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What does the diaphragm in the speaker do?

4 years ago Accepted AvailableLanguage: English
What does the diaphragm in the speaker do?
  • The diaphragm moves to match the analog signal, which creates changes in pressure in the air to create sound. (Correct.)
  • The diaphragm moves to match the changes in air pressure, which is recorded and sampled in the digital converter. (This is the diaphragm in the microphone.)
  • The air molecules are spaced apart. (This is rarefaction.)
  • The air molecules are dense. (This is compression.)
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