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Screen Video Notes

Video → scenes, OCR, and precise timestamps

A film is divided into scenes, and frames, visual patterns, and audio waves are linked into a verifiable timeline

In short

A regular transcript loses code, slides, and on-screen actions, while frame-by-frame recognition of the entire video is expensive and creates many duplicates.

Outcome

The pipeline finds scene changes, links keyframes, OCR, and speech by timestamps, and assembles a verifiable summary with pointers to the original source.

How the automation runs

Trigger

Own or authorized video for processing appears, where the visual layer is important for understanding

Automation steps

  1. Checks processing rights and creates a local working copy
  2. Finds scene changes and selects representative frames without unnecessary frame-by-frame scanning
  3. Builds transcript and OCR with timestamps and confidence scores
  4. Links notes to a specific frame and audio segment
  5. Sends low-confidence fragments for manual review and caches the result

Human check

A person verifies rights, on-screen secrets, low-confidence OCR, and code before publishing or launching; the pipeline does not distribute the original video.

Outcome

The pipeline finds scene changes, links keyframes, OCR, and speech by timestamps, and assembles a verifiable summary with pointers to the original source.

Automation diagram

The overall logic is public
Input
TriggerOwn or authorized video for processing appears, where the visual layer is important for understanding
System
Step 1Checks processing rights and creates a local working copy
System
Step 2Finds scene changes and selects representative frames without unnecessary frame-by-frame scanning
System
Step 3Builds transcript and OCR with timestamps and confidence scores
System
Step 4Links notes to a specific frame and audio segment
System
Step 5Sends low-confidence fragments for manual review and caches the result
Human
Human controlA person verifies rights, on-screen secrets, low-confidence OCR, and code before publishing or launching; the pipeline does not distribute the original video.
Outcome
Observable outcomeThe pipeline finds scene changes, links keyframes, OCR, and speech by timestamps, and assembles a verifiable summary with pointers to the original source.

Using it

When to use it

The meaning of a tutorial or demonstration lies in both speech and on-screen content, and notes must remain traceable.

How to verify

Each key statement leads to a timestamp and frame, selective OCR matches the screen, and code, after manual review, runs in an isolated environment.

Tools

ffmpegwhispervision ocrlocal storage

Recipe details

Time1–2 eveningsDifficulty3 of 5Steps5Prerequisites3
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