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Detect Silence in Audio or Video

List silent passages with start, end and duration for chaptering, cut planning or ad-break placement, without editing anything. Run the preset directly on this page or call the same agent-ready endpoint from your product.

Run this tool View API recipe

Prefer the shell? Detect silence with FFmpeg, the verified FFmpeg command for this edit.

LIVE TOOL
Run detect silence
Drop a video, adjust the defaults if you need to, and download the result here.

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Useful defaults, typed options.

The tool slug stays stable while your agent supplies named media inputs and a narrow set of documented options.

  • No encode, analysis only
  • Threshold and minimum duration control
  • Pairs with remove-silence
What this preset does
  1. 01Decode the audio track
  2. 02Scan against the silence threshold
  3. 03Group passages above the minimum duration
  4. 04Return them as JSON
Stable endpointPOST /api/v1/tools/detect-silence
Live API request
{
  "inputs": [{ "id": "main", "url": "https://example.com/podcast.mp3" }],
  "options": { "threshold": -35, "min_silence": 1 }
}
Successful output example
{
  "result": {
    "output": {
      "filename": "detect-silence-output.mp4",
      "contentType": "video/mp4",
      "byteSize": 437021,
      "downloadUrl": "https://cdn.kinopipe.com/…"
    }
  }
}

Know the boundaries before you run.

Upload files up to 300 MB or use public HTTP(S) URLs.
A successful run consumes at least one credit.

About detect silence

detect-silence only reports where the silences are; remove-silence cuts them out. Detect first when you want to decide, remove when you already know.

Yes. The first audio track of a video is analyzed; inputs with no audio are rejected with a typed error.

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