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How to turn local meeting audio and lecture video into notes with By2 KB

Ingest an mp3 or mp4 file from disk and produce the same three Markdown artifacts.

  • Research
  • Intermediate
  • 45 minutes
  • From the README
  • Any agent

Authorization notice. By2 KB is dual-use. Only use it on software, sites and systems you own or have explicit permission to test.

Who it is forA team member or student with recorded meetings or lectures that are not hosted on Bilibili or YouTube.

The problemRecordings sit unsearched on disk, and writing study notes by hand takes hours.

The outcomeTranscript, short abstract, and long study notes for the local file, stored in the knowledge base.

What you need first

  • Python 3.12 or newer
  • pipx installed
  • ffmpeg and ffprobe available on PATH
  • Optional: Deno 2.3+ or Node.js 22+ for YouTube player challenges
  • Optional: a Hermes agent for chat-based use, or an OpenAI-compatible API key for standalone summaries

Steps

  1. Run pipx install "by2kb[asr-whisper]" for local Whisper support, or add the youtube extra if needed. (inferred, check the README)
  2. Run by2kb init --preset agent-local and by2kb models install.
  3. Confirm ffmpeg and ffprobe are on PATH, then run by2kb doctor.
  4. Run by2kb ingest ./meeting.mp3 for an audio file.
  5. Run by2kb ingest ./lecture.mp4 for a video file.

Prompt for your agent

Use the by2kb repository (github.com/Charlesmpc/by2kb) to ingest the local file <file path> into my knowledge base. Expected output: a content folder with raw, short, and long Markdown files. Verify by running by2kb doctor --json and checking that the media step succeeded.

Caveat. Local files depend on ffmpeg and ffprobe being installed, and the README does not list every supported format beyond the examples given.

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Using the Deduped MCP, get the setup steps for Charlesmpc/by2kb and "Turn local meeting audio and lecture video into notes"

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