TRIDENT MICROSYSTEMS, INC. EXHIBIT 23.1 CONSENT OF INDEPENDENT AUDITORS We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 33-57610, No. 333-09383, No. 333-29667, No. 333-76895 and No. 333-71770) of Trident Microsystems, Inc. of our report dated July 22, 2003 relating to the financial statements which appear on page 30 of this Form 10-K. PricewaterhouseCoopers LLP San Jose, California September 26, 2003 63