Sridevi Edupuganti This workflow corresponds to n8n.io template #8639 — we link there as the canonical source.
This workflow follows the Form Trigger → Gmail recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"id": "wtRwIBJPAbnyUbe9",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "Only Onform submission_Two-Source Audio Transcription--> AI summary & Sentiment Analysis--> Gmail delivery",
"tags": [],
"nodes": [
{
"id": "45c9716a-3d65-4fdc-bdc1-8feb130ecf38",
"name": "Wait",
"type": "n8n-nodes-base.wait",
"position": [
-304,
-240
],
"parameters": {
"amount": 10
},
"typeVersion": 1.1
},
{
"id": "b1163157-dc8c-4573-a967-93a9dea55dcf",
"name": "If",
"type": "n8n-nodes-base.if",
"position": [
64,
-240
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "d49d90fa-7138-48b8-a149-7dfcc86a1dd9",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.status }}",
"rightValue": "completed"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "62aec10f-d637-4cbb-b457-f9bd7a086932",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1264,
-144
],
"parameters": {
"color": 4,
"width": 736,
"height": 432,
"content": "### Execution flow Form submission + Local file\n#### Upload an audio file \n"
},
"typeVersion": 1
},
{
"id": "8b93808e-44cb-4f86-aac7-c8ead6cca669",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-384,
-368
],
"parameters": {
"color": 2,
"width": 608,
"height": 352,
"content": "### Generate Transcript from Voice to text"
},
"typeVersion": 1
},
{
"id": "bb2672af-35a4-4e59-8654-baba7b97d624",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
256,
-368
],
"parameters": {
"color": 6,
"width": 608,
"height": 352,
"content": "### Generate summary, Sentiment Analysis and send E-mail"
},
"typeVersion": 1
},
{
"id": "ea81f226-67de-4a39-92d8-bf315845cd28",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
-992,
-96
],
"parameters": {
"color": 5,
"width": 432,
"height": 272,
"content": " ### Assembly AI\n"
},
"typeVersion": 1
},
{
"id": "d9e4b12c-80e2-480d-980d-379c751c9531",
"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
-160,
-304
],
"parameters": {
"color": 5,
"width": 192,
"height": 224,
"content": " ### Assembly AI\n"
},
"typeVersion": 1
},
{
"id": "f0d81a15-4490-47bf-8414-56c6348ec1bd",
"name": "Get Transcript",
"type": "n8n-nodes-base.httpRequest",
"position": [
-96,
-240
],
"parameters": {
"url": "=https://api.assemblyai.com/v2/transcript/{{ $json.id }}",
"options": {},
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "authorization",
"value": "<< PROVIDE YOUR ASSEMBLY API KEY >>"
},
{
"name": "Content-Type",
"value": "application/json"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "1957c1fe-7bc3-4db9-ab6e-f25daf24b5e7",
"name": "Transcript Analysis (AI)",
"type": "@n8n/n8n-nodes-langchain.openAi",
"position": [
320,
-256
],
"parameters": {
"modelId": {
"__rl": true,
"mode": "id",
"value": "={{ \"gpt-4.1-mini\" }}"
},
"options": {},
"messages": {
"values": [
{
"content": "You are a precise meeting analyst. Output must be valid JSON only."
},
{
"role": "system",
"content": "=Analyze the following transcript and return strict JSON:\n\nTranscript:\n{{ $node[\"Get Transcript\"].json[\"text\"] }}\n\nRequirements:\n- summary: 120\u2013180 words, crisp and neutral\n- sentiment_label: one of [\"Positive\",\"Neutral\",\"Negative\"]\n- sentiment_score: number from -1 to 1\n- key_points: 5\u20138 bullet points (short phrases)\n- action_items: array of {owner, task, due?} if present, else []\n- notable_quotes: array of short verbatim quotes (<=120 chars)\n- topics: 3\u20136 tags\n\nReturn JSON with keys in snake_case:\n{\n \"summary\": \"...\",\n \"sentiment_label\": \"Positive\",\n \"sentiment_score\": 0.64,\n \"key_points\": [\"...\"],\n \"action_items\": [{\"owner\":\"Alice\",\"task\":\"...\",\"due\":\"2025-09-30\"}],\n \"notable_quotes\": [\"...\"],\n \"topics\": [\"...\",\"...\"]\n}\nNo preamble or Markdown\u2014JSON only."
