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SnapOtter 8532f3227b docs: audit all 157 tool pages against live schemas

Reconcile every tool page's parameters, defaults, and response shape against the tool's Zod settings schema and executionHint in code. Notable fixes: color-palette (add count + format params, hex output, median-cut algorithm), favicon (add 5 params, was documented as having none), qr-generate (add logoDataUri), convert (add ppm/eps/tga formats), video-loudnorm (-16 LUFS not -14), smart-crop (async 202 not sync 200), images-to-video (1080x1080 square), and several output-filename and behavior-note corrections.

Also normalize API endpoint paths to /api/v1/tools/<id> (no modality segment) and standardize curl examples on the Docker API port 1349. Verified with a clean docs build.

2026-06-18 14:12:28 +08:00

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description

description
Reduce background noise from audio with FFT-based denoising.

Noise Reduction

Reduce background noise in an audio file using FFT-based denoising with selectable strength.

API Endpoint

POST /api/v1/tools/noise-reduction

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

Parameters

Parameter	Type	Required	Default	Description
strength	string	No	`"medium"`	Denoising strength: `light`, `medium`, `strong`

Example Request

curl -X POST http://localhost:1349/api/v1/tools/noise-reduction \
  -H "Authorization: Bearer si_your-api-key" \
  -F "file=@audio.mp3" \
  -F 'settings={"strength": "strong"}'

Example Response

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

Notes

light preserves more detail but removes less noise. strong removes more noise but may introduce subtle artifacts.
Best results on recordings with consistent background noise (fan hum, air conditioning, static).
Output format matches the input format.

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