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Algorithm for average magnitude in FFT spectrum

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stroma

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Hi
Can someone guide me to the right algorithm to average magnitude in fft spectrum. Can this be done with n-point moving average filter without need to store last n frames of magnitude spectrum? Now I’m using exponential moving average algorithm – Xavr = alpha*Xavr + (1-alpha)*Xnew. Is there similar formula for n-point moving average?

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stroma
 

stroma

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what are fft point and average?

Hi elcielo,
Sorry but I can’t find answer of my question in this pdf /by the way I have printed version of whole book/. Can you be more specific please?

best regards
stroma

Added after 1 hours 26 minutes:

i found yhe information i need - it is in chapter 15 of the book :)
 

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