Oscillation and Vibration

• Definition of Oscillation
  • Strange Attractors
• Definition of Vibration
• Role of Vibration in Sound Production
• Examples of Oscillation and Vibration

Equilibrium in Sound

• Definition of Equilibrium
• Types of Equilibrium: Stable vs. Unstable
• Importance in Musical Instruments
• Example: Ball on Hilltop vs. Valley

Simple Harmonic Motion (SHM)

• Definition of Simple Harmonic Motion
• Relationship Between Displacement and Restoring Force
• Sine Wave Representation

Complex Vibrations and Waves

• Definition of Complex Vibration
• Sum of Simple Harmonic Motions
• Fourier Analysis of Complex Signals
• Real-world Sound Examples

Signal Envelope

• Definition of Signal Envelope
• Stages: Attack, Decay, Sustain, Release
• Importance in Sound Synthesis

Periodic Vibration and Wave

• Definition of Periodic Vibration
• Relationship Between Period and Frequency
• Perception of Pitch
• Examples of Periodic Waves

Logarithmic Scales in Sound

• Use of Decibels (dB)
• Perception of Sound Intensity
• Doubling and Tenfold Increase in Sound Level
• Human Hearing Range

Additional Concepts in Acoustics

• Phase and its Effect on Sound
• Root-Mean-Square (RMS) Amplitude
• Linear Superposition and Interference