VOICE IDENTIFICATION

The Aural/Spectrographic Method

by

Michael C. McDermott Tom Owen

Frank M. McDermott, Ltd. Owl Investigations, Inc.

mike@mcdltd.com owlmax@aol.com

Table of Contents

I. INTRODUCTION

II. THE SOUND SPECTROGRAPH

III. THE METHOD OF VOICE IDENTIFICATION

IV. HISTORY

V. STANDARDS OF ADMISSIBILITY

VI. RESEARCH STUDIES

VII. CONCLUSION

VIII. TABLE OF CASES

IX. APPENDIX 1

Ó 1996 Owl Investigations, Inc.