Contents

• Beats
• Circle of Fifths
• Scales (general comments)
• Just vs Equal Temperament
  • Rational Approximations to Equal Temperament
  • Beats (between notes)
• Why G# and Ab are (not) the same
• Western Scales and Chords
• Pythagorean Scale
• Pentatonic Scales
• Hexatonic Scales
• Blues Scales
• Equal Tempered Scale - Table of Frequencies and Wavelengths in air
  • Equations used for this table
• Equal Temperament compared to Mean Tone - Table of Frequencies
• Some Other Musical Scales
• Making sense of cents
• Sounds and Spectra
• Speed of Sound in Air
• Conical vs Cylindrical Bores
• Clarinet Comments
• Saxophone Sounds
• Phase Shifts and Sounds
• Autocorrelation
• The Missing Fundamental
• Make your own Flutes
• Fife dimensions
• G Flute from PVC Plumbing
• Native American - like PVC Flute
• Calculating Flute Finger Hole Positions
• Make your own wind chimes
• Acoustics in Tubes and Ducts
• Acoustic Filters
• Terminating Impedance
• Measuring propagation
• Duct and Filter References
• Room Acoustics
• Reverberation Time
• Absorbers
• Diffusers
• Table of Primitive Root and Quadratic Residue Sequences
• White Noise Sources
• The Linear Feedback Shift Register
• Other Tap Positions
• Some Related Videos
• Crash Cymbal in Slow Motion
• Tuning Fork in Slow Motion
• Electric Rijke Tube Organ
• Siren Disk Demo
• Bowed Violin in Slow Motion (Stick-Slip Mechanism)
• 440 Hz Chime in Slow Motion
• Flute with Clarinet Head Joint and vice versa
• Blank Staffs for composing (PDF)
• Some Composer/Scientists
• Some General References