Specializing in
Forensic Audio Services
Litigation Support.

David A. Smith

Member IEEE, AES

When it Comes to Audio Evidence, Nothing is
More Important Than the Truth — We Reveal That Truth

Audio Evidence is Powerful

Critical details are often buried by noise, distortion, and recording flaws. We isolate what matters so the truth comes through clearly.

Authentication to Waveform Analysis

Sound Testimony® applies specialized forensic methods to evaluate recordings, detect anomalies, and explain findings in clear, defensible terms.

Advanced Forensic Services

From forensic analysis and authentication to enhancement and reporting, we support investigations, litigation, and expert review with reliable results.

30+ Years of Forensic Audio Expertise

David A. Smith (Member IEEE, AES) has over three decades of forensic audio experience working with prosecutors, defense attorneys, general practice attorneys, investigative specialists, corporations, security firms, and individuals.

Our Forensic Audio Services

  • Audio Authentication

    Sound Testimony® can determine if your recording—or the recording being used against you—has been tampered with or edited.

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  • Voice Enhancement

    We recover intelligible speech and other evidence from intrusive noise and badly recorded audio.

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  • Forensic Audio Analysis

    Detailed investigation of all aspects of audio evidence.

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  • Forensic Transcripts

    When every sound matters, you need a forensically accurate transcript with each sound detailed and described.

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  • Accidental & Private Recordings

    Identify the recording device, speaker, and more

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  • Forensic Reports

    Clear, defensible reports documenting methods, findings, and conclusions.

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  • Explore All Services

    View Full Services

Comprehensive Litigation Support

We provide comprehensive litigation support to help you present your case. Our services include creating clear and concise expert reports, forensic transcripts, expert testimony, and developing audio-visual exhibits that effectively communicate our investigation's findings.

Explore Comprehensive Litigation Support

Why Sound Testimony®?

To each case, we bring integrity, leading-edge technology, and an experience-based approach from test plan design to investigation completion.

Schedule Your Confidential Consultation

Ensure your case is built on solid evidence. Get forensic level audio analysis by calling 814.410.4787 or contacting us online. All inquiries are treated with the strictest confidentiality and professionalism.

Ready to get started? Click Here or Call Us—your truth is in there and we’ll help you reveal it.

Sound Testimony® is proudly affiliated with:

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“Mr. Smith is one of the most professional people I have ever encountered. His service, candor, and perseverance are above reproach and I would highly recommend his services to anyone without reservation."

"I wholeheartedly recommend, without reservation, Sound Testimony to any attorney handling a case involving audio materials."

"Mr. Smith did an excellent job, I will call him again in the future."

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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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