§ 03 — Software
software
Tools that clean your mic before the call app hears it. Most add a virtual microphone you select in the app; some run on your graphics card instead of the processor.
| Name | Kind | Where in chain | Platforms | Price | Runs on | Works with |
|---|---|---|---|---|---|---|
| Krisp | AI | Virtual microphone | Windows · macOS | 7-day free trial, no credit card; Core $8–16 and Advanced $15–30 per user per month, depending on billing period | CPU | Zoom, any app that lets you pick the mic |
| NVIDIA Broadcast | AI | Virtual microphone | Windows | Free download for PCs with an NVIDIA RTX GPU | GPU | Discord, Zoom, any app that lets you pick the mic |
| Windows Voice Clarity and Voice Focus | AI | Operating system | Windows | Included with Windows 11 (checked 2026-10-18) | CPU | |
| macOS Voice Isolation | AI | Operating system | macOS | Included with macOS (checked 2026-10-18) | Not stated | FaceTime, Webex |
| iPhone and iPad Voice Isolation | AI | Operating system | iOS | Included with iOS and iPadOS (checked 2026-10-18) | Not stated | FaceTime |
| Pixel Clear Calling | AI | Operating system | Android | Included on Pixel 7 and later (checked 2026-10-18) | Not stated | Calls in the Pixel Phone app on Pixel 7 and later; VoIP apps on Pixel 10 and later, except Pixel 10a; and some third-party apps for Wi-Fi calls on Pixel 8 and Pixel 8 Pro. |
| SteelSeries Sonar ClearCast AI | AI | Virtual microphone | Windows | Free with SteelSeries GG (checked 2026-10-18) | CPU | Discord, Microsoft Teams, Steam voice chat, any app that lets you pick the mic |
| Logitech G HUB Blue VO!CE | Classic filter | Headset or mic | Windows · macOS | Included in Logitech G HUB with a Blue VO!CE headset or mic (checked 2026-10-18) | Not stated | Any app that lets you pick the mic |
| AMD Noise Suppression | AI | Virtual microphone | Windows | Included in AMD Software: Adrenalin Edition (checked 2026-10-18) | GPU | Any app that lets you pick the mic |
| OBS Studio noise suppression | Filter plugin | Plugin in a host app | Windows · macOS · Linux | Free and open source (checked 2026-10-19) | CPU | The filter cleans audio sources inside OBS Studio, so it shapes what OBS records and streams, not the mic a call app opens. |
| Audacity Noise Reduction | Filter plugin | Plugin in a host app | Windows · macOS · Linux | Free and open source (checked 2026-10-18) | Not stated | It works on audio you have recorded and opened in Audacity, not on a live call. |
| NoiseTorch | AI | Virtual microphone | Linux | Free, open-source download from GitHub (checked 2026-10-18) | CPU | Discord, any app that lets you pick the mic |
Prices and requirements as listed by each vendor on the date shown on its page.