Audio redaction at lightning speed

Redacted audio, instantly. Remove sensitive data like names, phone numbers, addresses, credit cards, and more from your audio in a few clicks. Mute, bleep, and even resample the audio to disguise voices and identifying information instantly.

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Audio redaction modes for every use case

CaseGuard’s audio redaction modes turn your computer into a redaction, transcription, and translation powerhouse able to handle any audio file. Use its three audio redaction modes separately or together to redact and enhance your audio to get the sound you want.

1. AI Automatic Redaction

Redact one or all instances of a word or phrase. After transcribing your audio, CaseGuard can automatically redact one or all cases of personal data, including:

  • Credit/debit card/Bank Accounts numbers and CVV codes
  • PINs
  • Social security numbers
  • Names
  • Email addresses
  • Phone numbers
  • Postal addresses
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2. Find and Redact

Unusual phrasing in your transcript? It’s no problem. After transcribing your audio, search for keywords in your transcript to redact. In a few clicks, you can highlight what you want to be redacted and remove it. Simply:

  • Type any keyword in the search box
  • Press enter to find all matches, and
  • Mute, bleep or resample your found keywords in one click

3. Manual Redaction

Redact audio with a few clicks. Click on the time or frame value to forward the file to the point-in-time where you want to start redacting right away. All you need to do is:

  • Play your audio or video file, and
  • Press mute, bleep, or resample when you arrive at your target audio segment
3. Manual Redaction

How Audio Redaction works

Redacting audio doesn’t have to take long.

1. Add

1. Add

whatever audio files you need to your CaseGuard Project.

2. Select

2. Select

one of the three redaction modes (Pattern, Search and Find, Manual) and start your redaction.

3. Redact

3. Redact

part of all of your video or audio file and decide whether you want to mute, bleep or resample.

4. Export

4. Export

your redacted audio or video files immediately or schedule them for processing later when you’re away.

Redact Faster

Essential editing tools

All the audio editing tools you need, right at your fingertips.

Cut unwanted audio

Cut unwanted audio

Cut and trim your audio file with ease. CaseGuard’s intuitive audio trimmer makes it easy to cut and delete unwanted portions of your audio.

Blend audio, images, and video

Blend audio, images, and video

Working with audio, image and video files and need to combine them? With CaseGuard, it’s simple. You can merge audio files with images and videos quickly, making it easy to make narrated slideshows and presentations.

Speed up your audio

Speed up your audio

Have a long track with pauses, inessential information, or annoying background noise? With CaseGuard, you can speed up all or any part of your track to achieve a faster playback.

Essential Sounds

Mute, bleep and resample audio

You can mute any audio file or any part of an audio file. CaseGuard’s smart algorithms make muting, bleeping, and resampling take seconds, not hours. Enhance and redact a limitless number of audio files, including 911 calls and customer service calls with a subscription.

Mute
Mute

Mute any audio or video file or any part of your audio or video file using one of the three redaction modes.

Bleep
Bleep

Bleep all or any part of your audio or video file using one of the three redaction modes.

Resample
Resample

Resample (change tone to conceal identity) all or parts of any audio or video file using one of the three redaction modes.

See other features

With CaseGuard Studio, you can change any redaction setting to be as specific or as broad as you need. Its six modes make redacting, transcribing, and translating all of your files simple and fast. Learn more about what CaseGuard Studio can offer.

See How It Works

Trusted worldwide for audio redaction

CaseGuard provides organizations around the world with the redaction capabilities they need to redact and caption audio footage. Join thousands of happy users.

Trusted worldwide for audio redaction

CaseGuard provides organizations around the world with the redaction capabilities they need to redact and caption audio footage. Join thousands of happy users.

CaseGuard-Text-Analytics-Audio-Analysis

Ready to see CaseGuard in action? Get a demo today!

Are you ready to start redacting your files at lightning speed? Get a free demo and a member of our team will be in touch shortly.

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Frequently Asked Questions

CaseGuard combines AI-powered automation with full user control, making it one of the most advanced audio redaction tools available in the market today. It supports both audio and video redaction, allowing you to seamlessly handle sensitive information across multiple formats. It can detect and remove more than 30 categories of personally identifiable information (PII) such as names, addresses, phone numbers, credit card information in seconds, while also giving you the ability to redact custom keywords and phrases directly from the transcript. Trusted by telecommunication agencies, law enforcement, legal professionals, and more worldwide, CaseGuard delivers both accuracy and speed for sensitive audio redaction.

Audio redaction is the process of removing or muting sensitive information such as names, phone numbers, addresses, or credit card details from an audio recording. Automated audio redaction software like CaseGuard automatically scans and detects more than 30 categories of sensitive data, including PII and PCI. Once identified, the software can mute, bleep, or remove the information entirely, creating a secure redacted audio file. Users can also redact custom keywords or phrases directly from transcripts, making the process highly accurate, customizable, and much faster than manual redaction.

With CaseGuard’s Bulk Redaction feature, you can upload and process multiple audio files in a single batch. Our advanced AI automatically detects and redacts PII, PHI, and PCI across all recordings, eliminating hours of manual editing. Whether you’re working through a few files or clearing a large backlog, CaseGuard helps you save up to 95% of the time while ensuring consistent, accurate, and compliant results.

Yes. CaseGuard supports audio redaction from virtually any source, including 911 calls, interviews, call center recordings, depositions, CCTV audio, and more. You can import your files, then automatically detect and remove sensitive information. Whether it’s criminal investigation audio redaction, law enforcement audio redaction or call center audio redaction, CaseGuard makes it easy to upload, process, and export redacted audio securely.

CaseGuard uses advanced AI transcription to convert audio into searchable text, making it easy to identify and redact sensitive information. You can redact names, phone numbers, addresses, and 30+ categories of PII directly from the transcript, with changes automatically synced to the audio or video file. You can also highlight and redact specific keywords or phrases in the transcript, or upload a custom list of terms you want CaseGuard to automatically detect and remove.

Yes. CaseGuard’s audio redaction software is built to help organizations comply with major privacy and security standards, including GDPR, HIPAA, FERPA, and PCI-DSS. Whether you’re handling healthcare calls, financial transactions, or law enforcement recordings, CaseGuard ensures that sensitive data is securely redacted, protecting individuals’ privacy and keeping your organization in compliance with industry regulations.

Yes. CaseGuard’s Redaction Studio allows you to redact audio and video at the same time within a single project. Whether you need to mute or bleep sensitive conversations while also blurring faces, license plates, or documents on screen, the software provides an all-in-one workflow. This means you can handle complete evidence files, both audio and visual, in one place, saving time and ensuring consistency. CaseGuard’s automated redaction tools make it easy to protect PII, PCI, and other sensitive data across formats.

Yes. CaseGuard makes redacting audio from 911 calls fast and reliable. The software can automatically detect and remove sensitive data such as names, phone numbers, addresses, and account numbers, while preserving the rest of the call. This ensures agencies can fulfill public records requests, protect caller privacy, and stay compliant with local and federal regulations. CaseGuard’s AI-driven audio redaction is trusted by law enforcement and public safety organizations worldwide.

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Arlington VA 22209
United States