AutomationFlowsAI & RAG › Create .srt Subtitles & .lrc Lyrics From Audio with Whisper AI and Gpt-5-nano

Create .srt Subtitles & .lrc Lyrics From Audio with Whisper AI and Gpt-5-nano

ByVáclav Čikl @venca on n8n.io

This workflow automates the entire process of creating professional subtitle (.SRT) and synced lyrics (.LRC) files from audio recordings. Upload your vocal track, let Whisper AI transcribe it with precise timestamps, and GPT-5-nano segments it into natural, singable lyric lines.…

Event trigger★★★★☆ complexityAI-powered18 nodesOpenAI ChatHTTP RequestForm TriggerChain Llm
AI & RAG Trigger: Event Nodes: 18 Complexity: ★★★★☆ AI nodes: yes Added:

This workflow corresponds to n8n.io template #9589 — we link there as the canonical source.

This workflow follows the Chainllm → Form Trigger 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 →

Download .json
{
  "id": "ym5RZpXRcp7ZnW8X",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "name": "LyricsTranscribe_TEMPLATE",
  "tags": [
    {
      "id": "5WzUYUnG7iVDJG7q",
      "name": "TEMPLATE",
      "createdAt": "2025-10-13T19:43:42.665Z",
      "updatedAt": "2025-10-13T19:43:42.665Z"
    }
  ],
  "nodes": [
    {
      "id": "d3f1c98a-1ff5-47ae-a68c-432355827779",
      "name": "OpenAI Chat Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        -544,
        176
      ],
      "parameters": {},
      "typeVersion": 1.2
    },
    {
      "id": "805bc1ef-55d7-4f4c-b82f-8921d7645f4e",
      "name": "WhisperTranscribe",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -704,
        0
      ],
      "parameters": {},
      "typeVersion": 4.2
    },
    {
      "id": "a4760f60-c22e-4325-abf1-4e34665b4154",
      "name": "AudioInput",
      "type": "n8n-nodes-base.formTrigger",
      "position": [
        -864,
        0
      ],
      "parameters": {},
      "typeVersion": 2.3
    },
    {
      "id": "3b4b5409-5cbf-41ec-9be0-bdf4eee690d0",
      "name": "TimestampMatching",
      "type": "n8n-nodes-base.code",
      "position": [
        -64,
        176
      ],
      "parameters": {},
      "typeVersion": 2
    },
    {
      "id": "3bdb855d-0dbb-496c-8d44-9050981a344a",
      "name": "SubtitlesPreparation",
      "type": "n8n-nodes-base.code",
      "position": [
        272,
        176
      ],
      "parameters": {},
      "typeVersion": 2
    },
    {
      "id": "5c72a572-a67b-423c-92f4-fedbb0c0dbd6",
      "name": "QualityCheck",
      "type": "n8n-nodes-base.wait",
      "position": [
        80,
        -16
      ],
      "parameters": {},
      "typeVersion": 1.1
    },
    {
      "id": "b1ac8f7e-bcb1-4732-b549-b910ec605784",
      "name": "RoutingQualityCheck",
      "type": "n8n-nodes-base.if",
      "position": [
        -240,
        0
      ],
      "parameters": {},
      "typeVersion": 2.2
    },
    {
      "id": "404c19e5-9351-4abb-aef3-900dbb7a4587",
      "name": "DiffMatch + SrcPrep",
      "type": "n8n-nodes-base.code",
      "position": [
        272,
        -16
      ],
      "parameters": {},
      "typeVersion": 2
    },
    {
      "id": "fcb24b3f-17c1-43a9-9966-bf0e542d1c4c",
      "name": "SRT",
      "type": "n8n-nodes-base.convertToFile",
      "position": [
        464,
        -16
      ],
      "parameters": {},
      "typeVersion": 1.1
    },
    {
      "id": "aa743fae-91a0-4275-a940-874399341e98",
      "name": "LRC",
      "type": "n8n-nodes-base.convertToFile",
      "position": [
        464,
        176
      ],
      "parameters": {},
      "typeVersion": 1.1
    },
    {
      "id": "6dad3945-e25a-40b9-bac0-fd2d17a1dba7",
      "name": "TranscribedLyrics",
      "type": "n8n-nodes-base.convertToFile",
      "position": [
        -64,
        -16
      ],
      "parameters": {},
      "typeVersion": 1.1
    },
    {
      "id": "201a2931-ae46-43bb-85d2-0abc47ca2c98",
      "name": "PostProcessing",
      "type": "@n8n/n8n-nodes-langchain.chainLlm",
      "position": [
        -544,
        0
      ],
      "parameters": {},
      "typeVersion": 1.7
    },
    {
      "id": "6a1a5512-f2c3-4b98-b89f-4f328e42422c",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
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        -256
      ],
      "parameters": {
        "content": ""
      },
      "typeVersion": 1
    },
    {
      "id": "a7725722-9e75-439e-b4c8-bb0bb16520bb",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -544,
        -256
      ],
      "parameters": {
        "content": ""
      },
      "typeVersion": 1
    },
    {
      "id": "81fb4fa3-41fe-4750-bdaf-b8518e16acdf",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -848,
        -256
      ],
      "parameters": {
        "content": ""
      },
      "typeVersion": 1
    },
    {
      "id": "16538472-625d-425a-b374-2ad750a0ac3e",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        512,
        -272
      ],
      "parameters": {
        "content": ""
      },
      "typeVersion": 1
    },
    {
      "id": "0169bbce-6ab2-4ff6-9799-9204a3ba0400",
      "name": "Sticky Note4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        208,
        -256
      ],
      "parameters": {
        "content": ""
      },
      "typeVersion": 1
    },
    {
      "id": "1bb72b32-f5f0-4a98-801c-ba751f3db0c3",
      "name": "Sticky Note5",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1328,
        -368
      ],
      "parameters": {
        "content": ""
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "25d9495b-ed66-4b9d-b118-4192b37e8f79",
  "connections": {
    "AudioInput": {
      "main": [
        [
          {
            "node": "WhisperTranscribe",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "QualityCheck": {
      "main": [
        [
          {
            "node": "DiffMatch + SrcPrep",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "PostProcessing": {
      "main": [
        [
          {
            "node": "RoutingQualityCheck",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "PostProcessing",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "TimestampMatching": {
      "main": [
        [
          {
            "node": "SubtitlesPreparation",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "TranscribedLyrics": {
      "main": [
        [
          {
            "node": "QualityCheck",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "WhisperTranscribe": {
      "main": [
        [
          {
            "node": "PostProcessing",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "DiffMatch + SrcPrep": {
      "main": [
        [
          {
            "node": "SRT",
            "type": "main",
            "index": 0
          },
          {
            "node": "LRC",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "RoutingQualityCheck": {
      "main": [
        [
          {
            "node": "TranscribedLyrics",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "TimestampMatching",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "SubtitlesPreparation": {
      "main": [
        [
          {
            "node": "SRT",
            "type": "main",
            "index": 0
          },
          {
            "node": "LRC",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}
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About this workflow

This workflow automates the entire process of creating professional subtitle (.SRT) and synced lyrics (.LRC) files from audio recordings. Upload your vocal track, let Whisper AI transcribe it with precise timestamps, and GPT-5-nano segments it into natural, singable lyric lines.…

Source: https://n8n.io/workflows/9589/ — original creator credit. Request a take-down →

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