Easy MIC Booster

Microphone gain amplification & high-quality audio processing for Windows.

Captures microphone input via NAudio, processes it through AI Noise Suppression (RNNoise), Equalizer, Noise Gate, and Limiter, and routes it to a virtual audio device such as VB-CABLE.

Get Started GitHub

Easy MIC Booster Top Screen

Key Features

  • Software Amplifier – eliminates microphone gain shortage at the system level
  • AI Noise Suppression – RNNoise-based removal of fans, keystrokes, and other background noise even while you speak
  • Noise Gate – mutes the channel between phrases for completely silent gaps
  • Parametric Equalizer – visual graph editing with savable presets
  • Limiter – prevents clipping from sudden loud noises
  • Bilingual UI – English / Japanese
  • Auto Save – device, switches, and EQ are restored on next launch

How It Works 

Microphone Input
       │
       ▼
 NAudio Capture (PCM)
       │
       ▼
 DSP Chain (RNNoise → Equalizer → Gain → Noise Gate → Limiter)
       │
       ▼
 Virtual Audio Device (VB-CABLE Input)
       │
       ▼
 Discord / Zoom / OBS / etc.

Quick Start

  1. Install VB-CABLE.
  2. Download and unzip the latest release.
  3. Launch EasyMICBooster.exe.
  4. Select your microphone as Input and CABLE Input (VB-Audio Virtual Cable) as Output.
  5. Toggle the central switch ON.
  6. In Discord/Zoom/OBS, select CABLE Output (VB-Audio Virtual Cable) as the microphone.

See User Guide for the full walkthrough.