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Synthetic music mobile application format
Synthetic-music〔smaf-yamaha.com spells it Synthetic music Mobile Application Format, with the word "music" not capitalized so it does not participate in the abbreviation SMAF. However one editor expressed concern that this odd capitalization pattern would confuse readers, so a hyphen is used here instead.〕 mobile application format, abbreviated SMAF, is a music data format specified by Yamaha for portable electronic devices, such as cell phones and PDAs. The file extension for SMAF is .MMF and is common as ringtones for mobile phones with one of five sound chips.
SMAF resembles MIDI, but also supports graphics and PCM sound playback. Its MIDI playback is produced via FM synthesis or PCM sample-based synthesis, where instrument data (parameters and/or PCM samples) is stored within the .MMF file itself, similar to module files. This enables users to create custom instruments, which will sound exactly the same on devices with the same chip.
The feature set used in SMAF files usually orients itself at the chips produced by Yamaha for playback:
==External links==
(List of mobile phones that support SMAF )
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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