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 241–264 of 704)

• Video Bench — How measure your video quality easilyGuide to using automated tools for measuring and benchmarking video quality metrics in encoding workflows.
• Video Quality AssessmentEyevinn's knowledge-sharing series continues with video quality assessment, covering both subjective and objective approaches to measuring…
• VideobenchCommand-line tool for analyzing video quality using VMAF, PSNR, and bitrate measurements.
• Web Media API Snapshot (WMAS) Test SuiteTest suite verifying that browsers and TV devices implement the Web Media API Snapshot, the baseline HTML5 media capability set for streami…
• WisualWeb for Visual Quality Assessment.
• bdr-ssimu2Python/matplotlib tool computing SSIMULACRA2 BD-rate curves with average and harmonic-mean plots and temporal subsampling.
• butteraugli (Rust port)Pure Rust port of Butteraugli from libjxl with XYB color, visual masking, and multi-scale bands, validated to within 0.001% of the referenc…
• cmcd-toolkit — CMCD v2 collector & analysisCMCD v2 collector for ingesting/analyzing Common Media Client Data beacons locally or on cloud, with a dash.js beacon module.
• fast-ssim2 — SIMD Rust SSIMULACRA2Fast SIMD Rust implementation of the SSIMULACRA2 perceptual image/video quality metric.
• glass-to-glass-latency-meterOpen-source glass-to-glass latency meter using a colocated LED and sensor so no clock synchronisation between endpoints is required.
• montevideo-tech/cmcd-validatorNode library validating player CMCD (CTA-5004) in real time across queries/headers/JSON, tested against Video.js/DASH.js/Hls.js/Shaka.
• psy-ex/metricsPerceptual video metrics toolkit computing SSIMULACRA2, Butteraugli, CVVDP, weighted XPSNR, VMAF NEG, SSIM, and PSNR via helper scripts.
• ssimu2xpsnr_plotterBash tool that encodes x264/x265/SVT-AV1/VVenC across CRF values, measures XPSNR and SSIMULACRA2, and plots rate-distortion curves.
• GaupolAn open source subtitle editor for text-based subtitle files, featuring timing adjustment, translation support, and built-in video preview…
• 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.
• YTSubConverterConverts subtitles between .ass/.sbv/.srt/.srv3/.ytt formats while preserving YouTube-style caption styling.
• ffsubsyncA tool to automatically synchronize subtitles with video by analyzing audio tracks. It uses speech detection to align subtitle timing via F…
• srt-to-vtt-clSmall CLI tool converting SRT subtitle files to WebVTT format.
• subsrtNode.js library and CLI converting between subtitle formats: srt, sbv, vtt, lrc, smi, ssa, ass, json.
• AAC Audio Coding Standard - ISO/IEC 14496-3Defines the compressed audio format AAC
• Audio Loudness (Google Conversational Actions)Google developer tool for analyzing and measuring audio loudness levels in media content to meet broadcast and platform-specific audio stan…
• Audio normalization with ffmpeg using loudnorm (ebur128) filterTutorial on using FFmpeg's loudnorm filter based on EBU R128 standards to normalize and adjust audio levels in media files.
• AudioSeal — localized audio watermarkingMeta's localized sample-level audio watermarking with fast detector, robust to compression/re-encoding; MIT with weights.