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</o:shapelayout></xml><![endif]--></head><body lang=EN-AU link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> mythtv-users-bounces@mythtv.org [mailto:mythtv-users-bounces@mythtv.org] <b>On Behalf Of </b>Roger Siddons<br><b>Sent:</b> Monday, 12 August 2013 7:55 AM<br><b>To:</b> Discussion about MythTV<br><b>Subject:</b> Re: [mythtv-users] Commercial detection with silence - silence.cpp<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"DejaVu Sans","serif"'>On Sat, 10 Aug 2013 13:53:23 +0100, Mark Perkins <<a href="mailto:perkins1724@hotmail.com">perkins1724@hotmail.com</a>><br>wrote:<br><br>>> P.S. What kind of program is this? Heavy Metal MTV or action movie?<br>>> Maybe it's just shouty adverts.<br><br>Or the cricket ? Presumably the Aussie showings are just one long silence....<br><br><span style='color:#1F497D'><o:p></o:p></span></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>No, the cricket recording got deleted for some reason…<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"DejaVu Sans","serif"'><br>> - In general the recordings don't seem particularly loud, I'm running the<br>> threshold db in my preset file between -72db and -95db depending on the<br>> program, still much tweaking and refining to be done. <br><br>Assuming you've fixed the overflow issue, those thresholds look alarmingly wide. The threshold is quite a crude instrument. Provided it is detecting silences at the appropriate places I've found you're better off tweaking the other parameters to achieve the right cuts. Someone has already added Aussie presets to the wiki. Have you tried those ?<br><br><span style='color:#1F497D'><o:p></o:p></span></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Yes, did start from the Aussie wiki presets. Don’t read too much into the spread, it’s just been a bit of testing from me. In particular I found for the news that deeper silences worked well for me, however the more prime-time stuff tends to be closer to the values seen by others.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"DejaVu Sans","serif"'><br></span><span style='font-size:10.0pt;font-family:"DejaVu Sans","serif"'>Lastly, be aware that this mail list uses bottom-posting. People get upset if you repeatedly top-post.<br><a href="http://www.mythtv.org/wiki/Mailing_List_etiquette">http://www.mythtv.org/wiki/Mailing_List_etiquette</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks for the tip re bottom posting. Had assumed it was just a bit of mix-n-match based on individual mail clients / programs / etc so hadn’t paid it much attention. I should have read the guide before my first post.<o:p></o:p></span></p></div></div></body></html>