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 289–312 of 704)

• normalizing AudioEducational resource explaining audio normalization techniques for adjusting audio levels to consistent volumes across digital media.
• opus-toolsXiph's official CLI tools for encoding, inspecting, and decoding Opus audio (opusenc, opusdec, opusinfo).
• pyAudioAnalysis — Python Audio Analysis LibraryPython library for audio segmentation, silence removal via dynamic thresholding, spectral features, and classification.
• pyloudnormPure-Python loudness measurement and normalization library with no FFmpeg dependency.
• AegisubA free, cross-platform open source tool for creating and modifying subtitles (advanced subtitle editor supporting ASS/SSA formats).
• AutoSubtitle — Whisper subtitle GUI with burn-inPyQt5 GUI that generates bilingual subtitles using faster-whisper and Silero VAD with LLM translation and FFmpeg burn-in/hardcode.
• CCExtractorDe-facto standard open-source tool for extracting CEA-608/708 closed captions and subtitles from media files and streams.
• CEA-608/708 Closed Captioning StandardsThe EIA-608 and EIA-708 standards define how closed captions are encoded in analog and digital television signals in the US. They are cruci…
• Caption InspectorCaption Inspector is a reference decoder for Closed Captions (CEA-608 and CEA-708).
• Ccextractor (GitHub)CCExtractor - Official version maintained by the core team
• Cea608 JSA JavaScript project designed to extract CEA-608 captions.
• Closed Captioning and Subtitling Products - MacCaption and CaptionMaker Overview - TelestreamTelestream Closed Captioning: MacCaption and CaptionMaker allow you to easily author, edit, create subtitles, and encode and repurpose vide…
• DVB captions in media convert** If your output captions are DVB-Sub, set them up in your outputs according to the following information.
• EBU-TT Live Interoperability ToolkitToolkit for implementing and testing EBU-TT Live, a subtitle standard used for live broadcast streaming across multiple platforms.
• Extract SubtitleTool to extract embedded subtitle tracks from video files for separate processing or storage.
• IMSC 1.0.1 Text test contentGitHub repository containing test content files for validating IMSC 1.0.1 text-based subtitle implementations.
• IMSC 1.1 Image test contentGitHub repository containing test content files for validating IMSC 1.1 image-based subtitle implementations.
• IMSC 1.1 Text test contentGitHub repository containing test content files for validating IMSC 1.1 text-based subtitle implementations.
• IMSC HRM validatorValidator for the IMSC Hypothetical Render Model (HRM), which constrains TTML document complexity
• IMSC SpecificationW3C technical specification defining the IMSC 1.1 standard for timed text markup language used in subtitle and caption formatting.
• IMSC validatorOnline validation tool for checking compliance of subtitle files with the IMSC (TTML Profiles for Internet Media Subtitles and Captions) sp…
• LibcaptionFree open-source CEA608 / CEA708 closed-caption encoder/decoder
• LibgosubsA library for parsing and manipulating subtitle files in various formats for processing and conversion.
• Live Streaming with Automated Multi-Language Subtitling (AWS Labs)Reference architecture chaining MediaLive → Lambda@Edge (WebVTT injection) → MediaPackage with Transcribe Streaming + Translate for live mu…