{
  "slug": "audio-silence-remove",
  "name": "gizza-ai/audio-silence-remove",
  "version": "0.1.0",
  "title": "Remove Silence from Audio Online — gizza.ai",
  "description": "Strip dead air and long pauses out of any recording right in your browser — set a silence threshold and minimum gap. Runs locally, nothing is uploaded, free.",
  "tags": [
    "audio",
    "silence",
    "remove",
    "dead air",
    "podcast",
    "trim",
    "pauses",
    "gaps"
  ],
  "category": "audio",
  "urls": {
    "page": "https://gizza.ai/tools/audio-silence-remove/",
    "markdown": "https://gizza.ai/tools/audio-silence-remove/index.md",
    "descriptor": "https://gizza.ai/tools/audio-silence-remove/tool.json",
    "deep_link_example": "https://gizza.ai/tools/audio-silence-remove/?url=https://example.com/input&threshold_db=-30&min_silence=0.5&format=mp3"
  },
  "cli": "gizza tool audio-silence-remove 'url=https://example.com/input' 'threshold_db=-30' 'min_silence=0.5' 'format=mp3'",
  "tool": {
    "description": "Remove silent gaps from an audio recording (leading, middle and trailing) with ffmpeg's silenceremove filter. Provide either url (HTTP/HTTPS) or ref (id from a prior tool call). Audio quieter than threshold_db (default -30) counts as silence; only gaps longer than min_silence seconds (default 0.5) are trimmed, and 0.25s of each gap is kept so speech keeps natural pauses. Output is re-encoded to mp3 (192 kbps), wav, ogg, flac or m4a.",
    "parameters": {
      "additionalProperties": false,
      "oneOf": [
        {
          "required": [
            "url"
          ]
        },
        {
          "required": [
            "ref"
          ]
        }
      ],
      "properties": {
        "format": {
          "default": "mp3",
          "description": "Output audio format. Default mp3 (192 kbps).",
          "enum": [
            "mp3",
            "wav",
            "ogg",
            "flac",
            "m4a"
          ],
          "type": "string"
        },
        "min_silence": {
          "description": "Minimum silent-gap length in seconds to trim (default 0.5). Must be > 0.",
          "minimum": 0,
          "type": "number"
        },
        "ref": {
          "description": "Reference id from a prior tool call. Use either url or ref.",
          "type": "string"
        },
        "threshold_db": {
          "description": "Silence threshold in dB (default -30). Audio quieter than this counts as silence.",
          "maximum": 0,
          "type": "number"
        },
        "url": {
          "description": "Audio URL (HTTP/HTTPS). Use either url or ref.",
          "type": "string"
        }
      },
      "type": "object"
    }
  }
}