{
  "nodes": [
    {
      "id": "translate-french-speech-to-english-audio-0",
      "name": "When clicking \"Execute Workflow\"",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        -160,
        320
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "translate-french-speech-to-english-audio-1",
      "name": "Transcribe Audio",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        720,
        320
      ],
      "parameters": {
        "method": "POST",
        "url": "https://api.openai.com/v1/audio/transcriptions",
        "authentication": "predefinedCredentialType",
        "nodeCredentialType": "openAiApi",
        "sendBody": true,
        "contentType": "multipart-form-data",
        "bodyParameters": {
          "parameters": [
            {
              "name": "file",
              "parameterType": "formBinaryData",
              "inputDataFieldName": "data"
            },
            {
              "name": "model",
              "value": "whisper-1"
            },
            {
              "name": "response_format",
              "value": "json"
            }
          ]
        },
        "options": {
          "response": {
            "response": {
              "responseFormat": "json"
            }
          }
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "translate-french-speech-to-english-audio-2",
      "name": "English Translation Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        940,
        500
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "id",
          "value": "gpt-4o-mini-2024-07-18"
        },
        "options": {
          "temperature": 0,
          "maxRetries": 2
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "translate-french-speech-to-english-audio-3",
      "name": "Configure French Text and Voice",
      "type": "n8n-nodes-base.set",
      "position": [
        60,
        320
      ],
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "french-text",
              "name": "french_text",
              "type": "string",
              "value": "Bonjour. Notre équipe prépare un guide public pour expliquer son travail."
            },
            {
              "id": "voice-id",
              "name": "voice_id",
              "type": "string",
              "value": "YOUR_ELEVENLABS_VOICE_ID"
            }
          ]
        },
        "options": {}
      },
      "typeVersion": 3.4
    },
    {
      "id": "translate-french-speech-to-english-audio-4",
      "name": "Generate French Audio",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        300,
        320
      ],
      "parameters": {
        "method": "POST",
        "url": "=https://api.elevenlabs.io/v1/text-to-speech/{{ encodeURIComponent($('Validate Text and Voice').first().json.voiceId) }}",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendQuery": true,
        "queryParameters": {
          "parameters": [
            {
              "name": "optimize_streaming_latency",
              "value": "1"
            },
            {
              "name": "output_format",
              "value": "mp3_44100_128"
            }
          ]
        },
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "accept",
              "value": "audio/mpeg"
            }
          ]
        },
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={{ {text:$json.frenchText,model_id:\"eleven_multilingual_v2\",voice_settings:{stability:0.5,similarity_boost:0.5}} }}",
        "options": {
          "response": {
            "response": {
              "responseFormat": "file",
              "outputPropertyName": "data"
            }
          }
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "translate-french-speech-to-english-audio-5",
      "name": "Translate Text to English",
      "type": "@n8n/n8n-nodes-langchain.chainLlm",
      "position": [
        960,
        320
      ],
      "parameters": {
        "promptType": "define",
        "text": "=Translate to English:\n{{ $json.frenchTranscript }}",
        "batching": {
          "batchSize": 1
        }
      },
      "typeVersion": 1.7
    },
    {
      "id": "translate-french-speech-to-english-audio-6",
      "name": "Translate English text to speech",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        1320,
        320
      ],
      "parameters": {
        "method": "POST",
        "url": "=https://api.elevenlabs.io/v1/text-to-speech/{{ encodeURIComponent($('Validate Text and Voice').first().json.voiceId) }}",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendQuery": true,
        "queryParameters": {
          "parameters": [
            {
              "name": "optimize_streaming_latency",
              "value": "1"
            },
            {
              "name": "output_format",
              "value": "mp3_44100_128"
            }
          ]
        },
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "accept",
              "value": "audio/mpeg"
            }
          ]
        },
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={{ {text:$json.englishText,model_id:\"eleven_multilingual_v2\",voice_settings:{stability:0.5,similarity_boost:0.5}} }}",
        "options": {
          "response": {
            "response": {
              "responseFormat": "file",
              "outputPropertyName": "data"
            }
          }
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "translate-french-speech-to-english-audio-7",
      "name": "Validate Text and Voice",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        600,
