sound

4 articles · All tags

• Why Do Whales Sing? Song, Mating and Communication
  Whales sing mainly to communicate. Male humpback whales produce long, structured songs in breeding grounds, probably to attract mates and signal to rival males.
• The Harmonic Series and Overtones: Why Notes Have Timbre
  Every musical note contains a stack of overtones at whole-number multiples of its frequency. Learn the harmonic series and how it shapes timbre and intervals.
• How Loudspeakers Work
  From amplifier current to sound pressure: the moving-coil driver, why cabinets matter, crossovers, and the physics that limits every speaker no matter its price.
• Doppler Effect
  The change in the observed frequency of a wave when the source and the observer move relative to each other.