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Normalize Audio ​

Even out audio loudness to broadcast standard levels using EBU R128 normalization (-16 LUFS).

API Endpoint ​

POST /api/v1/tools/normalize-audio

Accepts multipart form data with an audio file and a JSON settings field.

Parameters ​

This tool has no configurable parameters. It applies EBU R128 loudness normalization automatically.

Example Request ​

bash
curl -X POST http://localhost:1349/api/v1/tools/normalize-audio \
  -H "Authorization: Bearer si_your-api-key" \
  -F "[email protected]"

Example Response ​

json
{
  "jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/audio.mp3",
  "originalSize": 4500000,
  "processedSize": 4500000
}

Notes ​

  • Uses the EBU R128 loudness standard, targeting -16 LUFS.
  • Ideal for podcasts, audiobooks, and broadcast content where consistent loudness is important.
  • The source sample rate is preserved in the output.
  • Output format matches the input format.