File Sizes Adding vs. Deleting

A simple question that defies logic (to me) -- Why is it that if I delete an entire album of 15 tracks I gain back .037 GB of avilable space in my iTunes library, but if I add an album of 15 tracks of comparable duration it takes up .15 GB of space, close to five times the space you get back if you delete such an album. I don't get it. Makes no sense at all (to me).
Thanks for your help. I just want to know, I know nothing can be done about it, but I really need to know why this happens.

File sizes are different because of the encoding format.
Bit rate * duration = file size.
You deleted small file size and re-added large file size.

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After adding 5 pictures the file size is 10x bigger

Hello,
I designed a web site and added 7 pictures (all together 800kb) with layer stack and blending options.
The svg file was 320kb now it' apx. 6mb ...
how to get the file smaller?
Greetings
mamut

You can scale down images to make the file sizes lighter.
Are you using the Clipping Frame (Insert > Media Objects > Clipping Frame) to add images to your file? If so, follow these steps to resize an image. If you are just working with an image in the workspace, without the clipping frames, just use steps 5 and 6 to downsample an image.
1. Double-click on a clipping frame image to enter into editing mode. The percentage indicator on the sliding magnification bar will tell you if the source image is large (12% is a very large image!).
2. Ensure the image is selected and click the Copy button.
3. Exit image editing mode by returning to the Sheet level by clicking in the document breadcrumb.
4. Paste the image into the document. It will be very big on the stage.
5. Scale down the down to a smaller size by grabbing a corner handle and scaling the image, or using Transform and adjusting the WIDTH AND HEIGHT percentages. (Conveniently, if you input 12% into the Width or Height box (while keeping the Lock Aspect Ratio option selected) the image scales down to the same size as the clipping frame you were using previously.)
6. Double-click the image again to enter into Bitmap Image mode and select Transform > Downsample to Screen.
7. Select the image and click the Copy button, then delete the image from the stage.
8. Double-click to get back into your clipping frame.
9. Select the image already in the frame, and delete it.
10. Click the Paste button to insert the new image into the clipping frame. It should display a better percentage such as 98 or 100%.
11. Save the file. You should find the file size to be much smaller now.
OK, looking over that now it is quite the list of things to do to optimize images for the screen. Hopefully there will be an easier way to downsample or optimize images for screen and print in the next coming releases.

I publish a 41mb newsletter monthly into interactive pdf. It always becomes a file size of 4mb, 10% of original, when I save to pdf. This month my newsletter is 41mb and it drops to 11mb, 25% of original. I have re-sized all pictures, deleted pages separa

I publish a 41mb InDesign newsletter monthly into interactive pdf. It always becomes a file size of 4mb, 10% of original, when I save to pdf. This month my newsletter is 41mb and it drops to 11mb, 25% of original. I have re-sized all pictures, deleted pages separately, have gotten the file size down to 16mb and it drops to 7mb, 45% of original.
I have gone back and saved Feb and March and it saves to 10% of original, as it did before, and I use the same mechanism to save now.
I have gone to Acrobat Pro and optimized down to 8.8mb, but the quality is not acceptable.
What other variable is there that I haven't discovered?

My daughter has had her Razr for about 9 months now. About two weeks ago she picked up her phone in the morning on her way to school when she noticed two cracks, both starting at the camera lens. One goes completely to the bottom and the other goes sharply to the side. She has never dropped it and me and my husband went over it with a fine tooth comb. We looked under a magnifying glass and could no find any reason for the glass to crack. Not one ding, scratch or bang. Our daughter really takes good care of her stuff, but we still wanted to make sure before we sent it in for repairs. Well we did and we got a reply from Motorola with a picture of the cracks saying this was customer abuse and that it is not covered under warranty. Even though they did not find any physical damage to back it up. Well I e-mailed them back and told them I did a little research and found pages of people having the same problems. Well I did not hear from them until I received a notice from Fed Ex that they were sending the phone back. NOT FIXED!!! I went to look up why and guess what there is no case open any more for the phone. It has been wiped clean. I put in the RMA # it comes back not found, I put in the ID #, the SN# and all comes back not found. Yet a day earlier all the info was there. I know there is a lot more people like me and all of you, but they just don't want to be bothered so they pay to have it fix, just to have it do it again. Unless they have found the problem and only fixing it on a customer pay only set up. I am furious and will not be recommending this phone to anyone. And to think I was considering this phone for my next up grade! NOT!!!!

