary of DiviCom Inc. DiviCom Asia Pacific Limited (organized under the laws of Hong Kong Special Administrative Region of the People's Republic of China), a subsidiary of DiviCom International Limited DiviCom Europe SAS (organized under the laws of France), a subsidiary of DiviCom International Ltd. C-Cube Microsystems France (organized under the laws of France), a subsidiary of C-Cube Microsystems Inc. C-Cube U.S. Inc. (incorporated in Delaware) C-Cube Microsystems International Ltd. (organized under the laws of Bermuda) C-Cube International Limited (organized under the laws of the Hong Kong Special Administrative Region of the People's Republic of China), a subsidiary of C-Cube Microsystems International Ltd. C-Cube Microsystems (Asia Pacific) Limited (organized under the laws of the Hong Kong Special Administrative Region of the People's Republic of China) C-Cube Japan, Inc. (organized under the laws of Japan) C-Cube Semiconductor Inc. (incorporated in Delaware) *Media Computer Technologies, Inc. (incorporated in California) *Discontinued operation