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Midi Talk 4

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A few slides used to discuss MIDI in a class to teach the use of the ScoreWriter program.

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Midi Talk 4

  1. 1. MIDI for the Desktop Musician
  2. 2. 1876 1979 2003 A Little Desktop Musician History 2009
  3. 3. Music Inside the Computer <ul><li>Hardware – Sound Card - Generic: $20 - Audiophile: $600 </li></ul><ul><li>Files </li></ul><ul><li>3 minutes of music = .wav .mp3 (64kbs) .mid .01 floppy </li></ul>
  4. 4. Your Link to Desktop Music Score Writer has two functions: <ul><li>Music Notation Software For Printing Scores </li></ul><ul><li>MIDI Sequencer For Playing Music </li></ul>
  5. 5. What is MIDI?   M usical I nstrument D igital I nterface   Created in 1983 to standardize data exchange between electronic instruments. Data sent on 16 Channels Data can be: System Messages Synchronization Signals Channel Messages Note on Pitch Aftertouch Controller Info Note Off Program (Voice) Changes   General MIDI Defines standard set of voices Assigns percussion on Channel 10 – each note is a different percussion instrument
  6. 6. Putting Music into Score Writer There are “musical alternatives” to the computer keyboard! For example: M-Audio KeyRig 25 (USB) $94 M-Audio KeyRig 49 (USB) $95
  7. 7. Yamaha MPC-3, $35,990 Midi Controllers: Keyboards Yamaha YPG-235, $340
  8. 8. Midi Controllers: Strings Zeta Violins, $1,300 - $5,000 Ztar Guitars, $2000 Zboard $3000
  9. 9. Yamaha, WX-5 $549 Nyle EVI (maybe on eBay?) Akai, EWI4000S $699 Midi Controllers: Wind
  10. 10. MIDI Playback   Four Principal Systems:   1.Hardware Based Wave Tables This is what you find in the $100-$400 keyboards. 2. Software Based WaveTables This is what you find in many computer sound cards.   3. Frequency Modulated Synthesis This is the technology pioneered by Yamaha and still used in their moderately priced hardware. 3. Sampled Sound Wave Tables These use samples of real sounds for very realistic playback. Can be hardware or software based. Some computer sound cards use hardware based sampled sounds.    
  11. 11. Software Based Sampling Available from Amazon.com for $200/each
  12. 12. Want to Learn More?
  13. 13. Using MIDI to capture music in Score Writer Demonstration   Recording MIDI: Metronome Record Options Quantize Linking Staves to MIDI devices Recording Step Record
  14. 14. <ul><li>Using MIDI Data </li></ul><ul><li>  </li></ul><ul><li>Midi files can be: </li></ul><ul><li>Converted to musical scores using programs such as Scorewriter </li></ul><ul><li>Modified using programs such as Cakewalk’s Home Studio or Music Creator </li></ul><ul><li>Converted to an MP3 file </li></ul><ul><li>Converted to a .WAV file and burned into a CD to be played on standard audio equipment </li></ul><ul><li>e-mailed to a friend </li></ul><ul><li>Used for “live” performance through a “Tone Generator” or synthesizer </li></ul>
  15. 15. <ul><li>Manipulating MIDI data in Score Writer </li></ul><ul><li>Edit/Midi Data </li></ul><ul><li>Velocity (=loudness) </li></ul><ul><li>Wheel (pitch change within a note) </li></ul><ul><li>Control – Pan (stereo – left to right) </li></ul><ul><li>Control – Expression (loudness change within a note) </li></ul><ul><li>Tempo </li></ul><ul><li>  </li></ul><ul><li>Cakewalk’s “Music Creator” contains greater capabilities for editing MIDI data and is a nice companion program to Score Writer. </li></ul>
  16. 16. Getting Sound Out <ul><li>MIDI doesn’t make sound </li></ul><ul><li>MIDI tells a device when to make a sound and what sound to make </li></ul><ul><li>There are many devices which make sound in response to MIDI instructions </li></ul>
  17. 17. MIDI Sampled Sounds                                      Stradivarius                                                                          Violins Stradivari , circa 1719 Stradivari , circa 1716 Guarneri , circa 1735 Vuillaume , circa 1840 Gagliano , circa 1750 Gagliano , circa 1772 Gagliano , circa 1786 Testore , circa 1758 Pierray , circa 1714 Pagani , circa 1882 Vaillant, circa 1741 Pagez, unknown vintage Klotz, circa early 1700's Unknown French Violin, circa 1825 Gemunder, circa 1805 Antoniazzi, circa 1910 Unknown Hungarian Gypsy violin Unknown German violin, circa 1800 Unkown Hungarian Violin, late 1800's Homelka, circa 1856 Farvolo, modern Gatano Gearta, circa 1921 Perisson , modern                               Guarneri                                       
  18. 18. Buy the Vienna Symphony For $1,890 (Legato and Staccato are $1,490 extra)
  19. 19. <ul><li>Manipulating MIDI data in Score Writer </li></ul><ul><li>Edit/Midi Data </li></ul><ul><li>Velocity (=loudness) </li></ul><ul><li>Wheel (pitch change within a note) </li></ul><ul><li>Control – Pan (stereo – left to right) </li></ul><ul><li>Control – Expression (loudness change within a note) </li></ul><ul><li>Tempo </li></ul><ul><li>  </li></ul><ul><li>Cakewalk’s “Music Creator” contains greater capabilities for editing MIDI data and is a nice companion program to Score Writer. </li></ul>
  20. 20. Using MIDI to capture music in Score Writer Demonstration   Recording MIDI: Metronome Record Options Quantize Linking Staves to MIDI devices Recording Step Record
  21. 21. From Sound to Music The Real World:
  22. 22. Sound is Analog But Computers are Digital Analog to Digital Conversion: For a CD, samples are taken 44,000 times per second For DVD-Audio samples are taken 200,000 times per second

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