YAML

動画ファイル形式 - YAML

動画ファイル形式は、デジタル映像と音声をコンテナに格納するための規格です。MP4、AVI、MKV、MOV、WebMなど様々な形式があり、それぞれ圧縮率、互換性、機能性に特徴があります。用途に応じて最適な形式を選択することで、画質、ファイルサイズ、再生環境のバランスを最適化できます。

動画ファイル形式 MP4 MKV AVI MOV WebM コーデックコンテナ

- code: "1"
  slug: "mp4"
  name: "MP4"
  description: "最も広く使われる動画ファイル形式です。"
  extension: ".mp4"
  developer: "MPEG (Moving Picture Experts Group)"
  releaseYear: 2001
  license: "Patent-encumbered"
  supportedCodecs:
    - "H.264"
    - "H.265/HEVC"
    - "AV1"
    - "MPEG-4"
  compatibility: "Excellent"
  bestFor:
    - "YouTube uploads"
    - "Social media"
    - "Mobile playback"
    - "Streaming"
- code: "2"
  slug: "avi"
  name: "AVI"
  description: "Microsoftが開発したレガシーな動画ファイル形式です。"
  extension: ".avi"
  developer: "Microsoft"
  releaseYear: 1992
  license: "Proprietary"
  supportedCodecs:
    - "DivX"
    - "Xvid"
    - "H.264"
    - "H.265"
    - "MPEG-4"
  compatibility: "Good (Windows)"
  bestFor:
    - "Legacy compatibility"
    - "Uncompressed video"
    - "Windows environments"
- code: "3"
  slug: "mkv"
  name: "MKV"
  description: "オープンソースの高機能動画コンテナ形式です。"
  extension: ".mkv"
  developer: "Matroska/CoreCodec"
  releaseYear: 2002
  license: "Open-source"
  supportedCodecs:
    - "H.264"
    - "H.265"
    - "VP8"
    - "VP9"
    - "AV1"
    - "DivX"
    - "Xvid"
  compatibility: "Good (PC-focused)"
  bestFor:
    - "Media archiving"
    - "Multi-language content"
    - "Blu-ray backup"
    - "Anime storage"
- code: "4"
  slug: "mov"
  name: "MOV"
  description: "Appleが開発したプロフェッショナル向け動画形式です。"
  extension: ".mov"
  developer: "Apple"
  releaseYear: 1991
  license: "Proprietary"
  supportedCodecs:
    - "Apple ProRes"
    - "H.264"
    - "H.265"
    - "MPEG-4"
  compatibility: "Best on Apple devices"
  bestFor:
    - "Professional editing"
    - "Mac workflows"
    - "High-quality preservation"
    - "Post-production"
- code: "5"
  slug: "webm"
  name: "WebM"
  description: "Web向けに最適化されたオープンソース動画形式です。"
  extension: ".webm"
  developer: "Google"
  releaseYear: 2010
  license: "Royalty-free"
  supportedCodecs:
    - "VP8"
    - "VP9"
    - "AV1"
    - "Vorbis"
    - "Opus"
  compatibility: "Modern browsers only"
  bestFor:
    - "Web embedding"
    - "HTML5 video"
    - "Streaming"
    - "Bandwidth-limited scenarios"