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Old 13-10-2009, 12:51   #1 (permalink)
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TV Built in Slide Program

I have a Panasonic digital television which has an SD slot for showing slide programs. After each slide has been shown I get the message "cannot read this slide." The next slide is then shown satisfactorily and so on. I should be grateful to anyone who can point out the cause and the remedy.

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Old 13-10-2009, 12:55   #2 (permalink)
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Re: TV Built in Slide Program

Can you tell us exactly what is on the SD card? Are there any files there other than JPG images?
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Old 13-10-2009, 13:02   #3 (permalink)
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Re: TV Built in Slide Program

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Can you tell us exactly what is on the SD card? Are there any files there other than JPG images?
Thank you very much for your response. There are no files other than the jpeg images although, I do wonder if there could be some hidden XMP files or something like that.

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Old 13-10-2009, 13:24   #4 (permalink)
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Re: TV Built in Slide Program

XMP files aren't usually hidden. Have you tried copying the JPEG files to a newly formatted card?

Also, what size are the files? It may be that the TV puts up that message while it decodes the file, and that could take a while if it's a full-size image. Perhaps try it with resized images, as TVs can't display the full size anyway.
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Old 13-10-2009, 13:36   #5 (permalink)
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Re: TV Built in Slide Program

My Panasonic will not read any card that I've loaded. I think the manual says that if an image has been manipulated it won't be displayed. What it does not say is what is considered to be manipulation - that is if the card has to be litereally straight out of the camera.

I'll remove your dupe post before that one starts getting replies
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Old 13-10-2009, 15:53   #6 (permalink)
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Re: TV Built in Slide Program

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Originally Posted by silkstone View Post
XMP files aren't usually hidden. Have you tried copying the JPEG files to a newly formatted card?

Also, what size are the files? It may be that the TV puts up that message while it decodes the file, and that could take a while if it's a full-size image. Perhaps try it with resized images, as TVs can't display the full size anyway.
Yes I have copied the files to a newly formatted SD card. The files are 1080 x 1440 pixels, not exactly large I think you will agree. Thank you very much for your response.

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Old 13-10-2009, 15:55   #7 (permalink)
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Re: TV Built in Slide Program

I am wondering if your computer has created "Thumbnails" on that card?... or have you manipulated the files with photo software?... that would also create duplicates..
Were the images viewed, catalogued, or manipulated in any way buy any "Album" type software?...
It is sounding, at first impression of the problem, that you have duplicates of files on there, and it is showing the ones in formats it can understand, i.e. the .jpg ones, but not the duplicate that may be in a format (Such as RAW, TIFF, BMP, ICO, etc) that it can not understand... those would be the "Manipulated" ones the manual speaks of

Possible fixes...
Open that card as a folder, having selected "View hidden files and folders", and "Show file extensions" in folder settings, and check there are no "Duplicates" of any file...
All you should have is files that end in .jpg format...

What formats do you have on that card?..

Let us know if that helps...
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Old 13-10-2009, 15:59   #8 (permalink)
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Re: TV Built in Slide Program

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Originally Posted by Dabhand16 View Post
My Panasonic will not read any card that I've loaded. I think the manual says that if an image has been manipulated it won't be displayed. What it does not say is what is considered to be manipulation - that is if the card has to be litereally straight out of the camera.

I'll remove your dupe post before that one starts getting replies
Thanks for removing the dupe Dave! Yes, all my files have been manipulated. I have resized them to the number of pixels on the TV screen, cropped them, manipulated the brightness and contrast in levels and of course, converted them from raw to jpeg. Thank you for your reply Dave.

