stereo channel random noise

sstream.py

@@ -236,7 +236,8 @@ class SStream(object):
             x, rate = sidekit.frontend.io.read_audio(self.input_filename, self.sampling_rate)
 
         # add random noise to avoid any issue due to zeros
-        x += 0.0001 * np.random.randn(len(x))
+        #x += 0.0001 * np.random.randn(np.product(x.shape)).reshape(x.shape)
+        x += 0.0001 * np.random.standard_normal(x.shape)
 
         (yield None)
         idx = 0