Change bitrate from 24 to 16bit

Dila-Portal workflow is not working with these kind of 24bit audio

Signed-off-by: Conrad Zelck <git@simpel.cc>

Pro_Audio.au3

 #Region ;**** Directives created by AutoIt3Wrapper_GUI ****
 #AutoIt3Wrapper_Icon=..\..\Icons\wave.ico
 #AutoIt3Wrapper_UseX64=n
-#AutoIt3Wrapper_Res_Comment=Converting to wav with 48kHz 24bit.
-#AutoIt3Wrapper_Res_Description=Converting to wav with 48kHz 24bit.
-#AutoIt3Wrapper_Res_Fileversion=1.1.0.18
-#AutoIt3Wrapper_Res_Fileversion_AutoIncrement=y
+#AutoIt3Wrapper_Res_Comment=Converting to wav with 48kHz 16bit.
+#AutoIt3Wrapper_Res_Description=Converting to wav with 48kHz 16bit.
+#AutoIt3Wrapper_Res_Fileversion=1.1.0.20
+#AutoIt3Wrapper_Res_Fileversion_AutoIncrement=p
 #AutoIt3Wrapper_Res_CompanyName=Norddeutscher Rundfunk
 #AutoIt3Wrapper_Res_LegalCopyright=Conrad Zelck
 #AutoIt3Wrapper_Res_SaveSource=y
@@ -130,13 +130,13 @@ For $i = 1 To $aFileList[0]
 	GUICtrlSetData($idLabelFileName, $i & "/" & $aFileList[0] & ": " & _FileName($sCurTrack))
 	$iDelimiter = StringInStr($sCurTrack, ".", 0, -1)
 	$sCurTrackMinusExt = StringLeft($sCurTrack, $iDelimiter - 1)
-	$sCurTrackNewExt = '_48kHz_24bit.wav'
-	$sCommand = '-i "' & $sCurTrack & '" -c:a pcm_s24le -ar 48000 -y ' & $sCurTrackMinusExt & $sCurTrackNewExt
+	$sCurTrackNewExt = '_48kHz_16bit.wav'
+	$sCommand = '-i "' & $sCurTrack & '" -c:a pcm_s16le -ar 48000 -y ' & $sCurTrackMinusExt & $sCurTrackNewExt
 
 	_runFFmpeg('ffmpeg ' & $sCommand, $sPathFFmpeg)
 	GUICtrlSetData($g_idProgress, 100) ; if ffmpeg is done than set progress to 100 - sometimes last StderrRead with 100 is missed
 Next
-GUICtrlSetData($idLabelFileName, "Alle möglichen Dateien konvertiert.")
+GUICtrlSetData($idLabelFileName, "Fertig. Mit [x] schliessen.")
 GUICtrlSetData($idLabelConvert, "")
 WinActivate($hGUI,"")
 _PlayReadySound()