For an open source alternative to NVIDIA Broadcast, the strongest matches are noisetorch/noisetorch (NoiseTorch is an open-source real-time audio processor that uses), johnboiles/obs-mac-virtualcam (This repository provides a virtual camera plugin for routing) and streamlabs/desktop (This project is a complete live broadcasting and streaming). werman/noise-suppression-for-voice and alievk/avatarify-python round out the shortlist. Each is ranked by relevance to your query, popularity and recent activity.
We curate open-source GitHub repositories matching “open source alternatives to nvidia broadcast”. Results are ranked by relevance to your query — pick filters below to narrow, or refine with AI.
NoiseTorch is a cross-platform audio processor and real-time noise filter designed to suppress ambient sound from audio streams. It functions as a virtual microphone noise suppressor and routing tool, capturing system audio sources and directing filtered signals into virtual input or output devices. The application uses a recurrent neural network to distinguish between human speech and ambient noise. It provides a virtual denoising microphone that removes background noise from a selected input, alongside tools for filtering audio output streams. The system includes capabilities for audio dev
NoiseTorch is an open-source real-time audio processor that uses a recurrent neural network for noise suppression, though it lacks the video enhancement and OBS integration features requested in the search.
This project is a macOS system camera driver and software plugin that exposes software video streams as hardware-recognized camera inputs. It functions as an OBS virtual camera plugin, allowing the live output of OBS to be utilized as a webcam device within other applications. The tool enables the routing of composited video from a production suite into video conferencing applications such as Zoom or Google Meet. This allows for the streaming of processed scenes instead of a raw webcam feed. The system integrates with macOS using a kernel-level device driver and shared-memory buffer transfer
This repository provides a virtual camera plugin for routing video streams into other applications, which is a useful building block but lacks the AI audio and video enhancement features requested by the visitor.
This project is an OBS-based streaming software and live broadcast engine designed for capturing and transmitting real-time audio and video content to online platforms. It functions as a content distribution tool and a cross-platform desktop application that manages the encoding and transmission of multimedia streams from a computer. The software utilizes an OBS-based engine to handle desktop content capture, including screen activity, application windows, and webcam feeds. It provides the necessary infrastructure to manage complex broadcast layouts and scenes for live audiences. The system
This project is a complete live broadcasting and streaming application built on OBS rather than a dedicated AI enhancement tool, though it handles media capture and stream encoding.
This repository provides real-time neural network noise suppression plugins for audio streams, but it is an audio-only filtering building block rather than the complete audio and video enhancement software requested.
Avatarify-python is a real-time face animation tool that uses a PyTorch-based neural network to map facial movements from a live camera feed onto a static image. It creates photorealistic animated avatars that mimic a user's movements for use in video software. The project includes a remote GPU inference client that offloads heavy computational workloads to a remote server, allowing high-performance animations to run on low-spec hardware. It also features a virtual webcam driver to route synthetic video streams into video conferencing applications as a standard camera device. The system prov
Avatarify-python is a real-time face animation and virtual camera tool that drives avatars from a video feed, but it focuses on facial puppetry rather than general audio/video enhancement like noise suppression or background removal.
DeepFilterNet is a deep learning noise suppression framework and real-time audio filter designed to isolate speech and remove background noise from audio signals. It functions as a speech enhancement tool and audio processing middleware that cleans microphone input and speaker output for communication applications. The system operates as an audio server interceptor, delivering noise-suppressed streams between hardware devices and software applications. It provides capabilities for microphone signal cleaning and audio output filtering, including the creation of virtual noise-suppressed microph
DeepFilterNet is a real-time deep learning audio noise suppression framework and virtual microphone tool, but it lacks video processing capabilities and does not address video stream enhancement.
StreamFX-Public is a collection of OBS Studio plugins and software components designed for broadcast enhancement. It provides a suite of visual effects, filters, hardware-accelerated encoders, and professional video encoding tools to expand the capabilities of the host application. The project distinguishes itself through the support of professional mezzanine video codecs, including DNxHR, ProRes, and Cineform, for high-fidelity post-production editing. It also implements hardware-accelerated recording via GPU cores and AMD AMF to reduce CPU overhead during live broadcasts. The toolset cover
StreamFX is a powerful OBS plugin that adds hardware-accelerated video effects and filters, but it is an addon component rather than a self-contained application for AI audio and video enhancement.
