Serving across the US and Canada

AUDIO FORENSIC LAB

Audio Enhancement And Analysis For Clarity

Expert forensic analysis of audio, video, and images for legal cases and investigations. We authenticate and enhance audio, video, and image evidence for Law Enforcement and Legal Professionals, so you can see and hear what actually happened. Giving insights you can use to resolve or confidently take your case to trial.

International Association for Identification

American Society for Photogrammetry and Remote Sensing

California Association of Licensed Investigators

Audio Engineering Society

Need audio enhancement?

Call 800-799-0828 or fill out the form below for a custom quote

American Board of Recorded Evidence

American Society for Photogrammetry and Remote Sensing

International Association for Identification

Audio Engineering Society

Need audio enhancement?

Call 800-799-0828 or fill out the form below for a custom quote

Audio media forensics

Audio Forensics for Modern Justice

At Stutchman, we stand as your dedicated partner, providing cutting-edge audio forensic analysis services that empower professionals to unravel the truth and build compelling cases.

Audio Enhancement

Audio enhancement in forensics refers to the process of improving the quality and clarity of audio recordings to extract valuable information and details. This forensic technique is employed when dealing with audio evidence that may be unclear, distorted, or contain background noise. The objective of audio enhancement is to make the auditory information more intelligible, allowing forensic experts to identify critical details, such as voices, sounds, or conversations, that may be crucial in legal proceedings or investigations.

During the audio enhancement process, various tools and techniques are utilized to reduce noise, enhance speech, and improve overall audio quality. Advanced software is employed to filter out unwanted background noise, adjust levels, and emphasize specific frequencies. Forensic experts carefully analyze the enhanced audio to ensure that any alterations or enhancements are conducted in a scientifically rigorous and transparent manner, adhering to legal standards.

Audio Enhancement

Forensic experts use various methods to assess audio authenticity, including:

Voice Identification: Examining unique characteristics of a speaker’s voice to verify if it matches known samples or individuals associated with the case.
Analysis of Recording Artifacts: Scrutinizing the recording for signs of tampering, editing, or alterations that may compromise the authenticity of the audio.
Background Noise Analysis: Assessing the ambient sounds present in the recording to determine if they are consistent with the purported time and location of the recording.
Timestamp and Metadata Examination: Scrutinizing timestamps and metadata associated with the audio file to ensure they align with the circumstances surrounding the recording.
Forensic Authentication Software: Employing specialized forensic tools and software to detect any anomalies or inconsistencies that may indicate manipulation or forgery.

Audio Analysis Timing

Key components of audio analysis timing in forensics include:

Temporal Alignment: Ensuring that multiple audio recordings are temporally aligned when assessing events occurring simultaneously or sequentially.
Timestamp Verification: Scrutinizing timestamps associated with audio files to confirm their accuracy and consistency with the purported time of the recorded events.
Speech Timing and Pace: Analyzing the timing and pace of speech patterns to identify pauses, interruptions, or alterations that may indicate editing or tampering.
Event Synchronization: Evaluating the synchronization of audio events with other types of evidence, such as video footage or timestamps from other sources.
Timeline Reconstruction: Reconstructing a timeline of events based on the temporal information extracted from multiple audio sources.

Demonstrative Evidence

Trust Us to be Your Partner in presenting clear, convincing, and technologically advanced demonstrative evidence that stands out in the legal arena.

Detailed Timelines

Sequence of Events

Time Between Shots Fired

Video & Still Image Annotation

Video Redaction

Video to Still Image Extraction

Multi-Camera Video Synchronization

Stabilizing Body Cam or Cell Phone Footage

Tracking Subjects With Arrows or Highlights

Our Trusted Services

We deliver unparalleled insights through advanced media analysis techniques.

audio forensics

Why Choose Stutchman Forensic Lab for Audio Forensics?

Expert Audio Forensic Analysis

At the heart of our services lies a team of seasoned experts dedicated to the meticulous analysis of audio recordings. Whether enhancing clarity, deciphering background noise, or authenticating recordings, our audio forensic lab is committed to delivering results that withstand the scrutiny of legal proceedings.

