MIDIenablespeopletouse()computersandelectronicmusicalinstruments.ThereareactuallythreecomponentstoMIDI,thecommunications"()",theHardwareinterfaceandadistribution()called"StandardMIDIFiles".InthecontextoftheWWW,themostinterestingcomponentisthe(请作答此空)Format.Inprinciple,MIDIfilescontainsequencesofMIDIProtocolmessages:However,whenMIDIProtocol()arestoredinMIDIfiles,theeventsarealsotime-stampedforplaybackinthepropersequence.MusicdeliveredbyMIDIfilesisthemostcommonuseofMIDItoday.
A.Video B.Faxmail C.Graphic] D.Audio正确答案D
