EXHIBIT 23.1 EXHIBIT 23.1 THE BOARD OF DIRECTORS INPUT/OUTPUT, INC.: We consent to incorporation by reference in the registration statements (No. 33- 54394, No. 33-46386, No. 33-50620 and No. 33-85304) on Form S-8 of Input/Output, Inc. of our report dated June 26, 1996, relating to the consolidated balance sheets of Input/Output, Inc. and subsidiaries as of May 31, 1996 and 1995, and the related consolidated statements of operations, stockholders' equity, and cash flows for each of the years in the three-year period ended May 31, 1996, which report appears in the May 31, 1996 annual report on Form 10-K of Input/Output, Inc. /s/ KPMG Peat Marwick LLP Houston, Texas July 18, 1996