VHS Video Effect (Website)
ntsc-rs brings authentic VHS-style degradation to modern video workflows using high-performance Rust algorithms instead of basic color overlays.
Deep dive
- Algorithmic Accuracy: Unlike LUT-based filters, this models actual NTSC signal transmission and VHS encoding math.
- Performance: Written in Rust, it leverages SIMD and multi-threading to maintain high frame rates.
- Integration: Compatible with industry-standard NLEs via the OpenFX standard.
Decoder
- NTSC: A legacy analog television color encoding system that introduced specific color bleeding and interlacing artifacts.
- SIMD: Single Instruction, Multiple Data, a technique that allows a processor to perform the same operation on multiple data points simultaneously to speed up heavy computation.
- OpenFX: An open standard API that allows visual effects plugins to run across different video editing software.
Original article
The nostalgia of VHS from the comfort of your home computer.
ntsc-rs is a free, open-source video effect which accurately emulates analog TV and VHS artifacts.
Other popular effects eyeball the look of VHS tapes using simple color lookup tables and overlays. ntsc-rs uses algorithms that model how NTSC transmission and VHS encoding actually work, based on algorithms developed in composite-video-simulator, zhuker/ntsc, and ntscQT.
ntsc-rs is written in Rust, and is multithreaded and SIMD-accelerated. Unlike similar effects such as ntscQT, it can run in real time at much higher resolutions than actual NTSC footage.
ntsc-rs is available not just as a standalone and web application, but also as a plugin for After Effects, Premiere, and all OpenFX-compatible software. This includes DaVinci Resolve, Hitfilm, and Vegas.
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