I have a few hundred duplicates in my iPhoto library, but the file sizes are different. So one is 1.3mb and one is 567kb. I want to delete the smaller ones, but short of comparing each duplicate, is there a way to do this?

I have a few hundred duplicates in my iPhoto library, but the file sizes are different. So one is 1.3mb and one is 567kb. I want to delete the smaller ones, but short of comparing each duplicate, is there a way to do this? I've been looking at Duplicate Annhilator but I don't think it can do it.
Thanks!

I just ran a test with iPhoto Library Manager, Duplicate Annihilator, iPhoto Duplicate Cleaner, Duplifinder and Photodedupo. I imported a folder of 5 photos into a test library 3 times, allowing iPhoto to import duplicates. I then ran the 5 photos thru resizer to reduce their jpeg compression but all other aspects of the file the same.
None of the duplicate removal apps found set that was reduced in the file resizer. That's probably due to the fact that the file creation date was being used as a criteria and the resized photo would have a different file creation date even though the Image Capture date was the same.
They all found the 3 regular duplicates and some of them would mark two and leave the 3rd unmarked. iPhoto Duplicate Cleaner can sort the found duplicates by file size but if the file was edited to get the reduced file size it might not be found as it would have a different file creation/modification date.
iPhoto Library Manage was able to find all duplicates and mark them as such if the file names were the same the the filename option was selected. Otherwise it also missed the modified, resized version. It allowed one to select the one photo to save before going to work on the library.
So if a photo has been reduced in image quality or pixel size it will not be considered a duplicate.
OT

Adobe flash does not work on bootcamp windows 2002 xp. down loaded to windows. works with Mac. No program folder for such. shows up in "add delete programs" (in setting) but without a file size. I have a MacBook Pro purchased new in June 2010.

Using bootcamp (windows 2002 xp) I down loaded adobe flash player from the windows platform. told me it installed successfully. however does not work in windows, does works in mac. in xp there is no created program folder for such or created short cut. In the control panel (xp) in add/delete programs it is listed but wihout any file size or frequency used. I've deleted & reinstalled numerous times. Mac OS is 10.6.8. Windows is 32 bit. Can't find a thing that discusses this. THANKS!

I just now posted it Adobe Flash Player 17.0 - Bug 3973913
Adobe Flash Player 17.0 - Bug 3973913
Adobe Flash Player 17.0 - Bug 3973913
Adobe Flash Player 17.0 - Bug 3973913

Delete Pages, file size, PDF Optimizer Clean Up

Using Acrobat 9 Pro (for Windows, if that makes any difference).
I have a 148 page PDF of a magazine, about 58 MB in size.
I Deleted 40 pages of ads, leaving just the useful content.
The file size is still about 58 MB.
When I run Advanced -> PDF Optimizer,
the file size goes down to about 47 MB.
The Optimizer settings don't seem to matter.
Even with just "Clean Up" checked, all its options UNchecked,
and Compression set to "Leave Compression Unchanged"
the file size is still reduced.
I have tried several other PDF editors and tools,
and none of them reduce the file size after deleting the 40 pages,
even using their "optimize" or "compress" functions.
Can someone explain why deleting pages does not reduce the file size,
and what the Optimizer is doing (that the other tools don't do)
to reduce the file size ?
Thanks,
-- Glenn

this may be helpful
http://forums.adobe.com/message/4568414#4568414
in Adobe 9 Pro Windows, I found the best was:
Document -> Optimize Scanned PDF (defaults)... tho you could play w the slider bar for even smaller.

