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VGM (Video Game Music) is an audio format for multiple video game platforms, such as Sega's Master System, Game Gear, Mega Drive/Genesis, MSX, Neo Geo, PC (Adlib/SoundBlaster), and many others. The normal filename extension is ''.vgm'', but files can also be Gzip compressed into ''.vgz'' files. Technically, ''.vgz'' files should be named ''.vgm.gz'', but because some popular operating systems' file managers cannot handle file name suffixes that themselves contain a dot, ''.vgz'' is used in order to launch a VGM player (e.g. Winamp with the proper plugin) and not a data compression program such as WinZip or WinRAR. On November 20, 2005, VGM 1.50 was officially announced, and a new version of the input plugin released. The new version of the format now supports PCM optimization for the Yamaha YM2612 sound chip, which makes sound files using the chip a lot smaller — sometimes with over 75% of size reduction. The first YM2612 VGM archive, Project 2612, optimized all of its packages soon after. == Version history == On May 6, 2011, the official VGM specification was updated from version 1.50 to 1.60; the following non-exhaustive list details each new change: 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「VGM (file format)」の詳細全文を読む スポンサード リンク
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