EasyEffects is a real-time audio processor and system-wide effects manager designed for PipeWire audio streams. It functions as a comprehensive suite for applying filters, equalizers, and limiters to both input and output audio across the entire system. The project distinguishes itself through its use of deep learning for neural network noise suppression and voice isolation, as well as its ability to simulate physical acoustic environments using impulse-response convolution. It includes a sophisticated preset management system that allows users to associate specific audio configurations with
EasyEffects is an audio processing suite that applies real-time neural network noise suppression to system streams, but it lacks video effects, a virtual camera, and OBS integration.
DeepFaceLive is a desktop application designed for real-time facial replacement and animation within live video streams. By utilizing deep learning models, the software performs high-speed identity mapping and facial feature analysis to transform video content as it is captured. The engine relies on GPU-accelerated inference to execute these complex image manipulation tasks at interactive frame rates. The application distinguishes itself through a modular video processing pipeline that chains specialized tasks to maintain high throughput and low latency. It features a virtual camera streaming
DeepFaceLive is a real-time facial replacement application rather than a general audio and video enhancement suite, so it lacks the requested noise suppression and comprehensive streaming enhancement features.
BackgroundMattingV2 is a deep learning background matting tool and real-time image segmentation framework. It provides a system for isolating foreground subjects from high-resolution images and video feeds in real time. The project includes a deep learning model trainer for optimizing matting models through base convergence and end-to-end refinement. It also functions as a cross-runtime model exporter, converting trained neural networks into interchangeable formats for deployment across different software environments and hardware runtimes. The framework supports streaming processed webcam f
Peterl1n/backgroundmattingv2 is a deep learning background matting framework for video streams with virtual camera and real-time processing support, but it focuses solely on visual matting without addressing audio noise suppression.
This project is a GPU-accelerated speech engine and AI voice cloning tool. It functions as a text-to-speech synthesizer and voice-to-voice converter that replicates specific human voices to generate synthetic speech. The system creates digital voice profiles by analyzing short audio samples or capturing live microphone input. These profiles enable the transformation of existing audio recordings into a target speaker's voice or the synthesis of new audio from written text. The engine supports subtitle-based speech generation for batch processing and automated dubbing workflows. A web-based au
This project is a speech synthesis and voice cloning tool rather than a real-time audio and video enhancement suite for noise suppression and background removal.
waifu2x-ncnn-vulkan is an AI super-resolution tool and image processor that uses deep learning to increase image resolution and remove visual noise. It is an NCNN-based implementation designed for efficient neural network inference on local hardware. The project utilizes the Vulkan API to provide GPU-accelerated image scaling and noise reduction across diverse graphics hardware. It employs tiled image processing to prevent GPU memory overflow and multi-threaded model loading to reduce initial startup latency. The software covers functional domains including AI image upscaling for maintaining
This repository is an AI image upscaler and denoiser rather than an audio and video stream enhancement tool, making it a neighbouring graphics building block rather than the requested application.
| Repository | Stars | Language | License | Last push |
|---|---|---|---|---|
| noisetorch/noisetorch | 10.1K | Go | other | |
| johnboiles/obs-mac-virtualcam | 4K | Objective-C++ | GPL-2.0 | |
| streamlabs/desktop | 4.8K | TypeScript | GPL-3.0 | |
| werman/noise-suppression-for-voice | 6.3K | C++ | gpl-3.0 | |
| alievk/avatarify-python | 16.5K | Python | NOASSERTION | |
| rikorose/deepfilternet | 3.9K | Python | other | |
| vhonowslend/streamfx-public | 4.2K | C++ | GPL-2.0 | |
| wwmm/easyeffects | 9.7K | HTML | GPL-3.0 | |
| iperov/deepfacelive | 30.5K | Python | gpl-3.0 | |
| peterl1n/backgroundmattingv2 | 7.2K | Python | MIT |