Sound beating (speakers)

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Back to 3C - Acoustics
PIRA index: 3C55.35

Description

Two speakers, each attached to their own signal generator, are placed in front of a microphone. The signal from one generator is slightly raised or lowered to hear the beating between the two sound sources.


Equipment

  • two frequency generators
  • two speakers
  • microphone
  • oscilloscope
  • various cables

Instructions

Attach each speaker to its respective function generator and place the speakers facing each other with a 10 cm gap. Connect the microphone to the oscilloscope's

Keywords

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