> Canonical URL: https://codingcat.dev/course/faster-whisper-word-level-captions # faster-whisper on Local GPU: Word-Level Captions & Mascot Lip-Sync | CodingCat.dev Course 🧶 CodingCat.dev Course5 Lessons[â–¶ Watch Course Playlist on YouTube ↗](https://www.youtube.com/@codingcatdev/playlists?sub_confirmation=1)[Start Course →](/course/faster-whisper-word-level-captions/lesson/faster-whisper-word-level-captions-lesson-1-ctranslate2) # faster-whisper on Local GPU: Word-Level Captions & Mascot Lip-Sync ![CodingCat.dev tutorial cover image](https://cdn.sanity.io/images/hfh83o0w/production/b7aa9ccfbc3dff09e75d72ca2248756fe292d072-1376x768.png?w=1376&q=82&fit=max&auto=format)[![Alex Patterson](https://cdn.sanity.io/media-libraries/mlttp0BZbCpV/images/a606dfaa381aab08ddbe16a33fe1d3e1fb37c927-400x400.jpg?w=96&h=96&q=82&fit=max&auto=format)Alex Patterson](/author/alex-patterson) ## Course Architecture Overview Run SYSTRAN/faster-whisper with CTranslate2 FP16/INT8 on your GPU to generate millisecond-accurate SRT captions, karaoke highlights, and AJ mouth viseme timelines. > Primary Open-Source Repository: github.com/SYSTRAN/faster-whisper ## course lessons. 1 ### Core Architecture & Deterministic Implementation - [1.1Lesson 1: Why CTranslate2 (`faster-whisper`) Is 4x Faster with Half the VRAMWelcome to Lesson 1 of faster-whisper on Local GPU: Word-Level Captions & Mascot Lip-Sync on CodingCat.dev. Today we break down Why CTranslate2 (`faster-whisper`) Is 4x Faster with Half the VRAM and see how it powers our deterministic 3D AJ and code-rendered video pipeline.![](/logos/tags/video-symbol-light.svg)![](/logos/tags/video-symbol-dark.svg)Videođź“– Written LessonStart Lesson →](/course/faster-whisper-word-level-captions/lesson/faster-whisper-word-level-captions-lesson-1-ctranslate2) - [1.2Lesson 2: Extracting Word-Level Timestamps & Filtering Hallucinated SilenceWelcome to Lesson 2 of faster-whisper on Local GPU: Word-Level Captions & Mascot Lip-Sync on CodingCat.dev. Today we break down Extracting Word-Level Timestamps & Filtering Hallucinated Silence and see how it powers our deterministic 3D AJ and code-rendered video pipeline.![](/logos/tags/video-symbol-light.svg)![](/logos/tags/video-symbol-dark.svg)Videođź“– Written LessonStart Lesson →](/course/faster-whisper-word-level-captions/lesson/faster-whisper-word-level-captions-lesson-2-word-clock) - [1.3Lesson 3: Generating Dynamic SRT/VTT Captions & Active-Word Highlight JSONWelcome to Lesson 3 of faster-whisper on Local GPU: Word-Level Captions & Mascot Lip-Sync on CodingCat.dev. Today we break down Generating Dynamic SRT/VTT Captions & Active-Word Highlight JSON and see how it powers our deterministic 3D AJ and code-rendered video pipeline.![](/logos/tags/video-symbol-light.svg)![](/logos/tags/video-symbol-dark.svg)Videođź“– Written LessonStart Lesson →](/course/faster-whisper-word-level-captions/lesson/faster-whisper-word-level-captions-lesson-3-srt-json) - [1.4Lesson 4: Mapping Spoken Syllables to AJ's 4 Mouth Visemes (`smile-open`, `talking`, `surprised-o`, `grin`)Welcome to Lesson 4 of faster-whisper on Local GPU: Word-Level Captions & Mascot Lip-Sync on CodingCat.dev. Today we break down Mapping Spoken Syllables to AJ's 4 Mouth