Cutting-Edge Technologies

Stutchman Forensic Lab leverages state-of-the-art technologies to bring out the hidden details in recorded conversations. Our advanced tools and methodologies ensure that every nuance is captured, providing a comprehensive understanding of the audio evidence at hand.

Owner and Director Leadership

Led by Owner and Director Steve Buller, our team is driven by a commitment to excellence. Benefit from his leadership and the collective knowledge of our experts, ensuring that your audio forensic needs are met with the highest standards of professionalism and precision.

WHERE WE SERVE

Serving Over 3000+ Counties with Advanced Audio Forensics

Whether it’s unraveling audio mysteries in Chicago, validating audio evidence in Los Angeles, or scrutinizing audio integrity in New York, Stutchman stands as a beacon of forensic excellence.

our clients

Who We Have Served

Eric R. Uldall

Superior Court Judge – Ret.

“I have known Mr. Stutchman on a professional basis for over eight years. Mr. Stutchman is a very well known and well-respected investigator and forensic consultant. . Over the years I have had the opportunity to discuss Mr. Stutchman’s competence and integrity with local attorneys. These attorneys all speak in glowing terms of Mr. Stutchman’s competence and high morals. . I found Mr. Stutchman to be extremely well qualified in his area of expertise.”

Nancy C. Smith

Deputy Public Defender, Stanislaus County, CA

“I wanted to let you know how helpful the work was that your Company did on our case. The District Attorney dismissed the case this morning based on the fact that the video surveillance as enhanced by Stephen Buller showed that my client was not the person in the video. Thanks for your assistance!“

Darryl G. Perlin

Senior Deputy District Attorney, County of Santa Barbara

“I wish to take this opportunity to thank you for the excellent work you did in the case of People v. Malinda Jean Jones. Your business did an excellent job with the videotape. This proved to be of invaluable assistance when the jury watched the videotape. Additionally, when you testified during the jury trial, the jury was impressed with your presentation. The work you did in this matter really made a difference. Thank you for your contribution to the success of this important case.”

J. Tony Serra

Lawyer, San Francisco, CA

“The undersigned has been acquainted with and has utilized the services of Mr. Stutchman for approximately the past seven years. I unreservedly recommend Mr. Stutchman for his expertise, devotion to task and quality of work. In an attempted murder case in 1994, his graphics, aerial photographs, enhancements of video and audio tapes were state-of-the-art. He testified as an expert witness for us in these areas. Since that time he has testified on numerous occasions as an expert. In short, I heartily recommend Mr. Stutchman to anyone needing his services and will be happy to speak to anyone concerning his qualifications.”

Bob Burcina

Ret. Police Officer, Sr. Special Investigator, Napa, CA

“As a senior special investigator in one of the top insurance companies in America, my unit frequently procures the services of Stutchman Forensic Audio and Video Laboratory to clarify and analyze audio and videotapes…We look to Mr. Stutchman to provide the unbiased investigation into our audio and video forensic needs…I know Mr. Stutchman to be honest, hardworking and dedicated to his craft. His reputation is impeccable.”

James V. Jones

Attorney at Law, Napa, CA

“Having practiced criminal law in the courts throughout California for over 30 years, I believe I know an excellent professional when I see one. Gregg Stutchman is one of those rare professionals who is not only superbly qualified, who keeps himself on the cutting edge of technological development, but also one who takes a direct personal interest in his client’s cases. He is prompt and efficient in his work, and will go the ‘extra mile’ that often makes the difference in the successful resolution of complex cases.”

Roslyn A. Eliaser

District Attorney Investigator, Santa Rosa, CA

“Since my first meeting with Mr. Stutchman, I and other investigators in our office have used him to examine both audio and video evidence for purposes of criminal prosecutions in other cases. On all occasions we have been exceptionally pleased with Mr. Stutchman’s work and continue to use his services. I know I can count on him to provide fair and competent examinations of audio and video evidence.”

