- fixed

SLUB_mediaconch_policy_retrodigitized_audio.xml

 <?xml version="1.0"?>
 <policy type="or" name="SLUB Policy for MKV/linear PCM, retrodigitized audio" license="CC-BY-SA-4.0+">
   <description>SLUB related policy to test that the audio file is suitable for archiving purposes.
-    This checks if a MKV/linear PCM fulfills the needs for Audio retrodigitization:
+    This checks if a Matroska/linear PCM fulfills the needs for Audio retrodigitization:
     - Container format is Matroska with error detection (CRC)
     - Audio format is PCM (unfortunately it can not contain error detection) or FLAC (it has CRC by design)
     This policy is based on:
@@ -12,16 +12,13 @@
   <policy type="and" name="MKV, FFV1 Intra, PCM/FLAC, error detection">
     <policy type="and" name="Container">
       <policy type="or" name="FileExtension">
-        <rule name="General/FileExtension is mkv" value="FileExtension" tracktype="General" occurrence="*" operator="=">mkv</rule>
         <rule name="General/FileExtension is mka" value="FileExtension" tracktype="General" occurrence="*" operator="=">mka</rule>
       </policy>
       <rule name="Container is MKV" value="Format" tracktype="General" occurrence="*" operator="=">Matroska</rule>
       <rule name="Unique ID is present" value="UniqueID" tracktype="General" occurrence="*"/>
       <rule name="Container uses error detection" value="extra/ErrorDetectionType" tracktype="General" occurrence="*" operator="=">Per level 1</rule>
       <rule name="General/Format_Version is 4" value="Format_Version" tracktype="General" occurrence="*" operator="=">4</rule>
-      
     </policy>
-
     <policy type="and" name="Audio">
       <rule name="General/AudioCount is 1" value="AudioCount" tracktype="General" occurrence="*" operator="&gt;=">1</rule>
       <policy type="or" name="Audio is PCM or FLAC">
@@ -38,7 +35,10 @@
         <rule name="Audio is mono" value="Channels" tracktype="Audio" occurrence="*" operator="=">1</rule>
         <rule name="Audio is stereo" value="Channels" tracktype="Audio" occurrence="*" operator="=">2</rule>
       </policy>
-      <rule name="Bit Depth is 24" value="BitDepth" tracktype="Audio" occurrence="*" operator="=">24</rule>
+      <policy type="or" name="Bit Depth is at least 16 Bit">
+        <rule name="Bit Depth is 16" value="BitDepth" tracktype="Audio" occurrence="*" operator="=">16</rule>
+        <rule name="Bit Depth is 24" value="BitDepth" tracktype="Audio" occurrence="*" operator="=">24</rule>
+      </policy>  
     </policy>
   </policy>
 </policy>