4d 54 68 64 00 00 00 06 00 00 00 01 00 80 4d 54 72 6b 00 00 00 8c 00 ff 58 04 04 02 30 08 00 ff 59 02 00 00 00 90 3c 28 81 00 90 3c 00 00 90 3c 1e 81 00 90 3c 00 00 90 43 2d 81 00 90 43 00 00 90 43 32 81 00 90 43 00 00 90 45 2d 81 00 90 45 00 00 90 45 32 81 00 90 45 00 00 90 43 23 82 00 90 43 00 00 90 41 32 81 00 90 41 00 00 90 41 2d 81 00 90 41 00 00 90 40 32 40 90 40 00 40 90 40 28 40 90 40 00 40 90 3e 2d 40 90 3e 00 40 90 3e 32 40 90 3e 00 40 90 3c 1e 82 00 90 3c 00 00 ff 2f 00 Your assignment is to parse one of the MIDI files in this directory, in a style similar to the following for the above example MIDI file. (You can listen to the actual MIDI file by downoading the real MIDI file from this directory).
4d 54 68 64 == "MThd" which marks the start of a MIDI file
00 00 00 06 == The size in bytes of the rest of the Header chunk.
This value is always 6 for Standard MIDI Files.
00 00 == MIDI format, which is a Type-0 MIDI file
which means that there is only one track in the file.
00 01 == The number of tracks to follow in the file
00 80 == The number of ticks per quarter note (128)
End of MIDI Header
4d 54 72 6b == "MTrk" which marks the start of a MIDI track
00 00 00 8c == The size in bytes of the rest of the track.
This value is incorrect in about 50% of all
MIDI files, and should be ignored.
00 == Delta time of the first MIDI message (0 ticks)
ff 58 04 04 02 30 08 == Meta Message #58 = Time Signature
Message contains 4 bytes: 04 02 30 08
04 = four beats per measure
02 = 2^2 = 4 --> quarter note is the beat
30 = 48 decimal --> clock ticks par quarter note
(tempo 60 beats per minute)
08 = 8 32nd notes per quarter note (beat)
00 == Delta time for next message (0 = no wait)
ff 59 02 00 00 == Meta Message #59 = Key signature
Message contains 2 bytes: 00 00
00 = no sharps or flats
00 = major mode (01 = minor)
00 == Delta time for next message (0 = no wait)
90 3c 28 == Note-On Message (middle C4)
81 00 == Delta time (128 ticks = quarter note)
90 3c 00 == Note-Off Message (C4)
00 == Delta time (0 ticks)
90 3c 1e == Note-On Message (middle C4)
81 00 == Delta time (128 ticks = quarter note)
90 3c 00 == Note-Off Message (C4)
00 == Delta time (0 ticks)
90 43 2d == Note-On Message (G4)
81 00 == Delta time (128 ticks = quarter note)
90 43 00 == Note-Off Message (G4)
00 == Delta time (0 ticks)
90 43 32 == Note-On Message (G4)
81 00 == Delta time (128 ticks = quarter note)
90 43 00 == Note-Off Message (G4)
00 == Delta time (0 ticks)
90 45 2d == Note-On Message (A4)
81 00 == Delta time (128 ticks = quarter note)
90 45 00 == Note-Off Message (A4)
00 == Delta time (0 ticks)
90 45 32 == Note-On Message (A4)
81 00 == Delta time (128 ticks = quarter note)
90 45 00 == Note-Off Message (A4)
00 == Delta time (0 ticks)
90 43 23 == Note-On Message (G4)
82 00 == Delta time (256 ticks = half note)
90 43 00 == Note-Off Message (G4)
00 == Delta time (0 ticks)
90 41 32 == Note-On Message (F4)
81 00 == Delta time (128 ticks = quarter note)
90 41 00 == Note-Off Message (F4)
00 == Delta time (0 ticks)
90 41 2d == Note-On Message (F4)
81 00 == Delta time (128 ticks = quarter note)
90 41 00 == Note-Off Message (F4)
00 == Delta time (0 ticks)
90 40 32 == Note-On Message (E4)
40 == Delta time (64 ticks = eighth note)
90 40 00 == Note-Off Message (E4)
40 == Delta time (64 ticks = eighth note)
90 40 28 == Note-On Message (E4)
40 == Delta time (64 ticks = eighth note)
90 40 00 == Note-Off Message (E4)
40 == Delta time (64 ticks = eighth note)
90 3e 2d == Note-On Message (D4)
40 == Delta time (64 ticks = eighth note)
90 3e 00 == Note-Off Message (D4)
40 == Delta time (64 ticks = eighth note)
90 3e 32 == Note-On Message (D4)
40 == Delta time (64 ticks = eighth note)
90 3e 00 == Note-Off Message (D4)
40 == Delta time (64 ticks = eighth note)
90 3c 1e == Note-On Message (C4)
82 00 == Delta time (256 ticks = half note)
90 3c 00 == Note-Off Message (C4)
00 == Delta time
ff 2f 00 == Meta Message #2f -- End of Track Marker
Number of bytes in Message: 0
This Meta Message is REQUIRED at the end of
a track (since the byte size in the track
header is often wrong).
You should do the first 100 parsed elements in the MIDI file that you choose. Select one MIDI file from the following range assigned to each student: 11b-ma1.asc -- Adnan acso3op2.asc alkqufa.asc anna-04.asc arioso.asc ari_ytng.asc artstlif.asc at01op10.asc babwv667.asc bandera.asc beet271.asc -- Isak be-ps-09.asc bjs959.asc bjspreii.asc bwv864.asc cancion.asc canzona.asc carandan.asc carentr3.asc cb2.asc cdpol153.asc -- Kimberley cheerful.asc ch-ps-03.asc conta01.asc contra03.asc coqdor1.asc corel-3.asc csminpr.asc drm_sanc.asc dvop22-3.asc fieno6.asc -- Luke fieno8.asc flczma.asc fountain.asc fratfuga.asc god104.asc god2511.asc gp_fa_gc.asc gp_syl-3.asc gymnop02.asc hans3c.asc -- Maureen hestcust.asc hfantinc.asc intermas.asc italian.asc jmngfune.asc jwasa.asc k330-2.asc knnata.asc kv103m1.asc kv6_ii.asc -- Michael lerpp1.asc (A weird Microsoft version of MIDI) lmg-pdam.asc lolimp4.asc lpop11.asc lpop1.asc marbsnf4.asc mcl373_1.asc mlf01.asc mm208.asc mm505.asc -- Nico mormorar.asc mr129_5.asc mtaria3p.asc mzalgk80.asc niedo3b.asc nina.asc op5no1a_.asc orchxg5.asc plncmvtp.asc pmpassep.asc -- Rob polkadwr.asc ramns10.asc rositalg.asc rv780_2.asc rwloa3p.asc scri4201.asc sib2-2.asc simplcom.asc slavdnce.asc spohr80b.asc -- Max ssfe.asc sstud15.asc strsonat.asc suite2-3.asc sybije06.asc sy_sps94.asc telviol.asc usehtul.asc valselen.asc variaz.asc -- Eleanor viv_laud.asc wamk521.asc water02.asc water08.asc water16.asc wherwalk.asc wmsingpr.asc wobouv.asc zenpmc3.asc Revised: 15 Feb 2005 |
