MP4 Merge or Join Files Problem. MP4 Maximum File Size?

I just came back from vacation with my girlfriend, and shot a bunch of home movies with my Canon 5d Mark II. The files created by the camera are MP4's.
There are a dozen of files in total and each one is around 1 GB at 720p.
What I want to do now is merge them together into one file. I have Quicktime Pro 7 and basically have been copying them all into one file, but once I try to copy the 8th file/chapter into the cumulative 7 previous files that are now in one continuos file, it doesn't really add anything.
Is it not working because there is a limit on the file size of the file of an MP4? How can I make sure I merge all the files into one? Any help would be greatly appreciated.

couldn't figure it out.

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Maximum file size for export into MP4?

Hello,
I am not able to export 2 hour HD video into standard MP4 file. It seems that reaching 100% export algorithm gets into loop. I was waiting for hours and still had seen progress at exactly 100% with final file size on hard disk to be 0 bytes. I am using CS5 on MAC OS X. I had to split my timeline to 2 parts and to export them separately (which is embarrasing). Is there something like maximum file size for export? I guess that 2h video would have about 25-35GB.
Thank you
jiri

You are right.
So I am running AP Pro 5.0.4, Adobe Media Encoder 5.0.1.0 (64bit). Operating system Mac OS X ver 10.7.3. All applications are up to date.
MacBook Pro Intel i5 2.53GB, 8GB RAM, nVidia GT 330M 256 MB, 500GB HDD
Video is 1920x1080 (AVCHD) 25fps in a .MTS container (major part of timeline), 1280x720 30fps in .MOV container (2mins), Still images 4000x3000 in .JPG
No error message is generated during export - everything finishes without any problem...just file created has 0 byte size (as described above).
This is my largest video project (1h 54min) I dont have any other problem with other projects.
I dont run any other special software, at the moment of export all usual applications are closed so that MacBook "power" can go to Media Encoder. No codecs installed, using VLC Player or Quick Time.
Attached please find printscreen from Export settings (AP Pro). Writing this ppost I tried to export only the first 4mins from timeline where all kind of media is used...and it was OK.
As a next step I will try to export (same settings) 1h 30mins as I still believe problem comes with length of video exported.
Let me know your opinion

MP4 Maximum File Size?

I just ripped my Blu-Ray version of Planet Earth to MP4's.
Each Chapter was burned as a separate MP4 file.
There are 10 Chapters in total, so I have 10 separate MP4 files.
Each file is around 1.78GB at 3700kbps at 720p.
What I want to do now is merge them together into one file. Then add custom chapters. Anyways, I have Quicktime Pro 7 and basically have been copying them all into one file, but once I try to copy the 7th file/chapter into the cumulative 6 previous files that are now in one continuos file, it doesn't really add anything.
Is it not working because there is a limit on the file size of the file of an MP4? Any help would be greatly appreciated.

That's true. I have a similar question that doesn't involve backing up my own Blu-Rays for viewing on Apple TV, sorry about that, I'll create a new thread for that one.

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I have been trying to find someone in the forum with a similar problem but with no success. I hope someone can help me.
I have a Captivate 7 file that is 59 MB.
The resulting mp4 file after publishing is 107 MB.
When I publish the same file to swf it is 18 MB.
Why is the mp4 file so large and how can I reduce its size? I did not have this problem in Captivate 5.5. The mp4 file always was smaller than the cptx file.
There was one strange thing with this file. I had imported 5 images that were around 300K in size and in the Captivate library they showed up as huge files (I think it was something like 60MB per file). I deleted the images from the library after I discovered it and just imported new versions ofthose images. That solved the problem in the library. Could this have something to do with the size of the mp4 file.
I have already tried to create a new project and just copy all slides over. That did not make a difference.
Here is a screenshot of my file sizes
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Angela

