Our almost three decades of professional audio enhancement began long before sophisticated computer-based tools were available. Working entirely in the analog domain helped refine our recorded speech comprehension enhancement techniques.

This experience combined with the latest computerized analysis tools provides you with professional solutions to your recording authentication, audio forensic analysis, voice recovery, and voice recognition/elimination needs.

David A. Smith


As a member of the American College of Forensic Examiners Institute, the Audio Engineering Society, and the International Electrical and Electronics Engineers, David Smith is committed to staying up-to-date with all Forensic Audio analysis and procedural protocols.

Insights and Discoveries

These articles contain snapshots of some of my observations while working as an Audio Forensics Examiner. While revealing no secrets about the craft, and certainly not betraying any confidences, they demonstrate that while “Lady Justice” is blindfolded, she can still hear very well.

Sound Testimony® 

We offer Forensic Audio Services to a wide range of clients. Whether you are a legal professional or a private individual, we’re here to help you.

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©2016 Sound Testimony®