Noise Blocker 3 cleans outgoing microphone audio on Windows before it reaches meetings, games, streams, or recordings. Instead of asking users to capture examples of every unwanted sound, the rebuilt app applies automatic AI cancellation in real time. It targets typing, mouse clicks, fan noise, hiss, and everyday room sounds while keeping speech clear.
The desktop app exposes its processed signal as a virtual microphone, so it works anywhere Windows lets you choose an input device, including Discord, Zoom, Microsoft Teams, Google Meet, Slack, and OBS. Processing happens locally on the PC. Additional controls include voice activation, a configurable gate, loudness equalisation, live input/output monitoring, and system-wide microphone shortcuts. Shortcuts can toggle mute or operate as push-to-talk or push-to-mute.
Windows 10 and 11 are supported. Anyone can download and test the software without registering or sharing an email address; the free allowance resets to 30 minutes each week. Unlimited use is available through a perpetual personal licence. The purchase includes a year of new releases and priority support, but the software does not stop working when that coverage ends. Buying another year of updates is optional.