EXHIBIT 23.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Board of Directors One Voice Technologies, Inc. We hereby consent to the incorporation by reference in this Registration Statement on Form SB-2, Amendment No. 2, of our report dated March 7, 2005 relating to the financial statements of One Voice Technologies, Inc., which are incorporated by reference in such Registration Statement. /s/ Peterson & Co., LLP ----------------------- Peterson & Co., LLP San Diego, California July 1, 2005