Mercurial > hg > smallbox
comparison toolboxes/AudioInpaintingToolbox/Utils/evaluation/SNR.m @ 138:56d719a5fd31 ivand_dev
Audio Inpaintin Toolbox
| author | Ivan Damnjanovic lnx <ivan.damnjanovic@eecs.qmul.ac.uk> |
|---|---|
| date | Thu, 21 Jul 2011 14:27:47 +0100 |
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| children |
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| 137:9207d56c5547 | 138:56d719a5fd31 |
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| 1 function snr = SNR(xRef,xEst) | |
| 2 % Signal-to-noise Ratio | |
| 3 % | |
| 4 % Usage: snr = SNR(xRef,xEst) | |
| 5 % | |
| 6 % | |
| 7 % Inputs: | |
| 8 % - xRef - reference signal | |
| 9 % - xEst - estimate signal | |
| 10 % | |
| 11 % Outputs: | |
| 12 % - snr - SNR | |
| 13 % | |
| 14 % | |
| 15 % ------------------- | |
| 16 % | |
| 17 % Audio Inpainting toolbox | |
| 18 % Date: June 28, 2011 | |
| 19 % By Valentin Emiya, Amir Adler, Maria Jafari | |
| 20 % This code is distributed under the terms of the GNU Public License version 3 (http://www.gnu.org/licenses/gpl.txt). | |
| 21 % Signal to noise ratio (SNR) | |
| 22 | |
| 23 % Add eps to avoid NaN/Inf values | |
| 24 snr = 10*log10((sum(abs(xRef(:)).^2)+eps)/sum((abs(xRef(:)-xEst(:)).^2)+eps)); | |
| 25 | |
| 26 return |