}
]
},
"jsonOutput": true
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.8
},
{
"id": "6c2e15bf-ee10-43b0-befc-49001a41a9e6",
"name": "Send Analysis Email",
"type": "n8n-nodes-base.gmail",
"position": [
512,
-256
],
"parameters": {
"sendTo": "=<< PROVIDE YOUR GMAIL ID >>",
"message": "={{\n(() => {\n const d = $node[\"Transcript Analysis (AI)\"].json.message.content;\n\n const row = (label, value, i) =>\n `<tr style=\"background-color:${i % 2 === 0 ? '#f9f9f9' : '#ffffff'};\">\n <td style=\"padding:12px 16px;border:1px solid #ccc;font-weight:bold;width:220px;background:#f2f2f2;\">${label}</td>\n <td style=\"padding:12px 16px;border:1px solid #ccc;\">${value || ''}</td>\n </tr>`;\n\n const ul = arr => `<ul style=\"margin:0;padding-left:22px;\">${(arr || []).map(x => `<li>${x}</li>`).join('')}</ul>`;\n\n const actions = (d.action_items || []).length\n ? `<ol style=\"margin:0;padding-left:22px;\">${d.action_items.map(a =>\n `<li><strong>${a.owner || '\u2014'}</strong>: ${a.task || ''}${a.due ? ' (Due: ' + a.due + ')' : ''}</li>`\n ).join('')}</ol>`\n : \"No explicit action items detected.\";\n\n let html = `\n <div style=\"font-family:Arial,sans-serif;font-size:16px;line-height:1.5;\">\n <h2 style=\"color:#2c3e50;border-bottom:2px solid #2c3e50;padding-bottom:6px;margin-bottom:12px;\">Transcript Analysis</h2>\n <table style=\"border-collapse:collapse;border:1px solid #ccc;width:100%;font-size:16px;\">\n <thead>\n <tr style=\"background:#2c3e50;color:#ffffff;\">\n <th style=\"padding:12px 16px;text-align:left;width:220px;\">Section</th>\n <th style=\"padding:12px 16px;text-align:left;\">Details</th>\n </tr>\n </thead>\n <tbody>\n ${row(\"Executive Summary\", d.summary, 0)}\n ${row(\"Sentiment\", `<strong>Label:</strong> ${d.sentiment_label || ''}<br/><strong>Score:</strong> ${d.sentiment_score ?? ''}`, 1)}\n ${row(\"Key Points\", ul(d.key_points), 2)}\n ${row(\"Action Items\", actions, 3)}\n ${row(\"Notable Quotes\", ul(d.notable_quotes), 4)}\n ${row(\"Topics\", (d.topics || []).join(\", \"), 5)}\n </tbody>\n </table>\n </div>\n `;\n\n return html;\n})()\n}}\n",
"options": {},
"subject": "=Transcript summary & sentiment \u2013 \n {{ $now.toISO() }} \n"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.1
},
{
"id": "19968c49-4e8b-41e4-89f6-54460867dbff",
"name": "Sticky Note7",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1248,
-720
],
"parameters": {
"color": 3,
"width": 736,
"height": 528,
"content": "### Execution flow Form submission + Google Drive link\n#### Receive Google Drive Link "
},
"typeVersion": 1
},
{
"id": "65a9f81c-f35a-445e-89d4-17388693fbef",
"name": "Sticky Note8",
"type": "n8n-nodes-base.stickyNote",
"position": [
-992,
-448
],
"parameters": {
"color": 5,
"width": 448,
"height": 240,
"content": " ### Assembly AI\n"
},
"typeVersion": 1
},
{
"id": "30f56c7f-ede6-4037-bce3-a5c43227e28f",
"name": "The End",
"type": "n8n-nodes-base.noOp",
"position": [
704,
-256
],
"parameters": {},
"typeVersion": 1
},
{
"id": "00ade2c9-7a3e-4e92-abff-342c71c0bc8f",
"name": "Extract File ID from Link",
"type": "n8n-nodes-base.code",
"position": [
-1040,
-592
],
"parameters": {
"jsCode": "const link =\n $json['Provide the URL/Link of the audio file'] ||\n $json.drive_link ||\n '';\n\nconst m = link.match(/(?:\\/d\\/|id=)([A-Za-z0-9_-]{20,})/);\nif (!m) {\n throw new Error('Could not extract Google Drive file ID from the form field.');\n}\n\nreturn [{ fileId: m[1] }];\n"
},
"typeVersion": 2
},
{
"id": "9b86268c-57e6-4778-981b-f55d587be75d",
"name": "Fetch File from Google Drive",
"type": "n8n-nodes-base.googleDrive",
"position": [
-784,
-592
],
"parameters": {
"fileId": {
"__rl": true,
"mode": "id",
"value": "={{ $json.fileId }}"
},
"options": {
"binaryPropertyName": "file"
},
"operation": "download"
},
"credentials": {
"googleDriveOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 3
},
{
"id": "504cfac0-19d2-4d0a-b7e8-97be9f450212",
"name": "Upload File to AssemblyAI",
"type": "n8n-nodes-base.httpRequest",
"position": [
-928,
-368
],
"parameters": {
"url": "https://api.assemblyai.com/v2/upload",
"method": "POST",
"options": {},
"sendBody": true,
"contentType": "binaryData",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "authorization",
"value": "<< PROVIDE YOUR ASSEMBLY API KEY >>"
}
]
},
"inputDataFieldName": "file"
},
"typeVersion": 4.2
},
{
"id": "2b514d7f-49b2-4e82-aaa9-6ead8b7154bf",
"name": "Upload Audio file to Assembly AI1",
"type": "n8n-nodes-base.httpRequest",
"position": [
-944,
-64
],
"parameters": {
"url": "https://api.assemblyai.com/v2/upload",
"method": "POST",
"options": {},
"sendBody": true,
"contentType": "binaryData",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "authorization",
"value": "<< PROVIDE YOUR ASSEMBLY API KEY >>"
},
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"inputDataFieldName": "Upload_file"
},
"typeVersion": 4.2
},
{
"id": "25c8cc0e-f416-4d3b-b0e6-e96388cff8e8",
"name": "Request Transcript from AssemblyAI",
"type": "n8n-nodes-base.httpRequest",
"position": [
-688,
-368
],
"parameters": {
"url": "https://api.assemblyai.com/v2/transcript",
"method": "POST",
"options": {},
"jsonBody": "={\n \"audio_url\": \"{{$json.upload_url}}\",\n \"speaker_labels\": false,\n \"auto_highlights\": true,\n \"punctuate\": true\n}\n",
"sendBody": true,
"sendHeaders": true,
"specifyBody": "json",
"headerParameters": {
"parameters": [
{
"name": "authorization",
"value": "<< PROVIDE YOUR ASSEMBLY API KEY >>"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "78b5a8c9-8f58-41c1-bcee-b149a183d1c0",
"name": "Request Transcript from AssemblyAI1",
"type": "n8n-nodes-base.httpRequest",
"position": [
-704,
-64
],
"parameters": {
"url": "https://api.assemblyai.com/v2/transcript",
"method": "POST",
"options": {},
"sendBody": true,
"sendHeaders": true,
"bodyParameters": {
"parameters": [
{
"name": "audio_url",
"value": "={{ $json.upload_url }}"
}
]
},
"headerParameters": {
"parameters": [
{
"name": "authorization",
"value": "<< PROVIDE YOUR ASSEMBLY API KEY >>"
},
{
"name": "Content-Type",
"value": "application/json"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "9fac3888-e100-4d1c-8af7-9764a930177f",
"name": "Audio_on form submission",
"type": "n8n-nodes-base.formTrigger",
"position": [
-1232,
-592
],
"parameters": {
"options": {},
"formTitle": "Upload your Audio file",
"formFields": {
"values": [
{
"fieldLabel": "Name of the Audio file",
"requiredField": true
},
{
"fieldLabel": "Provide the URL/Link of the audio file",
"requiredField": true
},
{
"fieldType": "email",
"fieldLabel": "E-mail",
"placeholder": "user@example.com",
"requiredField": true
}
]
},
"formDescription": "The audio file will be transcribed, Analysed and summarised. "
},
"typeVersion": 2.3
},
{
"id": "6faa3fbf-269b-4bd3-9ff3-633ba4e88603",
"name": "Audio_on form submission1",
"type": "n8n-nodes-base.formTrigger",
"position": [
-1216,
48
],
"parameters": {
"options": {},
"formTitle": "Upload your Audio file",
"formFields": {
"values": [
{
"fieldLabel": "Name of the Audio file",
"requiredField": true
},
{
"fieldType": "file",
"fieldLabel": "Upload file",
"requiredField": true,
"acceptFileTypes": "e.g .MP4"
},
{
"fieldType": "email",
"fieldLabel": "E-mail",
"placeholder": "user@example.com",
"requiredField": true
}
]
},
"formDescription": "The audio file will be transcribed, Analysed and summarised. "
},
"typeVersion": 2.3
},
{
"id": "28b5a48c-2a91-4583-bd8a-aae180890768",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-2016,
-752
],
"parameters": {
"width": 656,
"height": 1200,
