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Exploring Music Lab 8. by Prof. Lydia Ayers. Objectives. Finish any work not completed in the previous lab Demonstrate composition to TA Record “Cat” Samples Practice Scales Write an outline for your Final Project Work on your composition. Please Record Some Samples.

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by prof lydia ayers

Exploring Music

Lab 8

by Prof. Lydia Ayers

  • Finish any work not completed in the previous lab
  • Demonstrate composition to TA
  • Record “Cat” Samples
  • Practice Scales
  • Write an outline for your Final Project
  • Work on your composition
please record some samples
Please Record Some Samples
  • One spoken tone of the word “cat”
  • One sung tone of the word “cat”
  • One other sound that you think fits, such as “meow”
    • One additional spoken tone of “cat”
    • And one sample of the word “kitty”
  • GENTLEMEN: And one sample of “hey”
  • If anyone has a real cat, you can also record some of his or her sounds
  • Please check whether you have clipping or sounds in the background
  • Send to:
just major scale in cooledit
Just Major Scale in CoolEdit
  • Open your sung cat sample or any other pitched sample you have in Cool Edit (first make a backup copy of your sample!)
  • Find the frequency ratio for a major 2nd in just intonation
    • Just Intonation ratios come from the harmonic series, review course notes if you need more details
  • Click Effects -> Time/Pitch -> Stretch and choose Pitch Shift
just major scale in cooledit1
Just Major Scale in CoolEdit
  • Choose Constant Stretch and Pitch Shift
  • Type the frequency ratio in the window
  • Listen to the resulting sound
just major scale in cooledit2
Just Major Scale in CoolEdit
  • The new sound is extremely high because the ratio in Cool Edit is treated as a percent, so undo the stretch, change the ratio to 112.5 and try again
just major scale in cooledit3
Just Major Scale in CoolEdit
  • The new sound is lower than the original sample, so undo the stretch, change the ratio to 1/112.5 and try again
  • This produces the correct pitch, so open another CoolEdit window (hit the "New" button in the toolbar)and paste the pitch-shifted sample into it
  • Complete the major scale by pitch-shifting additional copies of your ORIGINALsample, and mix-pasting them into the second Cool-Edit window
  • You will hear some distortion of the sound quality on the highest tones
  • SAVE the major_scale.wav file
slendro scale in cooledit
Slendro Scale in CoolEdit
  • Make a Slendro Scale in CoolEdit
  • The Indonesian Slendro Scale divides the octave into 5 approximately equal parts
    • To calculate the ratios for equal parts of an octave, use 21/5 as the frequency ratio for each part
    • You can shift the sample again after you copy the shifted tone into the second CoolEdit window, you don’t need the original sample
  • SAVE the slendro_scale.wav file
playing the scales
Playing the Scales
  • Listen to the scales you made in CoolEdit and try to play them on your instrument
find the frequencies of the pitches you will use in your piece
Find the Frequencies of the Pitches You Will Use in Your Piece
  • Record the sounds your instrument produces
  • Use the wavanal program to find the frequencies of the sounds
    • On the Web page for wavanal, there is also a pitcher program which may be helpful (it is probably not in Lab 4 now)
  • Organize the frequencies into a scale
final project outline
Final Project Outline
  • Which instrument are you building and playing for your piece?
    • We will have the bowed string demos on Wednesday
  • Who is performing your piece?
  • Which instruments are they playing?
final project outline1
Final Project Outline
  • Describe the tuning of your instrument
  • Try to describe the basic musical ideas you will explore in your piece
  • Developing some thoughts about these things should help you answer the composition question and final project progress report on the Midterm Exam
  • Continue working on your composition
    • Start writing program notes about your ideas as you work on your composition because it’s more difficult to remember everything later
    • These program notes can change as you continue working on your piece, so don’t worry about making them perfect the first time
    • Use the Web link to the program notes template