Noise Blocker

Noise Blocker

Closed Loop Labs
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About

Noise Blocker is a Windows microphone utility that uses real-time AI noise cancellation to reduce background noise before it reaches calls, recordings, streams, or voice chat. Audio is processed locally and supplied through a virtual microphone to Zoom, Teams, Google Meet, Discord, Slack, OBS, and other apps. Version 3 is a ground-up rebuild that replaces the recorded-sample workflow with automatic cancellation for keyboard and mouse clicks, fans, hiss, and room noise. It also includes voice activation, loudness equalisation, a configurable noise gate, real-time monitoring, and global push-to-talk, push-to-mute, and toggle shortcuts. Noise Blocker supports Windows 10 and 11. Try it without an account or email with 30 free minutes each week. A personal licence is a one-time purchase—not a subscription—and unlocks unlimited use with 12 months of updates and priority support. The eligible installed version keeps working afterward; renewal is optional.

About

Audible's ACX has eight technical checkpoints, and a file that misses one comes straight back. chapterpass masters each chapter file to spec: RMS loudness between -23 and -18 dBFS, peaks held below -3 dBFS, a noise floor under -60 dBFS RMS, room tone at the head and tail, and a 192 kbps CBR MP3 on the way out. Every output is verified against the full spec before download, and you see the measured value next to the requirement for each checkpoint. The processing runs in your browser through WebAssembly, so your audio never leaves your device. There is no account to create. Your first file is free, then $36 per finished hour, $27 from 5 hours, $18 from 10 hours, billed by the second. A free measurement page at /free-acx-check reads your loudness, peak, noise floor and silence padding against the spec without mastering anything. chapterpass masters the measurable technical specs. It does not edit your recording, remove noise, or fix narration.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Remote workers, gamers, streamers, podcasters, call-center agents, and Windows users who need a cleaner microphone for calls, recordings, or voice chat.

Audience

Audiobook narrators, indie authors narrating their own books, audiobook producers and post-production studios preparing files for Audible ACX

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

$25 one-time / $50 regular
A personal licence is perpetual and includes 12 months of updates and priority support. The software keeps working after 12 months; renewal for future updates is optional.
Free Version
Free Trial

Pricing

$36 per finished hour
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Closed Loop Labs
Netherlands
closedlooplabs.com

Company Information

chapterpass
Founded: 2026
Italy
chapterpass.com

Alternatives

Krisp

Krisp

Krisp Technologies

Alternatives

AudioCommander

AudioCommander

Andrea Electronics
Loudness

Loudness

Loudness.fm
Elevate

Elevate

Newfangled Audio

Categories

Categories

Integrations

Discord
Google Meet
Microsoft Teams
Slack
Zoom

Integrations

Discord
Google Meet
Microsoft Teams
Slack
Zoom
Claim Noise Blocker and update features and information
Claim Noise Blocker and update features and information
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Claim chapterpass and update features and information