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https://github.com/snapotter-hq/SnapOtter.git
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43 lines
1.0 KiB
Markdown
43 lines
1.0 KiB
Markdown
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---
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description: Normalize video audio volume to broadcast standard.
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---
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# Normalize Audio
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Normalize video audio volume to the EBU R128 broadcast loudness standard.
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## API Endpoint
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`POST /api/v1/tools/video-loudnorm`
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Accepts multipart form data with a video file. This tool has no configurable settings.
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## Parameters
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This tool has no parameters. It applies EBU R128 loudness normalization to the audio track.
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## Example Request
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```bash
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curl -X POST http://localhost:1349/api/v1/tools/video-loudnorm \
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-H "Authorization: Bearer si_your-api-key" \
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-F "file=@clip.mp4"
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```
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## Example Response
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```json
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{
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"jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
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"downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/clip.mp4",
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"originalSize": 12500000,
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"processedSize": 12500000
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}
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```
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## Notes
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- Uses FFmpeg's two-pass `loudnorm` filter targeting -14 LUFS integrated loudness, the standard for streaming platforms.
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- The source audio sample rate is preserved in the output.
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- If the video has no audio track, the request returns a 400 error.
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