Reducing video file size - help!

Hi all,
I've produced an 11min film for my company which has come out at 150mb when converted from F4V to WMV format (which is the format our SharePoint system prefers). However, it's too bit!
So the question is, what can I do when exporting the video from Premiere Pro to ensure it's as small as possible? Adjust the format? Bit rates? etc etc. The frame width has already been reduced to 640 x 340 pixels. I've looked at other posts, but each question is so different.
Apologies, I'm stil so new to all this and I'm sure I'm asking the most basic questions.
Thanks all
Ashley

There are only two things that effect file size, bitrate and duration. Format, resolution, frame rate, etc. won't have any effect.
And this makes sense if you think about it. Files are measured in bits, so...bits per second x number of seconds = file size. Whether 1920 x 1080 or 640 x 360, it's still bits per second x number of seconds.

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How do I reduce file size of videos, made on imac or camera import? They
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YouTube can be kinda slow. Were you trying to use Share > YouTube from inside iMovie? I don't use Share>YouTube to upload it to their website because I've had it freeze up or take extra long to finish.
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How can I reduce video file size?

I have a WMV file (4.6 MB) that has a bad sound track. I started a new Premiere project and placed the MP4 file, split the audio track, and used Audition to fix the problems with the sound.
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Thanks, Joost, but I see no setting for bandwidth. Here's what I see and the resulting (11 minute) file is 76 MB when the source file was less than 5MB. Output is down to 10fps and audio is mono and downsampled to AM-radio quality. Clearly I am not seeing something that I should see.

How can I reduce the file size of 3 videos?...

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I think that the point that David was trying to make is that reducing the amount of information originally provided by a product or part of it in order to make it smaller will inevitably reduce the efficiency of the product itself.
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If your target is the web there is a way to reduce the file size and still make it look decent enough. Re-compression means loss of source information but video compression is an art on its own and can produce some amazing results!
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Pls change the file extension to the format in which the file was recorded for eg : .mp4, .3gp, .avi. Check first in which format ur phone records a video file and apply a similar extension do dat fill, revert if any query.

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Hi Scott,
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To reduce a movie, or shrink it, what are the best settings to use? Or even settings that work? I posted this a few days ago and there weren't any responses so I'm trying again. Please help.

I've been using MPeg Streamclip to export the files as a quicktime movie. And there is sound. But the thing is, the file sizes are huge. Last export was 160 megs...too big to put on a web page. So I'm interested in shrinking that. I tried ISquint, but it converts it into an MPeg movie, and I'd like to keep it as a quicktime file for the website. Whenever I export using Quicktime, and I've updated to the most current version, there's no sound. If anyone knows of a good way to reduce the file size, either using MPeg Streamclip, or any other shareware or freeware programs, please let me know.

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Roger Gonzalez (who works on the ActionScript VM engine I
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Take a peek here:
http://blogs.adobe.com/rgonzalez/2006/06/modular_applications_part_1.html
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A simple and free way of reducing PDF file size using Preview

Note: this is a copy and update of a 5 year old discussion in the Mac OS X 10.5 Leopard discussions which you can find here: https://discussions.apple.com/message/6109398#6109398
This is a simple and free solution I found to reduce the file size of PDFs in OS X, without the high cost and awful UI of Acrobat Pro, and with acceptable quality. I still use it every day, although I have Acrobat Pro as part of Adove Creative Cloud subscription.
Since quite a few people have found it useful and keep asking questions about the download location and destination of the filters, which have changed since 2007, I decided to write this update, and put it in this more current forum.
Here is how to install it:
Download the filters here: https://dl.dropboxusercontent.com/u/41548940/PDF%20compression%20filters%20%28Un zip%20and%20put%20in%20your%20Library%20folder%29.zip
Unzip the downloaded file and copy the filters in the appropriate location (see below).
Here is the appropriate location for the filters:
This assumes that your startup disk's name is "Macintosh HD". If it is different, just replace "Macintosh HD" with the name of your startup disk.
If you are running Lion or Mountain Lion (OS X 10.7.x or 10.8.x) then you should put the downloaded filters in "Macintosh HD/Library/PDF Services". This folder should already exist and contain files. Once you put the downloaded filters there, you should have for example one file with the following path:
"Macintosh HD/Library/PDF Services/Reduce to 150 dpi average quality - STANDARD COMPRESSION.qfilter"
If you are running an earlier vesion of OS X (10.6.x or earlier), then you should put the downloaded filters in "Macintosh HD/Library/Filters" and you should have for example one file with the following path:
"Macintosh HD/Library/Filters/Reduce to 150 dpi average quality - STANDARD COMPRESSION.qfilter"
Here is how to use it:
Open a PDF file using Apple's Preview app,
Choose Export (or Save As if you have on older version of Mac OS X) in the File menu,
Choose PDF as a format
In the "Quartz Filter" drop-down menu, choose a filter "Reduce to xxx dpi yyy quality"; "Reduce to 150 dpi average quality - STANDARD COMPRESSION" is a good trade-off between quality and file size
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These are Quartz filters made with Apple Colorsinc Utility.
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downsample images contained in a PDF to a target density such as 150 dpi,
enable JPEG compression for those images with a low or medium setting.
Which files does it work with?
It works with most PDF files. However:
It will generally work very well on unoptimized files such as scans made with the OS X scanning utility or PDFs produced via OS X printing dialog.
It will not further compress well-optimized (comrpessed) files and might create bigger files than the originals,
For some files it will create larger files than the originals. This can happen in particular when a PDF file contains other optomizations than image compression. There also seems to be a bug (reported to Apple) where in certain circumstances images in the target PDF are not JPEG compressed.
What to do if it does not work for a file (target PDF is too big or even larger than the original PDF)?
First,a good news: since you used a Save As or Export command, the original PDF is untouched.
You can try another filter for a smaller size at the expense of quality.
The year being 2013, it is now quite easy to send large files through the internet using Dropbox, yousendit.com, wetransfer.com etc. and you can use these services to send your original PDF file.
There are other ways of reducing the size of a PDF file, such as apps in the Mac App store, or online services such as the free and simple http://smallpdf.com
What else?
Feel free to use/distribute/package in any way you like.

