Podcast Audio Pipeline (trim → Normalize → Fade → Mp3)

The workflow JSON

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{
  "name": "Podcast Audio Pipeline (Trim \u2192 Normalize \u2192 Fade \u2192 MP3)",
  "nodes": [
    {
      "parameters": {},
      "id": "trigger-001",
      "name": "Start",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        100,
        300
      ]
    },
    {
      "parameters": {
        "operation": "trim",
        "inputFile": "/path/to/raw-recording.wav",
        "startTime": "5",
        "endTime": "3600"
      },
      "id": "trim-001",
      "name": "Trim Intro Silence",
      "type": "n8n-nodes-ffmpeg-studio.ffmpegAudio",
      "typeVersion": 1,
      "position": [
        340,
        300
      ]
    },
    {
      "parameters": {
        "operation": "loudnorm",
        "inputFile": "={{ $json.filePath }}",
        "integratedLoudness": -16,
        "truePeak": -1.5,
        "lra": 11
      },
      "id": "norm-001",
      "name": "Loudness Normalize (-16 LUFS)",
      "type": "n8n-nodes-ffmpeg-studio.ffmpegAudio",
      "typeVersion": 1,
      "position": [
        580,
        300
      ]
    },
    {
      "parameters": {
        "operation": "fade",
        "inputFile": "={{ $json.filePath }}",
        "fadeInDuration": "2",
        "fadeOutDuration": "3"
      },
      "id": "fade-001",
      "name": "Add Fade In/Out",
      "type": "n8n-nodes-ffmpeg-studio.ffmpegAudio",
      "typeVersion": 1,
      "position": [
        820,
        300
      ]
    },
    {
      "parameters": {
        "operation": "convert",
        "inputFile": "={{ $json.filePath }}",
        "outputFormat": "mp3",
        "audioBitrate": "192k",
        "audioCodec": "libmp3lame"
      },
      "id": "export-001",
      "name": "Export MP3 192kbps",
      "type": "n8n-nodes-ffmpeg-studio.ffmpegAudio",
      "typeVersion": 1,
      "position": [
        1060,
        300
      ]
    },
    {
      "parameters": {
        "fileName": "podcast-episode.mp3"
      },
      "id": "write-001",
      "name": "Write MP3 File",
      "type": "n8n-nodes-base.writeBinaryFile",
      "typeVersion": 1,
      "position": [
        1300,
        300
      ]
    }
  ],
  "connections": {
    "Start": {
      "main": [
        [
          {
            "node": "Trim Intro Silence",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Trim Intro Silence": {
      "main": [
        [
          {
            "node": "Loudness Normalize (-16 LUFS)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Loudness Normalize (-16 LUFS)": {
      "main": [
        [
          {
            "node": "Add Fade In/Out",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Add Fade In/Out": {
      "main": [
        [
          {
            "node": "Export MP3 192kbps",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Export MP3 192kbps": {
      "main": [
        [
          {
            "node": "Write MP3 File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {},
  "meta": {
    "description": "Full podcast production pipeline: trim silence, loudness-normalize to -16 LUFS (podcast standard), add fade in/out, export as broadcast-quality MP3.",
    "tags": [
      "audio",
      "podcast",
      "loudnorm",
      "mp3",
      "broadcast"
    ]
  }
}

About this workflow

Podcast Audio Pipeline (Trim → Normalize → Fade → MP3). Uses n8n-nodes-ffmpeg-studio, writeBinaryFile. Event-driven trigger; 6 nodes.

Source: https://github.com/ArielleTolome/n8n-nodes-ffmpeg/blob/main/examples/podcast-audio-pipeline.json — original creator credit. Request a take-down →

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