PINNACLE SYSTEMS, INC. AND SUBSIDIARIES EXHIBIT 22.1--LIST OF SUBSIDIARIES OF THE REGISTRANT 1. Pinnacle Domestic International Sales Corporation, a California Corporation 2. Pinnacle Systems Ltd., a United Kingdom Incorporated Company 3. Pinnacle Foreign Sales Corporation, U.S. Virgin Islands Corporation 4. PS Miro, Inc., a California Corporation 5. Pinnacle Systems C.V., a limited partnership formed under the laws of the Netherlands 6. Pinnacle Systems Gmbh, a corporation organized under the laws of Germany 7. Miro Computer Products B.V., a corporation organized under the laws of the Netherlands 8. Miro Computer Products S.A.R.L., a corporation organized under the laws of France