Exhibit 23.1 CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS The Board of Directors American Technology Corporation We hereby consent to the incorporation by reference in the Registration Statements on Forms S-8 (File No. 333-09265, File No. 333-09269, File No. 333- 23845 and File No. 333-59929) and Forms S-3 (File No. 333-27455, File No. 333- 36003, File No. 333-71351) of our report dated November 5, 1999 relating to the financial statements of American Technology Corporation appearing in the Company's Annual Report on Form 10-KSB for the year ended September 30, 1999. /s/ BDO SEIDMAN, LLP --------------------- BDO Seidman, LLP Denver, Colorado December 5, 1999