Media Tools

About this collection

Media Tools brings together 704 curated resources from across the video technology landscape. Notable topics include AI & Machine Learning Tools, Ads & QoE, Audio & Subtitles, and Audio Analysis & Processing.

Resources (showing 649–672 of 704)

• Subs ExtractExtracts per-sentence subtitles + audio from a subtitle file + video file.
• TV Subtitle ExtractionSystem for extraction of subtitles from TV broadcasts.
• WhisperLiveKit — Real-Time Streaming Transcription and DiarizationLive captioning backend implementing Simul-Whisper AlignAtt and LocalAgreement policies with streaming speaker diarization for multi-user s…
• WhisperTimeSync — Transcript-to-Whisper Subtitle AlignerAligns an existing accurate transcript over Whisper timestamps to produce SRT with both good text and good timing.
• alass — Automatic Language-Agnostic Subtitle SynchronizationRust CLI tool for automatic subtitle sync handling offset drift, ad-break splits, and framerate differences, 88-98% good-sync rate.
• captions — Lightweight JS Caption Parser/RendererModern ~5kB JS library parsing and rendering VTT/SRT/SSA captions, with server-side support, VTT-region rollup captions, and CSS styling.
• faster-whisper — CTranslate2 Whisper ReimplementationWhisper speech recognition reimplemented on CTranslate2 for roughly 4x faster transcription with lower memory, the standard backend for cap…
• sccyouFFmpeg readeia608-based script that extracts SCC (and SRT) captions from SD line-21 video for archival workflows.
• subgen — Whisper Auto-Subtitles for Media ServersAuto-subtitle generator using Whisper (stable-ts + faster-whisper) for Jellyfin/Plex/Emby/Bazarr, CPU or CUDA.
• subsaiSubtitle generation tool with WebUI, CLI, and Python API using faster-whisper; exports srt/ass/ssa/sub/json/txt/vtt with translation suppor…
• subtitle-translatorBatch subtitle translation tool supporting .srt/.ass/.vtt/.lrc formats with 17+ LLM providers, bundled format conversion, actively maintain…
• subtpRust parser for SRT and WebVTT with round-trip parse/render of cues, comments, styles, and regions.
• whisper-subtitle-generatorCross-platform GUI for batch subtitle generation with SRT/VTT/JSON export, translation, and GPU acceleration. MIT.
• whisper-subtitlesAccessibility-focused local subtitle generation using Whisper+OpenVINO, targeting hearing-impaired users across 99 languages.
• whisperX-silero — Subtitle Generation with Silero VAD and ASS OutputWhisperX fork using Silero VAD that emits .ass subtitles with character-level timestamps and per-language alignment models.
• AVT-VQDB-UHD-1-NVCDataset and code for 4K/UHD neural-video-codec quality evaluation, comparing VMAF, AVQBits, FasterVQA, CVQA-FR, LPIPS metrics.
• Codec Wiki: XPSNR Metric GuideCommunity codec wiki page on XPSNR usage: the FFmpeg 7.0 HHI filter, (4*Y+U+V)/6 plane weighting, and the ~42 dB visually-lossless threshol…
• Collection of VMAF ResourcesA colleague asked for some resources relating to VMAF. Rather than answer in an email I thought I would create a post around it. Some of th…
• ColorVideoVDP — color spatiotemporal visible difference predictor (Cambridge Rainbow Group)Project page for ColorVideoVDP, a full-reference perceptual video quality metric modeling chromatic and spatiotemporal contrast sensitivity…
• ColorVideoVDP — reference implementationPyTorch implementation of the ColorVideoVDP full-reference metric (SIGGRAPH 2024), usable as a CLI quality tool or as a differentiable perc…
• FFMetricsWindows GUI that visualizes PSNR, SSIM, XPSNR, and VMAF computed via FFmpeg with interactive graphs and batch processing.
• FFmpeg Quality MetricsCalculate quality metrics with FFmpeg (SSIM, PSNR, VMAF)
• MSU Video Quality Measurement Tool (VQMT)MSU Graphics & Media Lab's tool suite computing dozens of full-reference and no-reference video quality metrics, with fast SSIM/MS-SSIM/VMA…
• VMAF-torchPyTorch reimplementation of VMAF metric, GPU/gradient-friendly for use in learned codec optimization loops.