AI transcription for investigators

From bodycam footage to interrogations, Sonix helps investigators transcribe faster, analyze better, and close cases with confidence. Searchable, timestamped transcripts in minutes.

Handles noisy audio
Instant redaction
SOC 2 certified
Video
Secure
Search
Share
Redact
Fast
99%
Accuracy rate
Even with difficult audio
5min
Per hour of audio
Get transcripts fast
10+
File formats
Bodycam, dashcam, more
SOC 2
Type II certified
Enterprise compliance
Investigator Features

Built for investigative workflows

Faster Case Review

Convert audio and video from interviews, 911 calls, and interrogations into searchable transcripts in minutes—not days.

Handles Difficult Audio

From sirens to shouting to overlapping voices, Sonix is trained to transcribe under pressure—even in chaotic scenes.

Automated Redaction

Click-to-redact names, locations, and sensitive details. Prepare files for court or public release without audio editing software.

Searchable Transcripts

Jump directly to key terms or statements—perfect for scanning hours of interview audio or surveillance tapes.

Speaker Identification

Automatically label who's speaking in interviews, witness statements, and interrogation videos for easy reference.

Multi-Agency Collaboration

Invite other departments or agencies to collaborate on specific folders or case files with access controls and audit trails.

Common Questions

Questions investigators ask about
AI transcription

Can Sonix transcribe bodycam and dashcam recordings?

Yes. Sonix is optimized for field recordings like bodycam and dashcam audio, even with background noise like traffic, wind, and overlapping voices.

Is Sonix accurate with poor audio quality?

Absolutely. Sonix is consistently rated the most accurate automated transcription software, even with difficult audio or multiple speakers.

Can Sonix help with redacting sensitive information?

Yes. Sonix lets you click-to-redact any word or phrase from the transcript, making it easy to prepare files for court or public release.

Is Sonix secure for handling investigative data?

Yes. Sonix is SOC 2 Type II compliant and uses encryption in transit and at rest to protect sensitive case data.

Can I use Sonix for FOIA response prep?

Yes. With automated redaction and batch export tools, Sonix simplifies the process of preparing transcripts for Freedom of Information Act responses.

Does Sonix support multi-agency collaboration?

Absolutely. You can invite other departments or agencies to collaborate on specific folders or case files with granular access controls.

Why Investigators Choose Sonix

Close cases faster with
searchable evidence

End Tedious Manual Work

Reduce administrative burden by automating transcription, so investigators can spend more time in the field.

Improve Case Visibility

Enable detectives, attorneys, and analysts to quickly scan and reference evidence with keyword search and highlights.

Court-Ready Documents

Produce readable, speaker-labeled, and time-stamped transcripts that hold up under evidentiary review.

Collaborate Across Teams

Share transcripts with prosecutors or internal teams to streamline workflows and maintain chain of custody.

Why Choose Sonix

Trusted by investigators nationwide

Why do investigative teams choose Sonix?

Sonix handles difficult audio that other tools can't—bodycam noise, overlapping voices, and chaotic scenes. Our AI delivers accurate, searchable transcripts that accelerate investigations.

How does Sonix help with backlog reduction?

Bulk uploads and batch processing let you transcribe dozens of files at once. Perfect for clearing backlogs or handling large-scale investigations.

Can Sonix handle multi-department workflows?

Yes. Assign roles, manage permissions, and create shared folders for multi-department collaboration. Whether you're a local precinct or a federal task force, Sonix fits your workflow.

Is Sonix compliant with legal evidence standards?

Sonix is SOC 2 Type II certified and produces court-ready transcripts with timestamps and speaker labels. Your evidence documentation meets the highest standards.

Customer Reviews

Trusted by investigators worldwide

5.0 rating from 211 reviews

I've tried several different digital software packages and nothing has even approached giving me a usable transcription. The results from Sonix are the best I've seen. And fast. I'...
DK
Dan K.
Los Angeles, CA USA
I tried a few transcription services and I found yours to be clearly superior. The results were more complete and accurate.
JM
Joel M.
Doylestown, PA USA
Found you through Google. Super easy to use. Transcribed 98% correctly even though it was not a great audio file.
RA
Rana A.
Ann Arbor, MI USA
The transcription was fast and accurate.
JT
John T.
Chanthaburi, Thailand
Thank you for this amazing application and program which really saved my life.
RA
Rizwan A.
Rawalpindi, Pakistan
Truly amazing. Saved me hours of work. And about 95% accurate which is great for a South African accent recording.
RC
Ruan C.
Pretoria, South Africa
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Modernize your investigative
transcription workflow

Join leading investigative teams using Sonix to streamline evidence transcription and close cases faster.

99% accuracy. Every word matters.

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