G3 · Design NotebookLM G3 · 设计 NotebookLM
Verified source经核实出处
NotebookLM is a Google public product (notebooklm.google). Interview reports on Blind 2025. Credibility B.
Key decisions关键决策
- **Hybrid strategy**: small notebooks fit full context (Gemini 2 M); large use chunked RAG.**混合策略**：小 notebook 直接塞全文；大的用 chunk-RAG。
- **Forced citation** to spans: model emits offsets; UI renders inline click-through.**强制引用到片段**：模型输出偏移；UI 内联点击跳转。
- **Audio overview**: a separate TTS pipeline generates 2-speaker podcasts.**音频概览**：独立 TTS 流水线生成双主持播客。
- **Source-only grounding**: off-source claims disabled by system prompt + classifier.**仅引用源**：系统提示 + 分类器阻止脱源。
Follow-ups追问
- Privacy? per-notebook tenancy, no training on user data.隐私？每 notebook 租户隔离；不用于训练。