John.
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Old 13-10-2009, 17:35   #9 (permalink)
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Re: TV Built in Slide Program

Quote:
Originally Posted by Silver Dragon View Post
I am wondering if your computer has created "Thumbnails" on that card?... or have you manipulated the files with photo software?... that would also create duplicates..
Were the images viewed, catalogued, or manipulated in any way buy any "Album" type software?...
It is sounding, at first impression of the problem, that you have duplicates of files on there, and it is showing the ones in formats it can understand, i.e. the .jpg ones, but not the duplicate that may be in a format (Such as RAW, TIFF, BMP, ICO, etc) that it can not understand... those would be the "Manipulated" ones the manual speaks of

Possible fixes...
Open that card as a folder, having selected "View hidden files and folders", and "Show file extensions" in folder settings, and check there are no "Duplicates" of any file...
All you should have is files that end in .jpg format...

What formats do you have on that card?..

Let us know if that helps...
Hi Silver Dragon,
I have done as you suggested and there are no hidden files, all files are jpegs. Every single file on the card is correctly displayed, it's just that the annoying message "cannot read this file" comes up in between every one of them. Incidently all files are jpegs converted from raw files on various Canon cameras e.g.Ixus 400, A640, 5D and 5D2. One more point, all the pictures on the SD card are located in numerous folders. All the folders get displayed on the TV screen and when one is selected the slide show for that particular folder is executed.

Thank you very much for your comments

John
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Old 13-10-2009, 19:11   #10 (permalink)
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Re: TV Built in Slide Program

Try resizing to about 850 x 640. It's a stab in the dark but I can't think of anything else right now.
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Old 13-10-2009, 22:32   #11 (permalink)
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Re: TV Built in Slide Program

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Hi Silver Dragon,
I have done as you suggested and there are no hidden files, all files are jpegs. Every single file on the card is correctly displayed, it's just that the annoying message "cannot read this file" comes up in between every one of them. Incidently all files are jpegs converted from raw files on various Canon cameras e.g.Ixus 400, A640, 5D and 5D2. One more point, all the pictures on the SD card are located in numerous folders. All the folders get displayed on the TV screen and when one is selected the slide show for that particular folder is executed.

Thank you very much for your comments

John
Done it but problem remains. Thank you.
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Old 13-10-2009, 23:54   #12 (permalink)
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Re: TV Built in Slide Program

Strip the EXIF before saving?

(Getting desperate now! )
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Old 14-10-2009, 00:51   #13 (permalink)
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Re: TV Built in Slide Program

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One more point, all the pictures on the SD card are located in numerous folders. All the folders get displayed on the TV screen and when one is selected the slide show for that particular folder is executed.
If you have a spare SD card....
Without any sub-folders, try a couple of photographs on their own, just the photographs, and see what the result is....

How were the photographs you are using created?.. which editing software?...
Did you use "Save", or "Export", or did you use an export optimizer?...
Silky may be on to something with that Exif data...
Maybe its the EXIF data, being the photo's were edited, that the screen cant "Read", as the EXIF data may still contain unexpected data.

Does your Television have an "Update" ability?...
Certain Digital TV's now come with this... we have a Samsung that has updateable "firmware", have you tried updating yours if it does that?...

I have a digital picture frame here (Someone bought it for me) and its an absolute pain to work, whatever you try to do, any photo's done portrait orientation end up sideways, even though I have rotated them in editing software... I got a result eventually, but such a fuss?...
That didnt like "Subfolders" on the cards I used... in fact, it didnt like many of the cards I used.... I ended up transferring them all to a USB stick, its easier that way....

So I am suggesting getting as "Simple" as possible, a couple of photographs only, to start with, and see where the errors start to occur...
If the couple work on their own, then try in a sub-folder....
Make sure there is no "Thumbs.db" on the drive.
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Old 14-10-2009, 08:00   #14 (permalink)
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Re: TV Built in Slide Program

How do I strip the exif?

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Old 14-10-2009, 08:39   #15 (permalink)
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Re: TV Built in Slide Program

Most photo editing programs can do this, also are you saving as progressive Jpg?
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Old 14-10-2009, 11:24   #16 (permalink)
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Re: TV Built in Slide Program

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Most photo editing programs can do this, also are you saving as progressive Jpg?
Thank you. I will look for a method of stripping EXIF in Photoshop. Progressive jpeg, I don't know.
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