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