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Same note, different instruments

A flute and a violin can play the same note just as loudly and still sound completely different. Each instrument adds its own set of overtones on top of the note, and that mixture is what your ear hears as timbre.

In the picture

  1. Wooden flute: the instrument whose smooth tube adds few overtones
  2. The flute’s ribbon: a smooth rounded wave with the same height and the same crest spacing as the violin’s
  3. Violin body: the instrument whose wooden box and strings enrich the sound heavily
  4. The violin’s ribbon: a sharp jagged wave with pointed peaks

Examples

  • A guitar and a piano playing the same melody in the same key
  • Recognising a friend’s voice on the phone before they say their name

Quiz: Same note, different instruments (Age 16)

  1. Why can a flute and a violin sound different even when they play the same note at the same loudness?

    • Because their vibrations repeat at different speeds.
    • Because their vibrations have different sizes.
    • Because they mix overtones in different ways.
  2. What does timbre depend on?

    • How large the vibration is.
    • Which overtones are present and how strong each one is.
    • How fast the vibration repeats.
  3. What does pitch come from?

    • Which overtones are strongest.
    • How large the vibration is.
    • How fast the vibration repeats.

The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.

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Music, Age 16