"content": "# Try It Out!\n\nThis n8n template demonstrates how to use AI to transform audio files into **actionable insights**. \nIt supports both **local file uploads** and **Google Drive links**. \n\n## How it works\n\n- Users upload an audio file **via form** or provide a **Google Drive link** \n- Files are passed to **AssemblyAI** for transcription \n- AssemblyAI converts audio \u2192 text with punctuation and highlights \n- A loop with **Wait + If** ensures the transcript is ready before moving forward \n- Transcript text is passed to **OpenAI** (via n8n LangChain) \n- OpenAI generates a **structured summary** including: \n - Executive summary \n - Sentiment label + score \n - Key points and highlights \n - Action items (if detected) \n - Notable quotes \n - Topics \n- The AI output is formatted into a **rich HTML email** \n- Gmail node sends the email to the provided recipient \n- The workflow ends with a clean, structured delivery \n\n---\n\n## How to use\n\n- Replace the **manual trigger** with your own (e.g., webhook or form submission) \n- Provide either a **local audio file** or a **Google Drive link** \n- Ensure AssemblyAI and Gmail credentials are set in n8n \n- Run the workflow end-to-end to generate insights \n- Check your email inbox for the **analysis report** \n- Use it for meetings, lectures, or podcasts instantly \n\n---\n\n## Requirements\n\n- n8n instance with HTTP + Gmail integration \n- **AssemblyAI account** for transcription \n- **OpenAI account** (or equivalent LLM integration) for analysis \n- Google Drive (optional, if using Drive links) \n\n---\n\n## Need Help?\n\n- Join the [n8n Forum](https://community.n8n.io) \n- Or connect with the n8n Discord community \n\nHappyAutomating !!! \n"
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "719df1dc-95af-42bb-9cca-3a83b2f4b6b6",
"connections": {
"If": {
"main": [
[
{
"node": "Transcript Analysis (AI)",
"type": "main",
"index": 0
}
],
[
{
"node": "Wait",
"type": "main",
"index": 0
}
]
]
},
"Wait": {
"main": [
[
{
"node": "Get Transcript",
"type": "main",
"index": 0
}
]
]
},
"Get Transcript": {
"main": [
[
{
"node": "If",
"type": "main",
"index": 0
}
]
]
},
"Send Analysis Email": {
"main": [
[
{
"node": "The End",
"type": "main",
"index": 0
}
]
]
},
"Audio_on form submission": {
"main": [
[
{
"node": "Extract File ID from Link",
"type": "main",
"index": 0
}
]
]
},
"Transcript Analysis (AI)": {
"main": [
[
{
"node": "Send Analysis Email",
"type": "main",
"index": 0
}
]
]
},
"Audio_on form submission1": {
"main": [
[
{
"node": "Upload Audio file to Assembly AI1",
"type": "main",
"index": 0
}
]
]
},
"Extract File ID from Link": {
"main": [
[
{
"node": "Fetch File from Google Drive",
"type": "main",
"index": 0
}
]
]
},
"Upload File to AssemblyAI": {
"main": [
[
{
"node": "Request Transcript from AssemblyAI",
"type": "main",
"index": 0
}
]
]
},
"Fetch File from Google Drive": {
"main": [
[
{
"node": "Upload File to AssemblyAI",
"type": "main",
"index": 0
}
]
]
},
"Upload Audio file to Assembly AI1": {
"main": [
[
{
"node": "Request Transcript from AssemblyAI1",
"type": "main",
"index": 0
}
]
]
},
"Request Transcript from AssemblyAI": {
"main": [
[
{
"node": "Wait",
"type": "main",
"index": 0
}
]
]
},
"Request Transcript from AssemblyAI1": {
"main": [
[
{
"node": "Wait",
"type": "main",
"index": 0
}
]
]
}
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
gmailOAuth2googleDriveOAuth2ApiopenAiApi
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About this workflow
This workflow enables seamless speech-to-text transcription, AI-powered summarization, sentiment analysis, and automated email delivery. It supports two different input modes: Form Upload (Local File) Form Submission (Google Drive Link) Input Form 1: Upload an audio file (e.g.,…
Source: https://n8n.io/workflows/8639/ — original creator credit. Request a take-down →
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