RodWard, thanks for your answer. I wanted to publish using Cap 5.5 but I wasn't able to get my Cap 7course into Captivate 5.5. Whenever I tried to copy the slides or even objects from 7 to 5.5., I got an error message. How can I publish a course using Captivate 5.5. if the course is created in Captivate 7.
I have checked every setting three times and they are all correct meaning they are the same as I had them in Captivate 5.5.
I also tried to create a new project and pasted all slides into the project, then published it. That made no difference.
I have created 20 of theses courses in Captivate 5.5 and they all have the same parameters (it's a series of youtube videos https://www.youtube.com/user/BAEXPERTS). No exercises, no screen recordings, just images, voiceover, and some animation. They always have a similar length and the 20 of them that I created in Captivate 5.5 had around 20MB to 40MB and this one is 105MB. The whole course/video has only 19 slides. In all my other 20 videos/courses, the mp4 file is smaller than the Captivate file.
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MP4/H264 file sizes very different

I seem to have the problem that when I convert files from AVI to MP4 or H264 they become remain rather large.
I converted a movie of 124 minutes to H264 and the file is 494 MB, while I also have a 154 minute movie which is only 3352 MB. In itunes info it says the 124 minute movie is low complexity h.264 320x240 film at bit rate 64 kbps (total bit rate 539 kbps). It is 494 MB or 3.9 MB/min
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I import mp4 1920X1080 - the file size is 320MB . I publish it as same mp4 and it takes 2GB . Why? Why is it that huge? HELP!

I import mp4 1920X1080 - the file size is 320MB . I publish it as same mp4 and it takes 2GB . Why? Why is it that huge? HELP!

hi,
*Thank you for you response. *
*I found where to set the bit rate and it solved the problem. (the default
was very high...)*
Now it takes same space and the quality is the same as the original.
Thank you!
Oren
2014-09-11 3:54 GMT+03:00 A.T. Romano <[email protected]>:
I import mp4 1920X1080 - the file size is 320MB . I publish it as
same mp4 and it takes 2GB . Why? Why is it that huge? HELP!
created by A.T. Romano <https://forums.adobe.com/people/A.T.+Romano> in *Premiere
Elements* - View the full discussion
<https://forums.adobe.com/message/6719671#6719671>

What is the max mp4 file size?

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RichSolNuv wrote:
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We are looking for a software which converts SWF to MP4, we found many software which does the job but issue is file size is not optimize. We found Adobe captivate 6 which gives optimum quality with good output but thing is we do not have batch process i

Hi
We are looking for a software which converts SWF to MP4, we found many software which does the job but issue is file size is not optimize.
We found Adobe captivate 6 which gives optimum quality with good output but thing is we do not have batch process in captivate 6. so we request you to create a plugin or give a best option which have batch render quality and optimize in file size,

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MP4 & compression & file size, etc.

I know very little about video exporting and compression other than the most basic steps. My project is creating a long list of 4-10 minute tutorial videos for internet streaming. I have produced one video so far, and at 5 minutes, 1280x800, H264 mp4, it's 65mb. That's way too big.
After many hours of research and numerous trial exports, I'm not gaining any ground. I just don't have time to spend days/weeks learning this in depth.
I used a screen capture video program and recorded at the full screen resolution, 1280x800. The initial streaming presentation would be a smaller resolution, but should the viewer choose to go full screen, I would like it to be crisp and clear, so my goal is to maintain 1280x800, or close to it.
Lowering the quality seems to defeat the purpose as the quality is substantially degraded. My question is, what are my reasonable expectations in terms of file size for a 5 minute mp4 video at 1280x800? Is 65mb about right? I have no idea but if I have 30 videos, and 5 minutes is one of the shorter ones, that could be many many gigabytes. Is there something I am missing how to get smaller file sizes?
H264 compression was recommended, and tried out several resolutions, having to calculate different multiples of 1280x800 - it all seems very manual and tedious. I just don't know how to proceed since the first video was just so big... Any guidance is greatly appreciated! Thank you.

