Calculate samples and bins with half overlapping?

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kleanthis koup
kleanthis koup 2016-6-2
Hello, I have a musical piece of 2,5sec at 48000Hz sampling rate.
I used mirtoolbox to calculate some measures such as mircentroid etc. I did not specify number of bins or the frames for the computation of spectrum. For example I used mircentroid(‘musical piece’).
MIRToolbox calls fft function of Matlab.
So now i’d like to know how many bins and how many samples the algorithm used?
The frame default is at 0.05sec with half overlapping. This information (about half overlapping) changes my samples? I calculated the samples by this: 0.05sec * 48000 samples / sec = 2400 samples.

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