“RTX Audio” is best understood as an umbrella term for NVIDIA’s audio effects—not one standalone product. For current RTX graphics cards, the main option is NVIDIA Broadcast, which offers AI noise removal and room echo removal. Owners of some GTX cards may use the separate, earlier RTX Voice utility for noise removal, but GTX support for RTX Voice does not mean Broadcast will run on a GTX card.
What does NVIDIA Broadcast do to audio?
NVIDIA Broadcast processes microphone and incoming audio to reduce unwanted background noise and room reverberation. NVIDIA describes these effects for streaming, voice chat, and video calls. The app creates virtual Windows audio devices: after enabling an effect, choose the corresponding NVIDIA Broadcast device as the microphone or speaker in the app where you want the processed audio.
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Broadcast is a processing layer, not a replacement for a microphone or headset. NVIDIA’s setup guidance does not require a particular accessory. The result depends on your room, microphone, settings, and other processing; NVIDIA’s reviewed materials do not establish a universal or quantified improvement in sound quality.
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| Option | Hardware path | Audio effects established by NVIDIA | Best fit |
|---|---|---|---|
| NVIDIA Broadcast | Supported RTX GPU; NVIDIA lists GeForce RTX 2060, Quadro RTX 3000, TITAN RTX, or higher. | Noise removal and room echo removal. | RTX owners who want the current app’s audio effects, including room echo removal. |
| RTX Voice | NVIDIA says it patched RTX Voice to support GeForce GTX GPUs for noise removal; its guide points RTX GPU owners to Broadcast. | Noise removal. The cited RTX Voice guidance does not establish room echo removal as an RTX Voice feature. | GTX owners seeking the legacy noise-removal route, if their card and setup are supported. |
Neither option is a guaranteed winner for every room, microphone, application, and GPU. If you have a supported RTX card, start with Broadcast. If you have a GTX card, do not assume Broadcast is available: NVIDIA’s FAQ says it cannot be used with GeForce GTX GPUs, while its separate RTX Voice guidance describes GTX support for noise removal. Check NVIDIA’s Broadcast requirements and download page and RTX Voice setup guide for current compatibility details.
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What does Broadcast require?
NVIDIA’s requirements table lists a GeForce RTX 2060, Quadro RTX 3000, TITAN RTX, or higher; 8 GB of RAM; Windows 10 64-bit; and driver R570 or newer. These are the stated requirements on the page, not a recommendation to buy a particular card. The GPU names identify the minimum hardware NVIDIA lists; they do not establish that upgrading solely for noise removal is worthwhile.
NVIDIA’s page has a version discrepancy: its header identifies Broadcast as version 2.2.0, while the requirements block identifies version 2.2.1. Check NVIDIA’s download page or release notes for the version offered when you install. NVIDIA’s FAQ also says an internet connection is needed during installation so the installer can download GPU-specific AI models.
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For GTX owners, NVIDIA describes RTX Voice as a separate option for noise removal. Review its compatibility guidance rather than treating RTX Voice support as a route to run Broadcast.
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- Install and open NVIDIA Broadcast, then select the microphone or other input you want it to process.
- Enable the intended effect, such as Noise Removal or Room Echo Removal, in Broadcast.
- In the destination app’s audio settings, select the relevant NVIDIA Broadcast virtual device as the microphone or speaker. NVIDIA’s setup material gives examples including OBS Studio and Discord; device names and support can vary, so check the app’s current input and output lists.
- Test the audio in that app. If the app or an audio driver is also applying a similar noise-cancellation effect, temporarily disable that duplicate processing and compare. NVIDIA warns in its RTX Voice guide that applying similar effects twice can interfere with quality or correct operation.
Choose only the route you intend to process. For example, select Broadcast as the microphone in a call app if you want the other participants to hear processed microphone audio; do not route all system playback through denoising unless that is the intended result.
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What to consider before enabling multiple effects
NVIDIA says Broadcast’s performance impact varies with the GPU, game, webcam resolution and frame rate, and number of effects enabled. It does not provide a universal frame-rate cost in the reviewed pages. If performance matters, test with your usual workload and enable only the effects you need rather than assuming every configuration behaves alike.
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- If Broadcast is missing from an application’s device list, check that it is installed and running, then review the app’s current audio-device options.
- If voice quality is worse or processing behaves unexpectedly, check for duplicate noise suppression in the destination app or audio driver.
- If installation fails, verify the listed operating-system, GPU, memory, and driver requirements, and allow internet access during installation for the model download.
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