自動会議要約ジェネレーター — Google Drive、OpenAI Whisper、GPT-4 をテーブルに統合

• •Google Drive API認証情報
• •Google Sheets API認証情報
• •OpenAI API Key

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      "parameters": {
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        "options": {},
        "pollTimes": {
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      "name": "ファイルダウンロード",
      "type": "n8n-nodes-base.googleDrive",
      "position": [
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      "parameters": {
        "fileId": {
          "__rl": true,
          "mode": "id",
          "value": "={{ $json.id }}"
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        "options": {},
        "operation": "download"
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              "role": "system",
              "content": "🧠 System Prompt: Meeting Summarizer & Action Item Extractor\n\nYou are an intelligent meeting assistant. Your job is to carefully listen to or read through the meeting transcript and:\n\nSummarize Key Discussion Points – Highlight the main topics discussed, decisions made, issues raised, and relevant insights. Keep it concise and organized.\n\nExtract Action Items – Identify specific tasks or follow-ups. For each action item, include:\n\nTask Description\n\nAssigned Person (if mentioned)\n\nDeadline (if mentioned)\n\nPriority (if indicated or can be inferred)\n\nUse clear formatting, such as bullet points and headings, to make the output easy to scan.\n\nTone: Professional, clear, and neutral.\nAvoid: Irrelevant chatter, filler content, or personal commentary.\nFocus on: Clarity, accuracy, and actionable information."
            },
            {
              "content": "={{ $json.text }}"
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      "parameters": {
        "date": "={{ $json.Date }}",
        "options": {},
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      "parameters": {
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            "Date": "={{ $json.formattedDate }}",
            "Meeting Summary": "={{ $('Create summary').item.json.message.content }}"
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        "content": "## Download the file \nThese two nodes are responsible for looking and downloading the uploaded file"
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        "content": "## Generate Summary \nThese two nodes are responsible for looking and downloading the uploaded file"
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        "content": "## Get date\nThese two nodes are responsible for getting and formatting date"
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        "content": "=======================================\n            WORKFLOW ASSISTANCE\n=======================================\nFor any questions or support, please contact:\n    Yaron@nofluff.online\n\nExplore more tips and tutorials here:\n   - YouTube: https://www.youtube.com/@YaronBeen/videos\n   - LinkedIn: https://www.linkedin.com/in/yaronbeen/\n=======================================\n"
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        "content": "### 🎤 Meeting Audio to Summary in Google Sheets\n\nAutomatically transcribe a meeting audio file, generate a concise summary using AI, and log it in Google Sheets. Perfect for:\n✅ Team syncs — stay aligned without rewatching recordings\n✅ Client calls — quick insight into discussions\n✅ Knowledge management — searchable summaries\n\n---\n\n### ⚙️ What's Used\n\n**n8n Nodes:**\nDrive Upload → Download File → Transcribe Recording → Create Summary → Get Date → Format Date → Append to Google Sheets\n\n**External Tools:**\n\n* **Google Drive** – Upload and host meeting recordings\n* **OpenAI / Whisper** – Audio transcription\n* **ChatGPT** – Summary generation\n* **Google Sheets** – Final summary storage\n\n---\n\n### 🔑 Setup – Credentials Needed\n\n* **Google Drive OAuth2** → To access and download files\n* **OpenAI API Key** → For transcription & summary\n* **Google Sheets OAuth2** → To append rows to the sheet\n\n---\n\n### 📝 Upload Flow\n\n**Trigger:** Upload audio file to a designated Google Drive folder\n\n**Input Format:**\n\n* **Audio Type:** MP3 / WAV / M4A\n* **File Size:** Recommended < 100MB\n* **Language:** English (default; can customize for others)\n\n---\n\n### 🚀 Workflow Steps\n\n1. **Detect File Upload:**\n   Monitor a specific Google Drive folder for new audio files\n2. **Download File:**\n   Fetch the uploaded audio file\n3. **Transcribe Audio:**\n   Use Whisper (OpenAI) to convert speech to text\n4. **Generate Summary:**\n   Pass transcript to GPT to summarize key points\n5. **Get & Format Date:**\n   Add timestamp to summary\n6. **Save Summary:**\n   Append date + summary into a Google Sheet\n\n**Sheet Example Columns:**\n`Date`, `Meeting Summary`\n\n---\n\n### 🧠 Use Cases\n\n* **Project Managers** → Share concise updates with stakeholders\n* **Sales Teams** → Summarize discovery or demo calls\n* **Consultants** → Keep track of discussions for reporting\n\n---\n\n### 💡 Pro Tips\n\n* Add speaker labels to transcript if using enhanced audio models\n* Customize the prompt to tailor summaries for specific departments (e.g., sales, product)\n* Schedule the workflow to run daily/weekly with new uploads\n\n---\n\n### 🛠️ Customize It\n\n* Use a form trigger if you want users to submit metadata with uploads\n* Add Slack integration to share summaries with the team\n* Store full transcripts alongside summaries for deeper context\n\n---\n\nThis setup gives your team an always-on assistant for meetings — listen once, never retype. Upload audio, get insight, move forward.\n"
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