Web Video Text Tracks Format (WebVTT)

Web Video Text Tracks Format (WebVTT) is a format for displaying timed text tracks (such as subtitles or captions) using the track element.

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Normalize-AudioBatch EBU R128 loudness normalization tool for MKV files via ffmpeg, preserves video stream and caches loudness analysis.
SubalignerAutomatic subtitle synchronization tool using deep neural networks and forced alignment, with translation support.
spectreGo audio fingerprinting library built specifically for syncing movie subtitles to audio tracks.
whisper-subtitlesAccessibility-focused local subtitle generation using Whisper+OpenVINO, targeting hearing-impaired users across 99 languages.
Eyevinn auto-subtitlesWhisper-based automatic subtitle generation tool that chunks large audio and outputs VTT/SRT/JSON while preserving sync.
Evaluating Video Quality Metrics for Neural and Traditional Codecs (4K/UHD-1)Academic comparison of VMAF, AVQBits, and FasterVQA no-reference quality metrics on 4K content.
Bitrate Ladder Construction via Transfer Learning and Spatio-Temporal FeaturesML-based bitrate ladder optimization achieving 94.1% complexity reduction at only 1.71% BD-rate cost using transfer learning.
VMAF-torchPyTorch reimplementation of VMAF metric, GPU/gradient-friendly for use in learned codec optimization loops.
CompressedVQA: Full/No-Reference VQA for Compressed UGC VideoICME 2021 grand challenge-winning full-reference and no-reference video quality models for compressed user-generated content.
2BiVQA: Double Bi-LSTM No-Reference Video Quality AssessmentNo-reference VQA model for UGC video using double Bi-LSTM, companion code to arXiv:2208.14774.