History: What is convolution reverb?

What is convolution reverb?

• We combine room information with the source signal to make the sound appear to be in a different environment.
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• None of the other answers.
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• A convolution reverb is a simple effect caused by passing the sound through a spring.
  That is a spring reverb.
• A convolution reverb is an effect created by passing the sound through a metal plate.
  That is a plate reverb.