Steven A. Chase

Attorney at Law, San Jose, CA

“I wanted to send you a somewhat belated thanks for the work you performed on behalf of my client. The enhanced and slowed tapes were the straw that finally broke the rather sturdy back of the prosecutor. All eleven robbery counts were dismissed on the eve of trial, and my client and the co-defendant were released after spending nine months in jail for a crime that they didn’t commit. On behalf my client and myself, I send you a heartfelt thanks.”

Brian Dressler

Investigator, Ukiah, CA

“I have personally worked with Mr. Stutchman when he was hired by our office to do both audio and video work…His work product is excellent… I have always known him to be both honest and professional.”

Matthew J. Garcia

Chief, Napa Valley, CA

“Mr. Stutchman is known widely in the criminal justice community as a person who conducts himself and the operations of his laboratory according to a very high level of ethical standards. The outcomes of his work are a testament to this fact and a reflection of his dedication.”

Michael Norman

Assistant Public Defender, Georgia Public Defender Council

"Thank you for the video enhancement. It will be very helpful to my client’s case. I will make sure to let the other attorney's in the office know about the quality of the work as well as the great turnaround time. Thanks again."

Brian Dolin

Partner, Jacobsen & McElroy PC

Testimonial for Civil Attorney, this can also go under the Insurance landing page as well:"Over the past decade I have retained Stutchman Forensic Lab when video evidence becomes a material issue in my litigated cases. I am always impressed with their response time, work product, and professionalism!"

Laura M. Petty

she/her/hers, Certified Criminal Law Specialist

"I have worked with Steve Buller at Stutchman on multiple homicide cases in the last ten years, always with excellent results. Steve is always clear, responsive, available, patient when I ask him to repeat an explanation, no drama, and always stay within the allotted budget. He stands out from many other experts because of his down-to-earth style of just getting the work done without delays or excuses and then helping me understand what he did and how he did it. Steve is great at enhancing video and audio recordings, and he recently deconstructed a fairly complex video compilation created by law enforcement. He was able to tell me what they got right and what they got wrong-excellent material for cross examination. I will always return to Steve for forensic help."

STUTCHMAN FORENSIC LAB

Confidentiality, Compliance and Trust

Stutchman Forensic Lab adheres to the highest standards of confidentiality and compliance in every audio forensic analysis. We understand the sensitive nature of our work and handle each case with the utmost care. Partner with us to ensure that your trust in our audio forensic lab is reciprocated with reliable, confidential, and expert analysis.

Serving across the US and Canada

Serving across the US and Canada

AUDIO FORENSIC LAB

Audio Enhancement And Analysis For Clarity

International Association for Identification

American Society for Photogrammetry and Remote Sensing

California Association of Licensed Investigators

Audio Engineering Society

Need audio enhancement?

American Board of Recorded Evidence

American Society for Photogrammetry and Remote Sensing

International Association for Identification

Audio Engineering Society

Need audio enhancement?

Audio media forensics

Audio Forensics for Modern Justice

Audio Enhancement

Audio Enhancement

Audio Analysis Timing

Demonstrative Evidence

Detailed Timelines

Sequence of Events

Time Between Shots Fired

Video & Still Image Annotation

Video Redaction

Video to Still Image Extraction

Multi-Camera Video Synchronization

Stabilizing Body Cam or Cell Phone Footage

Tracking Subjects With Arrows or Highlights

Our Trusted Services

Audio Forensics

Video Forensics

Image Forensics

Gunshot Analysis

Expert Testimony

Contact Us

audio forensics

Why Choose Stutchman Forensic Lab for Audio Forensics?

Expert Audio Forensic Analysis

Cutting-Edge Technologies

Owner and Director Leadership

WHERE WE SERVE

Serving Over 3000+ Counties with Advanced Audio Forensics

our clients

Who We Have Served

STUTCHMAN FORENSIC LAB

Confidentiality, Compliance and Trust

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