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diff toolboxes/AudioInpaintingToolbox/Utils/evaluation/SNR.m @ 138:56d719a5fd31 ivand_dev

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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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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/AudioInpaintingToolbox/Utils/evaluation/SNR.m	Thu Jul 21 14:27:47 2011 +0100
@@ -0,0 +1,26 @@
+function snr = SNR(xRef,xEst)
+% Signal-to-noise Ratio
+%
+% Usage: snr = SNR(xRef,xEst)
+%
+%
+% Inputs:
+%          - xRef - reference signal
+%          - xEst - estimate signal
+%
+% Outputs:
+%          - snr - SNR
+%
+%
+% -------------------
+%
+% Audio Inpainting toolbox
+% Date: June 28, 2011
+% By Valentin Emiya, Amir Adler, Maria Jafari
+% This code is distributed under the terms of the GNU Public License version 3 (http://www.gnu.org/licenses/gpl.txt).
+% Signal to noise ratio (SNR)
+
+% Add eps to avoid NaN/Inf values
+snr = 10*log10((sum(abs(xRef(:)).^2)+eps)/sum((abs(xRef(:)-xEst(:)).^2)+eps));
+
+return