I know very little about video exporting and compression other than the most basic steps. My project is creating a long list of 4-10 minute tutorial videos for internet streaming. I have produced one video so far, and at 5 minutes, 1280x800, H264 mp4, it's 65mb. That's way too big.
Actually, 65 MBs is quite a reasonable file size for a 5-minute, 1280x800, H.264/AAC MP4 file. (File Size = Total Duration X Total Data Rate so your data rate is only on the order of 1.7 Mbps which was originally the limit for 640x480 5th generation iPod files.) In order to make the files smaller you will have to either settle for reduced video quality and/or a smaller display size. (You could, for instance, create a 1024x800 anamorphic encode that displays as a 1280x800 file, but this would only reduce the file size by a small amount whereas a 640x400 non-anamorphic file could cut the file size significantly while retaining similar quality in the smaller display. In short, you need to re-evaluate your streaming/fast start requirements. (I.e., I typically use 2 to 4 times your data rate for what I consider "good quality" 720p24 file encodes for viewing on HD capable devices.)
After many hours of research and numerous trial exports, I'm not gaining any ground. I just don't have time to spend days/weeks learning this in depth.
It is unlikely you will be able to further reduce your file size without a loss in video quality and/or a reduction in the file's display dimensions.
I used a screen capture video program and recorded at the full screen resolution, 1280x800. The initial streaming presentation would be a smaller resolution, but should the viewer choose to go full screen, I would like it to be crisp and clear, so my goal is to maintain 1280x800, or close to it.
The only way to reduce file size is to either "throw away" data or use a more efficient, higher compression codec. H.264 is about the most scalable, highly efficient, highest compression capable codec you can use which is why it is used for everything from FaceTime to BD/AVCHD encodings.
Lowering the quality seems to defeat the purpose as the quality is substantially degraded. My question is, what are my reasonable expectations in terms of file size for a 5 minute mp4 video at 1280x800? Is 65mb about right? I have no idea but if I have 30 videos, and 5 minutes is one of the shorter ones, that could be many many gigabytes. Is there something I am missing how to get smaller file sizes?
"Reasonable epectations" are realative—and may be quite different for each person. Basically, the expectation is reasonable if the file delivers the quality you want at the display dimensions you want in a file size with which you can live. If not, then you have to re-evaluate your "expectations." Further, encoding is driven by the content itself with every file being different and should be treated as such depending on the graphic complexity of the content, the number/type of vector motions involved, ratio of light:dark scenes, display dimensions, etc. There is no "one shoe fits all" here and what is "reasonable" for one file may not be "reasonable" for another. What you are actually missing here is an overall goal strategy.
H264 compression was recommended, and tried out several resolutions, having to calculate different multiples of 1280x800 - it all seems very manual and tedious. I just don't know how to proceed since the first video was just so big... Any guidance is greatly appreciated!
You say you are creating tutorial files for internet streaming. If this is your goal, how do you plan to deliver these files in terms of internet connection speeds? The target speed for internet delivery will determine the data rate limits within which you must work. Once you determine the playback data rate limits for target users, you will know the data rate limits at which to encode your file for playback. In turn, this data rate will determine the combination of display dimensions and level of video quality you will have to accept. At this point the size of individual files is of lessor importance because once the file begins to stream or play in the fast "start mode," the file can continue to play as the data continues to stream or download to the end user's local platform/media player. In fact, at this point you can actually decide if you want to create multiple file versions for users having different target internet connection speeds or just a single file. Frankly, until you are able to answer such questions, there is very little advice that anyone can give you.

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I have an iMovie that I exported to .mov with expert settings: 32KHz audio, 24 fps, 480x360 and it gave a file about 300 mb ( a tad over 6 min). I also have some videos from a subscription at Luminous-Landscape that are mp4. As far as I can tell they are the same parameters. BUT, one of them, for example, is 27 min and about 147 mb! Much smaller proprotionally!
I noticed a much smaller bit rate while viewing the longer duration video compared to mine. Something in that? Is it that it is mp4 and mine is mov?
Is there a good place to go to decipher the Expert Settings meanings and practice?
Thanks...
Rick

... you haven't told us, which CODEC you used for your export.. (?)
.mov is just a container, a wrapper around mp4, h263, sorenson, h264, mp4.. whatever.. (even mp3, pic, qtvr...)
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24fps is .. 'exotic', when it comes to iMovie, which doesn't support such a framerate, and when it comes to computer display, 24fps again is less optimal .. it is a fps from the film business.. you get much better (=in terms of quality) results, using the original or half of the framerate of your source ...
with all respect, I mostly doubt a 30min video of only 150MB size ... please check the settings again ...
when it comes to small file sizes, I lately stumbled into a nice variation of the h264 codec, have a look on my website:
http://karsten.schluter.googlepages.com/apowerfulcodec
and if you prefer mp4, use the free encoder iSquint, esp for lower bitrates, it offers a (much) better pic quality than QT's mpeg4 encoder ... (a few infos on my other site, click here)

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