Additional file size is added to my PDF when attaching it to an email in Outlook for Mac 2011

I'm generating PDFs from Adobe Pro X. I have a 7.23MB PDF file that becomes a 9.8MB PDF file when attached to an email.
I'm trying to keep the file size as small as I can - why is the extra size added to the PDF?
I'm on an IMac, using Outlook for Mac 2011 and Adobe Acrobat Pro X/Indesign CC to generate the PDFs. This isn't an isolated issue, it happens when I attached word documents as well and is extremely annoying!
Looking forward to hearing from anyone out there (desperately!)

One thing to check.
Password – Mail keeps asking for Password
Try running Keychain First Aid and resetting the original keychain.
Keychain Reset
Keychain Issues - Resolve see post by Kappy

Help me reduce VHD file size when deleting data in OS.

I use Hyper-V on Server 2008 64bit installation to create a CentOS 5.8 VPS has the capacity 100GB. After a period of use of disk space used up nearly all 100GB. I have deleted a VPS data in this section but I checked VHD file size not reduced.
The way you can help me do this? I thank

Well if it was a Dynamic VHD(x) to begin with, you have just expanded it out to its maximum. In order to reduce its size, which is different that actually shrinking the partition and VHD(x) structure, here is what you can do.
If this was a Windows box I would have tell you to defrag inside the VM, shut it down and then use the tool from within Hyper-V Manager to Compact the VHD(x) file.
You could try the Compact against the your CentOS VM and see how much it does decrease the VHD(x) drive.
Without a good ext3 file reorg utility out there, you may not get down to the smallest possible size. You could always backup the VHD(x) file and restore it to another VHD(x) and swap the drives out. This laying down of the files from backup
would make them contiguous again and reduce your over all size of the VHD(x) file. That seems like a lot of work, but would meet your goal. I would try the Compact option first with the VM off to see what gets reclaimed.
Rob McShinsky (www.VirtuallyAware.com)
VirtuallyAware - Experiences in a Virtual World (Microsoft MVP - Virtual Machine)

Added views = added file size

Hello,
A general comment and a quick question:
Comment:
I am working on my 1st 3D PDF; I exported a .3ds file from 3DS Max @ 4.5 mb., imported into Adobe Acrobat 3D with a Mesh Quality and Texture Quality both reduced to 80%, saved my file as pdf file @ 1.4 mb (really awesome). I then added 12 views, hiding various parts, saved my file which increased the file size to 6.8 mb = 450 kb per view.
I opened up PDF Optimizer>Clean Up>Compress entire file, saved my file, which dropped the file size down to 1.92 mb(super, very happy).
Question:
In the hopes of getting my file fize even smaller, is there a general rule of thumb when working with .3ds files in Acrobat 3D;like... the best file compression routine/settings/procedure to use when compressing .3ds files embedded in pdfs? Is there documentation based around general compression and best practices for compression for different file types when exporting from the native 3d programs, importing to Acrobat 3D and saving as .pdfs? I can't imagine making my file too much smaller, but one can always hope.
Thanks,
~Chipley

Hey Chipley,
Given that the .3ds format does not give you access to Acrobat 3D's PRC conversion format, I think you're on the right track with reducing Mesh and Texture Quality. Those two areas tend to make up a lot you file size. I think the only way to really do this with a .3ds file type is to possibly reduce the Texture quality a little more. The use of the PDF Optimizer was a great idea. It would be hard to give you better idea than the approach you're already taking.

Delete group increase file size

In LabVIEW I create a TDMS file using DAQmx Configure Logging. Since my users want to control when data is being written to the file, I make use of the Loggingause property. Very often two groups of data are created in the TDMS file; one containing a few points (less than 20) and one containing the desired data (10000+ points). In DIAdem, if I delete the small group and save the file with a different file name, the new file size increases about 4 times in size. Why does this happen? I would expect the file size in reduce by a small amount, but definitely not increase in size. I'm using LV 2012 SP1 and DIAdem 2011.

