diff --git a/lasp/lasp_avstream.py b/lasp/lasp_avstream.py
index 6b9c0ed..8beb4b4 100644
--- a/lasp/lasp_avstream.py
+++ b/lasp/lasp_avstream.py
@@ -192,6 +192,8 @@ class AvStreamProcess(mp.Process):
             output to the devices.
 
         """
+        super().__init__()
+
         self.pipe = pipe
         self.msg_qlist = msg_qlist
         self.indata_qlist = indata_qlist
@@ -203,7 +205,9 @@ class AvStreamProcess(mp.Process):
         # In, out, duplex
         self.streams = {t: None for t in list(AvType)}
 
-        super().__init__()
+        # When this is set, a kill on the main process will also kill the
+        # siggen process. Highly wanted feature
+        self.daemon = True
 
     def run(self):
         """
diff --git a/lasp/lasp_common.py b/lasp/lasp_common.py
index 10a1b31..3490e5e 100644
--- a/lasp/lasp_common.py
+++ b/lasp/lasp_common.py
@@ -79,7 +79,7 @@ class SIQtys:
             unit_name='No unit / full scale',
             unit_symb='-',
             level_unit=('dBFS',),
-            level_ref_name=('Full scale sine wave',),
+            level_ref_name=('Relative to full scale sine wave',),
             level_ref_value=(dBFS_REF,)
            )
     AP = Qty(name='Acoustic Pressure',
@@ -98,7 +98,7 @@ class SIQtys:
              level_ref_value=(1.0,),
            )
     types = (N, AP, V)
-    default = AP
+    default = N
     default_index = 0
 
     @staticmethod
diff --git a/lasp/lasp_measurement.py b/lasp/lasp_measurement.py
index 3373a26..76d0c25 100644
--- a/lasp/lasp_measurement.py
+++ b/lasp/lasp_measurement.py
@@ -211,12 +211,14 @@ class Measurement:
             # Due to a previous bug, the channel names were not stored
             # consistently, i.e. as 'channel_names' and later camelcase.
             try:
-                self._channelNames = f.attrs['channel_names']
+                self._channelNames = f.attrs['channelNames']
             except KeyError:
                 try:
-                    self._channelNames = f.attrs['channelNames']
+                    self._channelNames = f.attrs['channel_names']
+                    logging.info("Measurement file obtained which stores channel names with *old* attribute 'channel_names'")
                 except KeyError:
                     # No channel names found in measurement file
+                    logging.info('No channel name data found in measurement')
                     self._channelNames = [f'Unnamed {i}' for i in range(self.nchannels)]
 
             # comment = read-write thing
diff --git a/lasp/lasp_record.py b/lasp/lasp_record.py
index 6407e5a..e94f748 100644
--- a/lasp/lasp_record.py
+++ b/lasp/lasp_record.py
@@ -194,7 +194,7 @@ class Recording:
         f.attrs['nchannels'] = nchannels
         f.attrs['blocksize'] = blocksize
         f.attrs['sensitivity'] = [ch.sensitivity for ch in md.in_ch]
-        f.attrs['channel_names'] = [ch.channel_name for ch in md.in_ch]
+        f.attrs['channelNames'] = [ch.channel_name for ch in md.in_ch]
         f.attrs['time'] = time.time()
         self.blocksize = blocksize
         self.fs = md.fs
diff --git a/lasp/lasp_siggen.py b/lasp/lasp_siggen.py
index bbff602..1f73647 100644
--- a/lasp/lasp_siggen.py
+++ b/lasp/lasp_siggen.py
@@ -111,6 +111,11 @@ class SiggenProcess(mp.Process):
             dataq: The queue to put generated signal on
             pipe: Control and status messaging pipe
         """
+        super().__init__()
+
+        # When this is set, a kill on the main process will also kill the
+        # siggen process. Highly wanted feature
+        self.daemon = True
 
         self.dataq = dataq
         self.siggendata = siggendata
@@ -123,7 +128,6 @@ class SiggenProcess(mp.Process):
         self.nblocks_buffer = max(
             1, int(QUEUE_BUFFER_TIME * fs/ nframes_per_block)
         )
-        super().__init__()
 
     def newSiggen(self, siggendata: SiggenData):
         """
diff --git a/lasp/tools/tools.py b/lasp/tools/tools.py
index 57721ca..07b88ca 100644
--- a/lasp/tools/tools.py
+++ b/lasp/tools/tools.py
@@ -154,8 +154,6 @@ def smoothSpectralData(freq, M, sw: SmoothingWidth,
 
     if st == SmoothingType.levels:
         Psm = 10*np.log10(Psm)
-    elif st == SmoothingType.tf:
-        Psm = np.sqrt(Psm)
 
     return Psm
 
diff --git a/setup.py b/setup.py
index 409e566..902c565 100644
--- a/setup.py
+++ b/setup.py
@@ -1,24 +1,10 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python3.8
 # -*- coding: utf-8 -*-
 """
 @author: J.A. de Jong - ASCEE
 """
 from setuptools import setup, find_packages
 
-
-# class CMakeExtension(Extension):
-#     """
-#     An extension to run the cmake build
-#
-#     This simply overrides the base extension class so that setuptools
-#     doesn't try to build your sources for you
-#     """
-#
-#     def __init__(self, name, sources=[]):
-#
-#         super().__init__(name=name, sources=sources)
-
-
 setup(
       name="LASP",
       version="1.0",