Advantages/Disadvantages
• Time domain analysis, so localization can be better than for frequency analysis metrics (E.g. Earis & Bello methods)
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• Ignores frequency content, so not always or accurate. 
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•Good for instruments with percussive attacks (i.e. piano, drums)
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• Probably not good for non-percussive instruments: voice, violin, woodwinds, brass, etc.