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<blockquote data-quote="lkuech" data-source="post: 175486" data-attributes="member: 46526">Hi stanik:Now we have log entries regarding the letterbox detection... so we are one step further.Are the rest of the settings still like the one I can see from your screenshots?If yes, then you have to change the &quot;Black level tolerance&quot; back to something in the near of &quot;0.1&quot; or maybe &quot;0,1&quot; depending on your regional settings.What I can say from the log file is that your signal does not look like a letterbox signal.Normally the brightest colour is between 0 and 1. 0 is absolutely black, 1 is absolutely bright.Your log looks like:Letterbox detection startedBrightesColor in box ( 249, 259, 268, 57 ) is 0,4313726Center box is nearly black: TrueBrightesColor in box ( 288, 529, 192, 46 ) is 0,4666667Lower box is nearly black: True The values in the brackets are the coordinates and the size of the detection rectangles (x, y, width, height)Normally the result of the lower (or upper) box should be less than 0,1 if there is a letterbox signal (black bars at the top and the bottom). Maybe the box is to big for your type of signal?! You can define the position and the size of the boxes via the config.So two things to check now. 1. Set the &quot;Black level tolerance&quot; back to something like &quot;0,1&quot;2. Check the results of the detection boxes via the log file.If this does not help, try to post a sample video ( a short recording) of your signal somewhere. ByeLars</blockquote>

[QUOTE="lkuech, post: 175486, member: 46526"] Hi stanik: Now we have log entries regarding the letterbox detection... so we are one step further. Are the rest of the settings still like the one I can see from your screenshots? If yes, then you have to change the "Black level tolerance" back to something in the near of "0.1" or maybe "0,1" depending on your regional settings. What I can say from the log file is that your signal does not look like a letterbox signal. Normally the brightest colour is between 0 and 1. 0 is absolutely black, 1 is absolutely bright. Your log looks like: Letterbox detection started BrightesColor in box ( 249, 259, 268, 57 ) is 0,4313726 Center box is nearly black: True BrightesColor in box ( 288, 529, 192, 46 ) is 0,4666667 Lower box is nearly black: True The values in the brackets are the coordinates and the size of the detection rectangles (x, y, width, height) Normally the result of the lower (or upper) box should be less than 0,1 if there is a letterbox signal (black bars at the top and the bottom). Maybe the box is to big for your type of signal?! You can define the position and the size of the boxes via the config. So two things to check now. 1. Set the "Black level tolerance" back to something like "0,1" 2. Check the results of the detection boxes via the log file. If this does not help, try to post a sample video ( a short recording) of your signal somewhere. Bye Lars [/QUOTE]

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