diff --git a/aircox/controllers/sound_monitor.py b/aircox/controllers/sound_monitor.py
index 80a00cf..82e7306 100644
--- a/aircox/controllers/sound_monitor.py
+++ b/aircox/controllers/sound_monitor.py
@@ -103,10 +103,8 @@ class MoveTask(Task):
     log_msg = "Sound file moved: {event.src_path} -> {event.dest_path}"
 
     def __call__(self, event, **kw):
-        print("event", event.src_path, event.dest_path, Sound.objects.all())
         sound = Sound.objects.filter(file=event.src_path).first()
         if sound:
-            print("got sound", event.src_path)
             kw["sound"] = sound
             kw["path"] = event.src_path
         else:
diff --git a/aircox/controllers/sound_stats.py b/aircox/controllers/sound_stats.py
index a4e5d50..2317348 100644
--- a/aircox/controllers/sound_stats.py
+++ b/aircox/controllers/sound_stats.py
@@ -73,19 +73,18 @@ class SoundStats:
 
     def __init__(self, path, sample_length=None):
         self.path = path
-        self.sample_length = (
-            sample_length if sample_length is not None else self.sample_length
-        )
+        if sample_length is not None:
+            self.sample_length = sample_length
 
     def get_file_stats(self):
-        return self.stats and self.stats[0]
+        return self.stats and self.stats[0] or None
 
     def analyse(self):
         logger.debug("complete file analysis")
         self.stats = [SoxStats(self.path)]
         position = 0
         length = self.stats[0].get("length")
-
+        print(self.stats, "-----")
         if not self.sample_length:
             return
 
@@ -109,23 +108,23 @@ class SoundStats:
         self.resume()
 
     def resume(self):
-        def view(array):
-            return [
-                "file"
-                if index == 0
-                else "sample {} (at {} seconds)".format(
-                    index, (index - 1) * self.sample_length
-                )
-                for index in array
-            ]
-
         if self.good:
             logger.debug(
                 self.path + " -> good: \033[92m%s\033[0m",
-                ", ".join(view(self.good)),
+                ", ".join(self._view(self.good)),
             )
         if self.bad:
             logger.debug(
                 self.path + " -> bad: \033[91m%s\033[0m",
-                ", ".join(view(self.bad)),
+                ", ".join(self._view(self.bad)),
             )
+
+    def _view(self, array):
+        return [
+            "file"
+            if index == 0
+            else "sample {} (at {} seconds)".format(
+                index, (index - 1) * self.sample_length
+            )
+            for index in array
+        ]
diff --git a/aircox/test.py b/aircox/test.py
index 070220c..58635d9 100644
--- a/aircox/test.py
+++ b/aircox/test.py
@@ -245,7 +245,6 @@ class Interface:
 
     def __call__(self, *args, **kwargs):
         target = self._imeta.target
-        print("is it class?", self, target, inspect.isclass(target))
         if inspect.isclass(target):
             target = target(*args, **kwargs)
             return type(self)(
diff --git a/aircox/tests/controllers/test_sound_stats.py b/aircox/tests/controllers/test_sound_stats.py
index 9f75487..d739ec0 100644
--- a/aircox/tests/controllers/test_sound_stats.py
+++ b/aircox/tests/controllers/test_sound_stats.py
@@ -55,7 +55,20 @@ def sox_stats(sox_interfaces):
 
 @pytest.fixture
 def stats():
-    return sound_stats.SoundStats()
+    return sound_stats.SoundStats("/tmp/audio.wav", sample_length=10)
+
+
+@pytest.fixture
+def stats_interfaces(stats):
+    def iw(path, **kw):
+        kw["path"] = path
+        kw.setdefault("length", stats.sample_length * 2)
+        return kw
+
+    SxS = sound_stats.SoxStats
+    sound_stats.SoxStats = iw
+    yield iw
+    sound_stats.SoxStats = SxS
 
 
 class TestSoxStats:
@@ -73,20 +86,38 @@ class TestSoxStats:
 
 
 class TestSoundStats:
-    def test___init__(self):
-        pass
+    def test_get_file_stats(self, stats):
+        file_stats = {"a": 134}
+        stats.stats = [file_stats]
+        assert stats.get_file_stats() is file_stats
 
-    def test_get_file_stats(self):
-        pass
+    def test_get_file_stats_none(self, stats):
+        stats.stats = []
+        assert stats.get_file_stats() is None
 
-    def test_analyze(self):
-        pass
+    def test_analyse(self, stats, stats_interfaces):
+        stats.analyse()
+        assert stats.stats == [
+            {"path": stats.path, "length": stats.sample_length * 2},
+            {"path": stats.path, "at": 0, "length": stats.sample_length},
+            {"path": stats.path, "at": 10, "length": stats.sample_length},
+        ]
 
-    def test_analyze_no_sample_length(self):
-        pass
+    def test_analyse_no_sample_length(self, stats, stats_interfaces):
+        stats.sample_length = 0
+        stats.analyse()
+        assert stats.stats == [{"length": 0, "path": stats.path}]
 
-    def test_check(self):
-        pass
+    def test_check(self, stats):
+        good = [{"val": i} for i in range(0, 11)]
+        bad = [{"val": i} for i in range(-10, 0)] + [
+            {"val": i} for i in range(11, 20)
+        ]
+        stats.stats = good + bad
+        calls = {}
+        stats.resume = lambda *_: calls.setdefault("resume", True)
+        stats.check("val", 0, 10)
 
-    def test_resume(self):
-        pass
+        assert calls == {"resume": True}
+        assert all(i < len(good) for i in stats.good)
+        assert all(i >= len(good) for i in stats.bad)
diff --git a/notes.md b/notes.md
index 31c72ec..a021f21 100755
--- a/notes.md
+++ b/notes.md
@@ -73,18 +73,9 @@ cms:
     - player support diffusions with multiple archive files
     - comments -> remove/edit by the author
 
-# Timezone shit:
 
-# Instance's TODO
-- menu_top .sections:
-    - display inline block
-    - search on the right
-- lists > items style
-- logo: url
-- comments / more info (perhaps using the thing like the player)
-- footer url to aircox's repo + admin
-- styling cal (a.today colored)
-
-- init of post related models
-    -> date is not formatted
-    -> missing image?
+# For the next version:
+## Refactorisation
+Move:
+- into `aircox_streamer`: `Log`, `Port`
+- into `aircox_cms`: `Page`, `NavItem`, `Category`, `StaticPage`, etc.