Answer first
An Instagram transcript does not automatically include a product name, recipe card, subtitle sticker, or slide that nobody speaks aloud. Use speech transcription for the audio, then capture the relevant frames and run OCR on the visible text when you need a complete record.
What each method can see
- Speech transcription: spoken words, pauses, and audio timestamps.
- OCR: printed or overlaid words visible in a frame.
- Manual review: stylized fonts, low contrast, handwriting, and text hidden by motion.
A practical combined workflow
- Create a timestamped transcript from the authorized local video.
- Mark moments where the speaker refers to a label, chart, or text-only slide.
- Capture frames at those timestamps and read the visible text separately.
- Store OCR notes beside the timestamp rather than inserting them as spoken quotes.
- Review names, numbers, and brand terms against the original frame.
Do not merge the layers silently
If a word appears on screen but is never spoken, label it as on-screen text. That distinction matters for research, captions, and accessibility because a viewer should be able to tell what came from audio and what came from the image.