NV Broadcast is an AI-powered virtual camera and voice enhancement app for Linux. It brings background blur, background replace, green-screen remove, eye contact correction, face relighting, video enhancement, recording, and local meeting transcription into one app.

What's new in v1.5.2:

• Recovers when a camera's preferred MJPEG mode fails before its first frame by retrying another advertised format at the same resolution and frame rate.
• Gives local meeting transcription workers a private Snap shared-memory namespace.
• Selects a fully supported Python 3.11-3.13 interpreter for source installs, validates matching desktop bindings, and fails with targeted guidance.
• Pins every Snap Store review, candidate, and stable dispatch to a validated release tag and source commit before any build or upload can begin.
• Shows cumulative contributor credits in the About window and validates that accepted external contributors remain credited in future releases.
• Carries the complete tested v1.5.1 native-upgrade, runtime, device-recovery, and provenance work; v1.5.0 and v1.5.1 were not public stable releases.
• Adds a hash-bound GitHub native-package helper that safely migrates known legacy DEB and RPM removal scripts before installing exact artifacts.
• Removes installer-generated runtime and build files on final DEB/RPM uninstall, including clean package-only removal paths.
• Enforces exactly one CPU or CUDA ONNX Runtime distribution owner in source, native-package, macOS, and Snap environments.
• Verifies CPU, CUDA, and TensorRT readiness with pinned fresh-process model execution, rejects silent CPU fallback, and retains provider diagnostics.
• Adds explicit source runtime selection with clean CPU recovery for failed automatic CUDA setup and restart-gated runtime changes.
• Restores the saved microphone shown in the selector and rebuilds a running audio pipeline when the capture device changes.
• Stops GUI and headless startup cleanly when no usable camera is available instead of constructing a broken capture pipeline.
• Makes profile auto-start an explicit per-profile opt-in and keeps controls aligned when a busy or missing camera prevents startup.
• Adds MediaPipe 1.0.0 face effects on Linux arm64 and raises OpenCV, Protobuf, Pillow, pip, and pytest security floors.
• Strengthens strict Snap dependency closure, launcher validation, reviewed revision promotion, rollback, and post-promotion metadata refresh.
• Publishes checksums for attached release assets and GitHub provenance, while stable promotion verifies both architectures against the release tag.

Recent quality updates:

• v1.4.0 adds rebindable global effect shortcuts, Gaze Lock, live camera switching, crash-safe processing reloads, and improved hair-edge and microphone behavior.
• v1.3.0 adds a device-resident NVIDIA video path, stronger blur controls, safe camera and microphone power saving, corrected Apple Silicon camera selection, and cleaner sunlit replacement edges.
• Compute selection lets users choose Auto, GPU Focused, or CPU Focused behavior. GPU Focused selects the DocZeus/CUDA path when available, while CPU Focused keeps users on CPU modes when preferred.
• The arm64 Snap build stays portable and CPU-safe until Linux arm64 GPU wheels are available from upstream providers.

Core features:

• Blur your background
• Replace your background with an image
• Remove your background for green-screen workflows
• Eye contact correction while reading or presenting
• Face relighting to better match the background
• Video enhancement with skin smooth, denoise, enhance, and sharpen controls
• Voice studio tools plus local AI meeting transcription and summaries
• DocZeus, Zeus, Killer, CUDA, and CPU processing modes for different systems
• Works with Zoom, Chrome, OBS, Discord, and other webcam apps

For install guides, release downloads, feature breakdowns, and upgrade instructions, visit the official website: https://nvbroadcast.com