Rename Wave.get_around() subsampling to stride

ovgenpy/wave.py

@@ -94,12 +94,12 @@ class Wave:
 
         return out
 
-    def get_around(self, sample: int, region_nsamp: int, subsampling: int):
+    def get_around(self, sample: int, region_nsamp: int, stride: int):
         """ Copies self.data[...] """
-        region_nsamp *= subsampling
+        region_nsamp *= stride
         end = sample + region_nsamp // 2
         begin = end - region_nsamp
-        return self._get(begin, end, subsampling)
+        return self._get(begin, end, stride)
 
     def get_s(self) -> float:
         """

tests/test_channel.py

@@ -35,7 +35,7 @@ def test_channel_subsampling(
     Wave = mocker.patch.object(ovgenpy.channel, 'Wave')
     wave = Wave.return_value
 
-    def get_around(sample: int, region_nsamp: int, subsampling: int):
+    def get_around(sample: int, region_nsamp: int, stride: int):
         return np.zeros(region_nsamp)
 
     wave.get_around.side_effect = get_around

tests/test_wave.py

@@ -41,12 +41,12 @@ def test_wave_subsampling():
     wave = Wave(None, 'tests/sine440.wav')
     # period = 48000 / 440 = 109.(09)*
 
-    wave.get_around(1000, region_nsamp=501, subsampling=4)
+    wave.get_around(1000, region_nsamp=501, stride=4)
     # len([:region_len:subsampling]) == ceil(region_len / subsampling)
     # If region_len % subsampling != 0, len() != region_len // subsampling.
 
-    subsampling = 4
-    region = 100    # diameter = region * subsampling
+    stride = 4
+    region = 100    # diameter = region * stride
     for i in [-1000, 50000]:
-        data = wave.get_around(i, region, subsampling)
+        data = wave.get_around(i, region, stride)
         assert (data == 0).all()