        0
      ],
      "parameters": {
        "mode": "runOnceForAllItems",
        "jsCode": "const prepare = function prepareSpeechInput({french_text,voice_id}) {\n  if(typeof french_text!=='string'||!french_text.trim()||Array.from(french_text).length>10000) throw new Error('Supply French text with 1–10000 characters.');\n  if(typeof voice_id!=='string'||!voice_id.trim()) throw new Error('Supply an ElevenLabs voice ID.');\n  return {frenchText:french_text,voiceId:voice_id.trim()};\n}\n\nreturn [{json:prepare($input.first().json),pairedItem:{item:0}}];"
      }
    },
    {
      "id": "translate-french-speech-to-english-audio-8",
      "name": "Prepare French Audio",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1000,
        0
      ],
      "parameters": {
        "mode": "runOnceForAllItems",
        "jsCode": "const item=$input.first(),audio=item.binary?.data;\nconst mime=typeof audio?.mimeType==='string'?audio.mimeType.split(';')[0].trim().toLowerCase():'';\nif(!['audio/mpeg','audio/mp3','application/octet-stream'].includes(mime))throw new Error('The speech response is not MP3 audio.');\nreturn [{json:{},binary:{...item.binary,data:{...audio,fileName:'french.mp3'}},pairedItem:{item:0}}];"
      }
    },
    {
      "id": "translate-french-speech-to-english-audio-9",
      "name": "Read French Transcript",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1400,
        0
      ],
      "parameters": {
        "mode": "runOnceForAllItems",
        "jsCode": "const prepare = function readFrenchTranscript({transcription}) {\n  if(!transcription||typeof transcription.text!=='string'||!transcription.text.trim()) throw new Error('The French audio returned no transcript.');\n  return {frenchTranscript:transcription.text};\n}\n\nreturn [{json:prepare({transcription:$input.first().json}),pairedItem:{item:0}}];"
      }
    },
    {
      "id": "translate-french-speech-to-english-audio-10",
      "name": "Validate English Translation",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1800,
        0
      ],
      "parameters": {
        "mode": "runOnceForAllItems",
        "jsCode": "const prepare = function validateEnglishSpeechText({text}) {\n  if(typeof text!=='string'||!text.trim()) throw new Error('The translation returned no English text.');\n  const englishText=text.trim();\n  if(Array.from(englishText).length>10000) throw new Error('The English translation exceeds the 10000-character speech limit.');\n  return {englishText};\n}\n\nreturn [{json:prepare({text:$input.first().json.text}),pairedItem:{item:0}}];"
      }
    },
    {
      "id": "translate-french-speech-to-english-audio-11",
      "name": "French and English Audio",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        2200,
        0
      ],
      "parameters": {
        "mode": "runOnceForAllItems",
        "jsCode": "const item=$input.first(),audio=item.binary?.data;\nconst mime=typeof audio?.mimeType==='string'?audio.mimeType.split(';')[0].trim().toLowerCase():'';\nif(!['audio/mpeg','audio/mp3','application/octet-stream'].includes(mime))throw new Error('The speech response is not MP3 audio.');\nreturn [{json:{frenchTranscript:$('Read French Transcript').first().json.frenchTranscript,englishText:$('Validate English Translation').first().json.englishText},binary:{data:{...audio,fileName:'english.mp3'},french:{...$('Prepare French Audio').first().binary.data,fileName:'french.mp3'}},pairedItem:{item:0}}];"
      }
    }
  ],
  "pinData": {},
  "connections": {
    "When clicking \"Execute Workflow\"": {
      "main": [
        [
          {
            "node": "Configure French Text and Voice",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Configure French Text and Voice": {
      "main": [
        [
          {
            "node": "Validate Text and Voice",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Validate Text and Voice": {
      "main": [
        [
          {
            "node": "Generate French Audio",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Generate French Audio": {
      "main": [
        [
          {
            "node": "Prepare French Audio",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Prepare French Audio": {
      "main": [
        [
          {
            "node": "Transcribe Audio",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Transcribe Audio": {
      "main": [
        [
          {
            "node": "Read French Transcript",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Read French Transcript": {
      "main": [
        [
          {
            "node": "Translate Text to English",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Translate Text to English": {
      "main": [
        [
          {
            "node": "Validate English Translation",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Validate English Translation": {
      "main": [
        [
          {
            "node": "Translate English text to speech",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Translate English text to speech": {
      "main": [
        [
          {
            "node": "French and English Audio",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "English Translation Model": {
      "ai_languageModel": [
        [
          {
            "node": "Translate Text to English",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    }
  },
  "name": "Translate French Speech to English Audio",
  "active": false
}