Spectral centroid 6 harmonics: f0 = 100Hz E.g. 1: Amplitudes: 6; 5.75; 4; 3.2; 2; 1 [(100*6)+(200*5.75)+(300*4)+(400*3.2)+(500*2 )+(600*1)] / 21.95 = 265.6Hz.
Towards Ambient Intelligence in Education George Margetis Institute of Computer Science Foundation for Research and Technology - Hellas.
![Spectral centroid 6 harmonics: f0 = 100Hz E.g. 1: Amplitudes: 6; 5.75; 4; 3.2; 2; 1 [(100*6)+(200*5.75)+(300*4)+(400*3.2)+(500*2 )+(600*1)] / 21.95 = 265.6Hz.](https://static.fdocuments.net/doc/330x215/56649d6a5503460f94a47cc2/spectral-centroid-6-harmonics-f0-100hz-eg-1-amplitudes-6-575-4-32.jpg)