When using DAQmx Configure Logging to write data to TDMS files, the data is "raw data" directly from DAQ device, TDMS file format is specially desgined for this case to store the "raw data" so that the file size is smaller and the performance can be improved. When using DIAdem to delete some data and save the file, the new saved TDMS file actually stores normal data instead of the "raw data" so that the file size can be much larger than before.

How do I reduce file size of iPhoto library that's had photos deleted?

I created a calendar in my iPhoto library (which contains thousands of photos). I want to save the calendar now as a separate library with just the calendar in it. I duplicated my iPhoto library and deleted everything except for the dozen or so images used in the calendar. However my iPhoto library is still over 10GB! I've checked the trash is empty and I've rebuilt the database. Is there anything I can do to reduce the file size of the library?
Thanks

Empty the system trash. If that doesn't help:
Go to your Pictures Folder and find the iPhoto Library there. Right (or Control-) Click on the icon and select 'Show Package Contents'. A finder window will open with the Library exposed.
Is there an iPod Photo Cache? You can delete that too...

Adding Click Tags to Flash and also reducing file size?

Hi,
I was wondering if anyone knows how to add a Click Tag to a Flash movie?
I have the file finished but they require Click Tags added to each file.
Also my file is currently around 100kb and they need it under 30kb (last time they got someone to reduce my file to 30kb from 110kb), so Im sure this can be done but not quite sure how. I am using Flash CS4,
thanks,
Paul

I would recommend going to 15 if you are going to play with frame rate.
If you want to know how data rate effects the size
double-click the setting for your movie
look at the inspector
Under the summary tab compressor show you how big the file size will be at _ data rate etc.
Changing the data rate will be reflected here.
When a client doesn't want a file over 15mb I use this tool to know and understand how data rate and other settings effect the overall file. This works for h.264 but may not be the same for every setting.

Delete pages doesn't reduce file size, why?

Using Adobe 6.0 on Windows XP. Have 30k file and want to reduce size without doing as print file. 82 pages long. Tried copying and deleting pages 42 thru 82 but file stays same size. Why doesn't it reduce to half the size?

Basically Save As is supposed to remove everything that is deleted and or replaced. Sounds like it is not doing it for you for some reason. The Save retains the old stuff in case you change your mind -- no matter that nobody I know can get the info back anyway. This difference is apparently a hold over from copying how MS did it in OFFICE.
If you can not use Reduce File Size, then try the PDF Optimizer that has more options. You might want to concentrate on the image resolution and possibly color depth from what you are describing. I last ditch effort (not nec. recommended) is to print the PDF to a new one that uses a lower graphic resolution.

Do apps' file sizes increase every time you install, delete then reinstall, etc.?

Does an app's file size get bigger slightly every time you reinstall it?

Either from computer or from the App Store on your phone. To reinstall the app, you need to delete the one on your phone first. Of course, if the app has a newer version, the new version could be larger (or smaller) but when reinstalling the same version, the app is the same size.
Why are you asking this?

Preview.app increases PDF file size after deleting pages

Hello, I'm experiencing odd behavior with Preview.app and PDFs.
If I open a PDF with Preview, delete a page, then save the file, the file size increases anywhere form 2x to 20x. This happens both with PDFs that only contain text and PDFs that contain text and graphics. It is very frustrating because I start with a file that is 150KB, remove some pages and end up with a 10MB monster that I can't email to people.
Any help is appreciated. I can post a link to a test PDF for people to try to replicate with if it would be useful.

I generated the file with pdftex. I'm guessing that there must be different ways to encode a PDF and when Preview gets something with an encoding other than that provided by PDFKit, it rewrites the file how it likes. In my case this is increasing the file sizes. I tried finding docs about PDFKit on the Apple developer site, but couldn't find any details about ways of encoding a PDF.

File Sizes Adding vs. Deleting

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