🎙️ VoiceScribe AI: Automatische Transkription von Telegram-Audio-Nachrichten mit OpenAI Whisper

• •Telegram Bot Token
• •Google Drive API-Anmeldedaten
• •Google Sheets API-Anmeldedaten
• •OpenAI API Key

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  "name": "🎙️ VoiceScribe AI: Telegram Audio Message Auto Transcription with OpenAI Whisper",
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    {
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      "name": "Telegram",
      "createdAt": "2025-08-05T06:23:21.764Z",
      "updatedAt": "2025-08-05T06:23:21.764Z"
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        "text": "=Sorry, I can’t read your input right now.\nPlease send me a voice message, and I’ll help you transcribe and track it! 🎙️💬",
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        "content": "# 🎙️ VoiceScribe AI: Telegram Audio Message Auto Transcription with OpenAI Whisper\n> Automatically transcribe Telegram voice messages and store them as structured logs in Google Sheets, while backing up the audio in Google Drive.\n\n## 🧑‍💼 Who’s it for\n\n- Journalists, content creators, or busy professionals who often record voice memos or short interviews on the go.\n- Anyone who wants to turn voice recordings into searchable, structured notes.\n\n## ⚙️ How it works / What it does\n\n1. User sends a voice message to a Telegram bot.\n2. n8n checks if the message is an audio voice note.\n3. If valid, it downloads the audio file and:\n   - Transcribes it using OpenAI Whisper (or your LLM of choice).\n   - Uploads the original audio to Google Drive for safekeeping.\n4. The transcript and audio metadata are merged.\n5. The workflow:\n   - Logs the data into a Google Sheet.\n   - Sends a formatted confirmation message to the user via Telegram.\n\nIf the input is not audio, the bot politely informs the user that only voice messages are accepted.\n\n## ✅ Features\n\n- Accepts only Telegram voice messages.\n- Transcribes via OpenAI Whisper.\n- Logs DateTime, Duration, Transcript, and Audio URL to Google Sheets.\n- Sends user feedback message via Telegram with download + transcript link.\n\n## 🚀 How to set up\n### Prerequisites\n\n- Telegram Bot connected to n8n (via Telegram Trigger)\n- Google Drive & Google Sheets credentials configured\n- OpenAI or Whisper API credentials (for transcription)\n\n### Steps\n\n1. **Telegram Trigger**  \n   Start the flow when a new message is sent to your bot.\n2. **Check Message Type**  \n   Use a conditional node to confirm it's a voice message.\n3. **Download Voice Message**  \n   Download the `.oga` file from Telegram.\n4. **Transcribe Audio**  \n   Send the binary audio to OpenAI Whisper or your transcription service.\n5. **Upload to Google Drive**  \n   Backup the original audio file.\n6. **Merge Outputs**  \n   Combine transcription with Drive metadata.\n7. **Transform to Row Format**  \n   Prepare structured JSON for Google Sheets.\n8. **Append to Google Sheet**  \n   Store the transcript log (DateTime, Duration, Transcript, AudioURL).\n9. **Send Confirmation to User**  \n   Inform the user via Telegram with their transcript and download link.\n10. **Unsupported Message Handler**  \n    Reply to users who send non-audio messages.\n\n## 📄 Example Output in Google Sheet\n\n| DateTime              | Duration | Transcript                                | AudioURL                                                   |\n|-----------------------|----------|--------------------------------------------|------------------------------------------------------------|\n| 2025-08-07T13:12:19Z  | 27       | Dự án Outlet Activation là...              | https://drive.google.com/uc?id=xxxx&export=download        |\n\n## 🧠 How to customize the workflow\n\n- Swap Whisper with Deepgram, AssemblyAI, or other providers.\n- Add speaker name detection or prompt-based tagging via GPT.\n- Route transcripts into Notion, Airtable, or CRM systems.\n- Add multi-language support or summarization steps.\n\n## 📦 Requirements\n\n| Component            | Required |\n|---------------------|----------|\n| Telegram API        | ✅       |\n| Google Drive API    | ✅       |\n| Google Sheets API   | ✅       |\n| OpenAI Whisper API  | ✅       |\n| n8n Cloud or Self-hosted | ✅   |\n\nCreated with ❤️ using [n8n](https://n8n.io)"
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        "content": "![Alt text](https://wisestackai.s3.ap-southeast-1.amazonaws.com/Screenshot+2025-08-07+at+2.19.15%E2%80%AFPM.png \"Optional title\")"
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        "content": "### 1. 📩 Telegram Trigger  \n**Description**: Listens for incoming messages from the user via the connected Telegram bot. This is the entry point of the workflow."
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        "content": "### 2. Is Audio Message?  \n**Description**: Checks whether the incoming Telegram message is a audio message. If not, the workflow routes to an \"unsupported message type\" handler."
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        "content": "### 3.1. Download audio message and transcript with OpenAI\n Send the binary audio to OpenAI Whisper or your transcription service."
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        "content": "### 4.1. Inform user via telegram\nSend friendly message to user with audio download URL\n"
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        "content": "### 4.2 Transform & log expense\n- Transform the Output to Audio Record  \n- Log Audio Record to Google Sheet  \n\n"
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        "text": "=✅ Voice Transcription Complete\n\nYour voice recording (⏱️ {{ $json.Duration }} seconds, recorded at {{ $json.DateTime }}) has been successfully transcribed and securely stored.\n\n📎 Original audio stored here: {{ $json.AudioURL }}\n\nThank you for using VoiceScribe AI! 🎙️",
        "chatId": "={{ $json.ChatID }}",
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          "schema": [],
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          "attemptToConvertTypes": false,
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        "jsCode": "const inputs = $input.all();\n\n// Assumes: \n// inputs[0] = transcript\n// inputs[1] = drive metadata\n\nconst transcriptData = inputs[0].json;\nconst driveData = inputs[1].json;\n\nconst result = {\n  DateTime: driveData.createdTime || '',\n  Duration: transcriptData.usage?.seconds || '',\n  Transcript: transcriptData.text || '',\n  AudioURL: driveData.webContentLink || '',\n  ChatID: $('Telegram Voice Message Trigger').first().json.message.chat.id\n};\n\nreturn [{ json: result }];"
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