{
  "schema_version": "REFERENCE-1.0",
  "as_of": "2026-10-23",
  "item": {
    "id": "METHOD-0056",
    "kind": "METHOD",
    "title": "FFmpegで動画から音声ファイルを取り出す",
    "last_verified": "2026-10-23",
    "currentness": "VERIFIED_AS_OF",
    "revision": 1,
    "requirements": [
      "読み取り可能な入力ファイル",
      "出力先の空き容量と書込み権限",
      "公式案内に沿って対応するbuildを用意し、利用codecの条件を確認します。"
    ],
    "suitable_for": "FFmpegで動画から音声ファイルを取り出すという目的を、この利用経路で短く試したい場面。",
    "unsuitable_for": "codec・ライセンス・権利を無視した再配布。",
    "purpose": "FFmpegで動画から音声ファイルを取り出す",
    "composition": "FFmpeg",
    "shortest_path": [
      "利用権のある入力動画と新しい出力先を用意する",
      "対象streamと出力形式を指定して変換する",
      "生成音声を再生し、長さと内容を確認する"
    ],
    "verification": "stream選択、出力時間、音声の内容を確認します。",
    "coverage": [
      "files/documents/PDF",
      "data transformation"
    ],
    "canonical_url": "https://enterprise-ai-dictionary.com/reference/methods/method-0056",
    "retrieval": "FULL",
    "publication": "PUBLIC_NO_ADS",
    "index": "INDEX",
    "ads": "OFF",
    "link_policy": "DIRECT"
  },
  "relations": [
    {
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      "subject_id": "SRC-EVID-REF-0056",
      "predicate": "supports",
      "object_id": "METHOD-0056",
      "scope_note": "公開一次資料に基づく利用経路。",
      "last_verified": "2026-10-23",
      "source_ids": [
        "SRC-EVID-REF-0056"
      ]
    },
    {
      "id": "REFREL-07743fb3f0d3878f",
      "subject_id": "TOOL-0055",
      "predicate": "supports",
      "object_id": "METHOD-0056",
      "scope_note": "公開一次資料に基づく利用経路。",
      "last_verified": "2026-10-23",
      "source_ids": [
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    },
    {
      "id": "REFREL-b2478c7c66961942",
      "subject_id": "METHOD-0056",
      "predicate": "uses",
      "object_id": "TOOL-0055",
      "scope_note": "公開一次資料に基づく利用経路。",
      "last_verified": "2026-10-23",
      "source_ids": [
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    },
    {
      "id": "REFREL-a9e8657ad7c6dbd7",
      "subject_id": "METHOD-0056",
      "predicate": "requires",
      "object_id": "IDX-C02-063",
      "scope_note": "関連する運用上の概念。製品そのものの基礎定義とは区別する。",
      "last_verified": "2026-10-23",
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    {
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      "subject_id": "IDX-C02-063",
      "predicate": "explains",
      "object_id": "METHOD-0056",
      "scope_note": "既存TERMの運用上の注意点を読む経路。",
      "last_verified": "2026-10-23",
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}