Subaligner

Automatic subtitle synchronization tool using deep neural networks and forced alignment, with translation support.

Link

srt-to-vtt-clSmall CLI tool converting SRT subtitle files to WebVTT format.
Normalize-AudioBatch EBU R128 loudness normalization tool for MKV files via ffmpeg, preserves video stream and caches loudness analysis.
subsrtNode.js library and CLI converting between subtitle formats: srt, sbv, vtt, lrc, smi, ssa, ass, json.
YTSubConverterConverts subtitles between .ass/.sbv/.srt/.srv3/.ytt formats while preserving YouTube-style caption styling.
subtitle-translatorBatch subtitle translation tool supporting .srt/.ass/.vtt/.lrc formats with 17+ LLM providers, bundled format conversion, actively maintain…
nr-vqa-consumervideoNo-reference video quality metric tuned for consumer video capture artifacts (sensor noise, motion blur, shake) rather than compression art…
aws-batch-with-FFmpegReference architecture running FFmpeg containers (ARM64/x86-64/NVIDIA/Xilinx) on AWS Batch with Spot compute environments and SDK/REST job…
ffmpeg-queueFastify + Redis job queue for dispatching FFmpeg transcoding jobs, Docker Compose ready, production-used.
PXNR No-Reference Video Quality EstimationEricsson's sample implementation of the ITU-T P.NATS phase 2 no-reference video quality estimation module.
fssimu2Zig implementation of SSIMULACRA2 metric, ~23% faster and ~40% less memory than the reference implementation.