Mercurial > hg > smallbox
annotate toolboxes/AudioInpaintingToolbox/Utils/evaluation/SNR.m @ 247:ecce33192fcc tip
Added tag ver_2.1 for changeset cef4500b936f
author | luisf <luis.figueira@eecs.qmul.ac.uk> |
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date | Wed, 31 Oct 2012 12:24:44 +0000 |
parents | 56d719a5fd31 |
children |
rev | line source |
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ivan@138 | 1 function snr = SNR(xRef,xEst) |
ivan@138 | 2 % Signal-to-noise Ratio |
ivan@138 | 3 % |
ivan@138 | 4 % Usage: snr = SNR(xRef,xEst) |
ivan@138 | 5 % |
ivan@138 | 6 % |
ivan@138 | 7 % Inputs: |
ivan@138 | 8 % - xRef - reference signal |
ivan@138 | 9 % - xEst - estimate signal |
ivan@138 | 10 % |
ivan@138 | 11 % Outputs: |
ivan@138 | 12 % - snr - SNR |
ivan@138 | 13 % |
ivan@138 | 14 % |
ivan@138 | 15 % ------------------- |
ivan@138 | 16 % |
ivan@138 | 17 % Audio Inpainting toolbox |
ivan@138 | 18 % Date: June 28, 2011 |
ivan@138 | 19 % By Valentin Emiya, Amir Adler, Maria Jafari |
ivan@138 | 20 % This code is distributed under the terms of the GNU Public License version 3 (http://www.gnu.org/licenses/gpl.txt). |
ivan@138 | 21 % Signal to noise ratio (SNR) |
ivan@138 | 22 |
ivan@138 | 23 % Add eps to avoid NaN/Inf values |
ivan@138 | 24 snr = 10*log10((sum(abs(xRef(:)).^2)+eps)/sum((abs(xRef(:)-xEst(:)).^2)+eps)); |
ivan@138 | 25 |
ivan@138 | 26 return |