Visemes (`smile-open`, `talking`, `surprised-o`, `grin`) and see how it powers our deterministic 3D AJ and code-rendered video pipeline.![](/logos/tags/video-symbol-light.svg)![](/logos/tags/video-symbol-dark.svg)Videođź“– Written LessonStart Lesson →](/course/faster-whisper-word-level-captions/lesson/faster-whisper-word-level-captions-lesson-4-4-visemes) - [1.5Lesson 5: Locking Scene Cuts & Diagram Arrows to Spoken Keyword TimestampsWelcome to Lesson 5 of faster-whisper on Local GPU: Word-Level Captions & Mascot Lip-Sync on CodingCat.dev. Today we break down Locking Scene Cuts & Diagram Arrows to Spoken Keyword Timestamps and see how it powers our deterministic 3D AJ and code-rendered video pipeline.![](/logos/tags/video-symbol-light.svg)![](/logos/tags/video-symbol-dark.svg)Videođź“– Written LessonStart Lesson →](/course/faster-whisper-word-level-captions/lesson/faster-whisper-word-level-captions-lesson-5-keyword-cut) ✏️ Visual Architecture Diagram ## how this course connects together. Follow AJ from first principles to production-ready architecture. Let’s build it!✏️ Visual Diagram: faster-whisper on Local GPU: Word-Level Captions…✓ Good PatternVISUAL DIAGRAM[Diagram Walkthrough]Step-by-step diagram breakdown for faster-whisper on Local GPU: Word-Level Captions & Mascot Lip-Sync: start with Core Architecture & Deterministic Implementation, implement Hands-On Implementation, and ship to production.AAA Contrast Verified ## related deep dives. [View All→](/blog)[![Flagship 4: Local GPU Audio & Diffusion Pipelines with Chatterbox, faster-whisper & ComfyUI](https://cdn.sanity.io/images/hfh83o0w/production/d30437e463fc0c98b9c22ac23403a5d7dc844472-1376x768.png?w=1376&q=82&fit=max&auto=format)](/course/local-gpu-audio-diffusion-chatterbox-faster-whisper-comfyui)November 4, 2026[![](/logos/tags/nodejs-symbol-light.svg)![](/logos/tags/nodejs-symbol-dark.svg)Node.js](/topic/nodejs) ### [Flagship 4: Local GPU Audio & Diffusion Pipelines with Chatterbox, faster-whisper & ComfyUI](/course/local-gpu-audio-diffusion-chatterbox-faster-whisper-comfyui) Eliminate per-minute cloud API bills by running expressive zero-shot TTS (Chatterbox), sub-20ms word alignment (faster-whisper), and multi-view character generation (ComfyUI) on your own GPU. [![Alex Patterson](https://cdn.sanity.io/media-libraries/mlttp0BZbCpV/images/a606dfaa381aab08ddbe16a33fe1d3e1fb37c927-400x400.jpg?w=96&h=96&q=82&fit=max&auto=format)Alex Patterson](/author/alex-patterson)[![ComfyUI in Production: 3D Mascot Turnarounds & Generate-Then-Trace](https://cdn.sanity.io/images/hfh83o0w/production/99affe710b29a17d96ec85623e92bfb6d25b9214-1376x768.png?w=1376&q=82&fit=max&auto=format)](/course/comfyui-3d-turnarounds-video-workflows)November 4, 2026 ### [ComfyUI in Production: 3D Mascot Turnarounds & Generate-Then-Trace](/course/comfyui-3d-turnarounds-video-workflows) Run reproducible node-based diffusion graphs on your local GPU with ComfyUI. Generate multi-angle character sheets for 3D AJ and base physics plates for generate-then-trace. [![Alex Patterson](https://cdn.sanity.io/media-libraries/mlttp0BZbCpV/images/a606dfaa381aab08ddbe16a33fe1d3e1fb37c927-400x400.jpg?w=96&h=96&q=82&fit=max&auto=format)Alex Patterson](/author/alex-patterson)