TOML
動画ファイル形式 - TOML
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
[[items]]
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。"
bestFor = "[\"YouTube uploads\",\"Social media\",\"Mobile playback\",\"Streaming\"]"
compatibility = "Excellent"
developer = "MPEG (Moving Picture Experts Group)"
extension = ".mp4"
license = "Patent-encumbered"
releaseYear = 2001
supportedCodecs = "[\"H.264\",\"H.265/HEVC\",\"AV1\",\"MPEG-4\"]"
[[items]]
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。"
bestFor = "[\"Legacy compatibility\",\"Uncompressed video\",\"Windows environments\"]"
compatibility = "Good (Windows)"
developer = "Microsoft"
extension = ".avi"
license = "Proprietary"
releaseYear = 1992
supportedCodecs = "[\"DivX\",\"Xvid\",\"H.264\",\"H.265\",\"MPEG-4\"]"
[[items]]
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。"
bestFor = "[\"Media archiving\",\"Multi-language content\",\"Blu-ray backup\",\"Anime storage\"]"
compatibility = "Good (PC-focused)"
developer = "Matroska/CoreCodec"
extension = ".mkv"
license = "Open-source"
releaseYear = 2002
supportedCodecs = "[\"H.264\",\"H.265\",\"VP8\",\"VP9\",\"AV1\",\"DivX\",\"Xvid\"]"
[[items]]
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。"
bestFor = "[\"Professional editing\",\"Mac workflows\",\"High-quality preservation\",\"Post-production\"]"
compatibility = "Best on Apple devices"
developer = "Apple"
extension = ".mov"
license = "Proprietary"
releaseYear = 1991
supportedCodecs = "[\"Apple ProRes\",\"H.264\",\"H.265\",\"MPEG-4\"]"
[[items]]
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。"
bestFor = "[\"Web embedding\",\"HTML5 video\",\"Streaming\",\"Bandwidth-limited scenarios\"]"
compatibility = "Modern browsers only"
developer = "Google"
extension = ".webm"
license = "Royalty-free"
releaseYear = 2010
supportedCodecs = "[\"VP8\",\"VP9\",\"AV1\",\"Vorbis\",\"Opus\"]"