How to Use NVIDIA RTX Voice for Noise Suppression Quick Guide

Anastasios Antoniadis

How to Use NVIDIA RTX Voice for Noise Suppression [Quick Guide]

Meta Game Guides has gone streaming and YouTubing, and if you are doing the same thing, you probably want to tackle the challenge of suppressing background noise and your keyboard taps and mouse clicks while recording or streaming. Thankfully, there is an easy solution to this problem if you have an NVIDIA graphics card, which is more often than not the case for gamers and streamers.

NVIDIA RTX Voice Installation & Setup

Here are the steps to using RTX Voice for noise suppression:

  • First, head to NVIDIA’s RTX Voice setup page. There, you will have two options:
    • If you have an NVIDIA RTX GPU or higher, you will need to download NVIDIA Broadcast, and I will make another guide for people using NVIDIA Broadcast.
    • If you are like me and have an NVIDIA GTX GPU – I have an NVIDIA GTX 1660 Ti – you must download RTX Voice.
  • Install RTX Voice.
  • Configure RTX Voice. In RTX Voice’s configuration, you must select the audio input device and enable the “Remove background noise from my microphone” option.
NVIDIA RTX Voice Settings
Image: NVIDIA/Meta Game Guides
  • In the image above, I have elected to suppress the background from my webcam’s microphone.
  • If you are streaming with someone else and want to suppress the background noise coming from their source, you may need to enable the second option to suppress noise from your speakers or headphones, but it is highly recommended that the other person does it. This will be less straining for your GPU.

RTX Voice uses AI to remove background noise. RTX Voice is software that acts as an intermediary between your camera and your streaming software.

So, the next step is to add RTX Voice as an Audio Input Device to your streaming software, and in this guide, I will show you how to do it for OBS Studio and Streamlabs OBS.

I use Streamlabs OBS as I had issues with streaming and recording quality in OBS Studio that were instantly resolved by moving to Streamlabs.

Adding RTX Voice as an Audio Input Device (OBS Studio)

You must start OBS Studio first to add RTX Voice as an Audio Input Device.

  • Next, go to the “Sources” window at the bottom and click the + icon to add a new source.
  • In the pop-up menu, select “Audio Input Capture.”
  • In the Create/Select Source window, choose “Create New,” and add a name to the source, e.g., RTX Voice, and click “OK.”
OBS Studio RTX Voice png
Image: OBS/Meta Game Guides
  • In the next window, choose “Microphone (NVIDIA RTX Voice) from the dropdown menu.
RTX Voice select device png
Image: OBS/Meta Game Guides
  • Click “OK,” and the “RTX Voice Tutorial” (or the name you chose) will appear in your “Sources” window. We are almost done.
  • There is one problem, though. The software processing performed by RTX Voice creates some delay. If you record your voice without considering that delay, it will sound distorted as it is still in the middle of processing. Don’t worry; the solution is simple.
  • Go to OBS Studio’s audio mixer, click the cog of your RTX Voice audio input capturing device, and select “Advanced Audio Properties.”
OBS Studio Audio Mixer RTX Voice Tutorial png
Image: OBS/Meta Game Guides
  • What we want to do here is to add a little sync offset value to make up for the delay caused by NVIDIA RTX Voice’s processing. I have found “100ms” to be a sweet spot, but you may have to go up to “200ms” if your graphics card is slow or the background noise is too loud. Don’t go too high, though. Otherwise, the video and audio won’t be in sync anymore.
RTX Voice Sync Offset png
Image: Streamlabs/Meta Game Guides
  • You are ready to start recording or streaming!

Here is my video guide for the process. Notice the distortion in my voice due to the deafening background noise at the start of the video (I am recording on a laptop without an RTX card, so RTX Voice could not do an excellent job with that sound level).

NVIDIA RTX Voice setup for Streamlabs OBS

The process for Stremlabs OBS is almost identical to OBS Studio. Here are the steps to add RTX Voice and a sync offset to your audio-capturing device:

  • Start Streamlabs OBS
  • Go to sources and press “+” to add a new source.
  • In the “Add Source” window, select “Audio Input Capture” from the “Standard” list.
Add New Source - Streamlabs OBS
Image: Streamlabs/Meta Game Guides
  • Toggle the option to add a new source and give a name to your source.
Add New Sources Instead - Streamlabs OBS
Image: Streamlabs/Meta Game Guides
  • Select “Microphone (NVIDIA RTX Voice) in the next window. Then Click “Done,” and your source will be added.
Streamlabs OBS audio input capture select RTX voice
Streamlabs OBS – Select Microphone (NVIDIA RTX Voice)
  • We need to apply the 100ms sync offset to the “RTX Voice Tutorial.” Go to the “Mixer” window and press the cog at the top right corner with the snippet “Open advanced audio settings.”
New Source Properties
Image: Streamlabs/Meta Game Guides
  • In the pop-up window, set the Sync Offset for the device to 100ms.
RTX Voice Sync Offset
Image: Streamlabs/Meta Game Guides
  • That’s it! You are good to go!
Anastasios Antoniadis
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