diff --git a/SAR.m b/SAR.m
new file mode 100644
index 0000000000000000000000000000000000000000..35211ee9977d79ddbc150517c728a4f04d0eef67
--- /dev/null
+++ b/SAR.m
@@ -0,0 +1,4 @@
+[x,fe]=audioread("C:\Users\camil\Documents\IMT_A\semestre_6\electrical engineering\tp-audio-ee-etudiant-c24leray\src\wav\piano_chord.wav");
+soundsc(x,fe);
+
+X = fftshift(x)