segment_transcript_by_topic

🧠 Segment Transcript by Topic

This Python tool accepts a video or audio file, transcribes it using OpenAI Whisper, embeds transcript segments using SentenceTransformers, and clusters them by topic using HDBSCAN.

🔧 Features

• Automatic speech transcription (Whisper)
• Sentence segmentation
• Embedding via SentenceTransformers
• Clustering via HDBSCAN
• Topic summary generation (optional)

🏁 Quickstart

# Install deps
pip install -r requirements.txt

# Run segmentation
python segment_transcript.py --input examples/sample_video.mp4 --output segments.json

📂 Output Format

[
  {
    "topic_id": 0,
    "start": 12.3,
    "end": 54.6,
    "text": "Discussion about industry challenges..."
  },
  ...
]