Thanks ioscar.
The original link should be back online soon.
I believe this is a Dropbox error about the traffic generated by my Dropbox shared links.
I use Dropbox mainly for my business and I am pretty upset by this situation.
Since the filters themsemves are about 5KB, I doubt they are the cause for this Dropbox misbehavior!
Anyway, I submitted a support ticket to Dropbox, and hope everything will be back to normal very soon.
In the meantime, if you get the same error as ioscar when trying to download them, you can use the link in the blog posting he mentions.
This is out of topic, but for those interested, here is my understanding of what happened with Dropbox.
I did a few tests yesterday with large (up to 4GB) files and Dropbox shared links, trying to find the best way to send a 3 hour recording from French TV - French version of The Voice- to a friend's 5 year old son currently on vacation in Florida, and without access to French live or catch up TV services. One nice thing I found is that you can directly send the Dropbox download URL (the one from the Download button on the shared link page) to an AppleTV using AirFlick and it works well even for files with a large bitrate (except of course for the Dropbox maximum bandwidth per day limit!). Sadly, my Dropbox shared links were disabled before I could send anything to my friend.
I may have used a significant amount of bandwidth but nowhere near the 200GB/day limit of my Dropbox Pro account.
I see 2 possible reasons to Dropbox freaking out:
- My Dropbox Pro account is wronngly identified as a free account by Dropbox. Free Dropbox accounts have a 20GB/day limit, and it is possible that I reached this limit with my testing, I have a fast 200Mb/s internet access.
- Or Dropbox miscalculates used bandwidth, counting the total size of the file for every download begun, and I started a lot of downloads, and skipped to the end of the video a lot of times on my Apple TV.

How can I reduce the file size when PDF Optimizer does not do much?

I have a PDF form that exists of 48 pages. 44 pages are forms / have form fields, the other 4 are just informative. Each form-page has approx. 80 fields (checkboxes, text fields).
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* Content Streams: 5.287.000     15,09 %
* Fonts:                24.556.810     70,08 % !!
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In the older PDF version (I saved and kept this one too) with just 21 pages with form-fields, the "Audit Space Usage" shows:
* Content Streams: 5.292.000     40,14 %
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Thank you for your help!

If you have authored the form, reduce the number of different fonts for the content and form fields.
Any font used in a form field will cause that font to be embedded into the PDF.
If you are going to Optimize the PDF be very careful with forms. Optimization does a lot of removal of items and rearranging of items which can really mess up forms.

How do i reduce the file size of a picture?

I am trying to reduce the file size of a picture? It is 1.7MB and I need it to be smaller.
Help?

File -> Export
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I have a short HD video almost 1 GB in size (impossible to upload online). Is there an easy way to reduce the file size using IMovie or another program that I don't have to go out and buy?

I don't think you'll have too much success with this. Mpegs are already compressed files, so there's no real benefit to trying for further reduction. In some cases using compression software will make the resulting file larger than the original.
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Reducing MP4 File Size

I have a short HD video almost 1 GB in size (impossible to upload online). Is there an easy way to reduce the file size using IMovie or another program that I don't have to go out and buy?

I don't think you'll have too much success with this. Mpegs are already compressed files, so there's no real benefit to trying for further reduction. In some cases using compression software will make the resulting file larger than the original.
There are utilities that can be used to slice up a file into smaller parts that can then be reassembled. For example, Movie Cutter, SplitFuse, Split&Concat, MacAppStuff Pieces are a few. Look for them at VersionTracker or MacUpdate. Stuffit Deluxe is a commercial product that includes the ability to split and join multiple pieces of a file archive and has the benefit of being available on both Macs and PCs.
You can then split a large file into several smaller files to send via email or to upload to file server sites. Of course the recipient will need a compatible utility to join the pieces.

Reducing PDF File Sizes

We create and use numerous pdf files, some with fill-in fields and some without. Is there a way to reduce the file size without adversely affecting response time to open the file? Some of us are running Acrobat Professional version 7 and others are running version 8. Some of us have Windows XP and some have Windows 2000.
Any help you can give us would be greatly appreciated.
Thanks.
Ken K

>I thought that if a file was compressed in some way that it might take some time to decompress the file.
I see - entirely reasonable to think that. However, almost every PDF
is already compressed using technologies like ZIP or JPEG. When you
reduce the file size you are usually doing some combination of
* reducing image resolution
* using more agressive JPEG compression
* deleting stuff you can live without
So this doesn't affect the load time.
JPEG 2000 compression is stronger and a bit slower, but probably
nothing to worry about, especially if you don't have high resolution.
Aandi Inston

Reducing video file size - help!

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