Librnnoisevstdll !link! -

denoised_audio = state.process(noisy_audio, sample_rate=48000)

What (OBS, Reaper, Audacity, etc.) are you planning to use this with?

It is strictly optimized for 48000 Hz ; using other sample rates can lead to severe audio issues.

Are you setting this up for in OBS or for system-wide use in professional calls? librnnoisevstdll

: Always place RNNoise first in your filter chain. Suppressing noise before adding compression or EQ ensures the AI isn't trying to process amplified background hiss.

Covers airplane engines, street traffic, and office ambiance.

Effectively eliminates consistent low-frequency hums. denoised_audio = state

Verdict

While NVIDIA RTX Voice is often cited as more powerful due to GPU acceleration, RNNoise is a preferred cross-platform and free alternative for those without modern NVIDIA hardware.

function LoadRNNoise(Path: String = ''; LibName: String = ''): Boolean; : Always place RNNoise first in your filter chain

The processing delay is so small (often under 10–20ms) that it is virtually imperceptible, making it ideal for live, real-time conversations.

Users have reported mixed results regarding delay. While the underlying library is designed for real-time use, some VST implementations may introduce noticeable latency depending on the host application (like OBS or Equalizer APO).

If the ambient noise is louder than your actual voice, the processor has to work too hard, causing digital artifacts. Try to get your microphone physically closer to your mouth to improve the signal-to-noise ratio. The Verdict