8803
Fourier analysis is the technique that is used to determine these exact timbre parameters from an overall sound signal ; conversely , the resulting set of frequencies and amplitudes is called the Fourier series of the original sound signal .
 person: Fourier
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Fourier