# Auto-generating Synced Diagram Overlays for Technical Videos

DevFeed: [Auto-generating Synced Diagram Overlays for Technical Videos](<https://devfeed.tech/articles/auto-generating-synced-diagram-overlays-for-technical-videos-39644.md>)

Original publisher: [Read original article](<https://www.gauravsarma.com/posts/2026-02-24_auto-generating-synced-diagram-overlays>)

Published: 2026-02-24T00:00:00Z

Content type: tutorial

Language: en

Sources: [Gaurav Sarma's Blog](<https://devfeed.tech/sources/gaurav-sarma-s-blog.md>)

Topics: [Development](<https://devfeed.tech/topics/development.md>), [FFmpeg (Fast Forward Moving Picture Experts Group)](<https://devfeed.tech/topics/ffmpeg.md>), [Whisper](<https://devfeed.tech/topics/whisper.md>), [Python](<https://devfeed.tech/topics/python.md>), [Claude](<https://devfeed.tech/topics/claude.md>)

Tags: [architecture](<https://devfeed.tech/tags/architecture.md>), [claude](<https://devfeed.tech/tags/claude.md>), [code](<https://devfeed.tech/tags/code.md>), [ffmpeg](<https://devfeed.tech/tags/ffmpeg.md>), [pipeline](<https://devfeed.tech/tags/pipeline.md>), [python](<https://devfeed.tech/tags/python.md>), [sync](<https://devfeed.tech/tags/sync.md>), [technical](<https://devfeed.tech/tags/technical.md>), [whisper](<https://devfeed.tech/tags/whisper.md>)

## AI overview

This article describes technify-motions, a local Python pipeline that adds animated diagrams, flowcharts, summaries, and code snippets to technical videos in sync with the transcript. It covers audio extraction with FFmpeg, local transcription with faster-whisper, and scene classification using Claude.

## Source excerpt

. [Auto-generating Synced Diagram Overlays](auto-generating-synced-diagram-overlays-cover...