Compressing for Web download

Trying to compress a 5 min HD 1080i movie out of FCP to download for the web - can't seem to get anything of decent quality smaller than 2+GBs file size. Target size is 1024 MB max. Have used Compressor H.264 and still results are to large. Quicktime conversion results in too large a file size as well. Streaming formats in Compressor are not usable... I must be missing something. Any suggestions?
Thanks
Jim

What spatial quality setting (Encoder - video settings - quality) are you using for you h264?
If is is set to 100% the 2 gb is probably right. Try compressing a few frames at 75% see if the quality is accessible and if it is do the whole thing, it should decrease in size much more than 25%. also, Does it have to remain at full HD. maybe re size to 720p?

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Hi All
I've been through the forum and seen a lot of posts on the "art" of compressing files for use and transfer on the web while wanting to maintain quality.
I understand that it requires some tweaking of the frame size, the frame rate, and the data rate to get the optimum file size versers quality.
I've moved from iMove where export was simple(tho files were large) to FCE and I'm finding that the learning curve is very steep.
I've recently seen a video on Vimeo http://vimeo.com/10022953 which is stunning quality and only 36.5 MB with a frame size of 1280 x 720. I'm wondering if anyone has an idea how he may have achieved this. The Codecs that he has used are AAC, H.264, MPEG-4 ODSM, MPEG-4 SDSM. I'm wondering if it may be necessary to use another compressing software to convert the exported full size QuickTime movie file to a quality file such as this.
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Hi All
While waiting for comments to my question I contacted the producer to the video that I referred to above. When in doubt go to the source.
His reply is…
"I use the setting in Quicktime X, go to: File - Save As and in format select 1080p. Easy as pie"
So I gave it a shot and I managed to get an awesome quality video at a greatly reduced file size, similar to what he had. I also discovered a powerful tool in Quicktime X : File > Save for web. This gives other great sizes and extra files and code for hosting on your own servers.
If anyone has any other ideas I'd love to hear but this has fixed me for the moment

Compressing for web

I've never had a problem with compressor before, but now for some reason when I open a new batch it only gives me apple destinations or custom destinations. I usually have many other options. Does anyone have any idea how I can get the other destinations back or navigate around this? I just need to compress a 4 minute video for web. Thanks!

Change it in the size box of the Quicktime Export window.
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Good luck,
CaptM

Can anyone help me with compressions for web streaming? So lost!

Hi there
I am so confused !
I have the task of getting HD footage from my camcorder ready for quality web-streaming on a website. The clips need to be in mp4 format using the H264 codec. As we are dealing with HD footage, I want the viewer to be very happy with the picture quality. I must admit that most of my compression settings were kind of guess work and I was only judging my results by the final file size in relation to the video quality. I was getting file sizes of about 16mb per minute of video/ audio footage.
I had been keeping my frame size at 1280x720 and my bit rates were about 2000-2500kbits/s. Bandwidth is a real concern as there will be alot of people streaming these videos and there might be over a hundred videos on offer at any one time. I found that bit rates any less than this were resulting in a poor picture quality.
I have since learnt that what I was doing is completely wrong!
I was told that my frame size was way too big for normal web-streaming of HD footage and also that my bit rate was too high and bandwidth hungry. I never knew that the bit rates I set when compressing my videos would have an effect on the bandwidth that would be used. I am obviously showing my ignorance!
If anyone has anytime to help out someone who has no idea, I would absolutely love to know the answers to these questions:
1. What is considered a good acceptable frame size to show HD quality footage? Maybe a size that if the quality is OK, they can also stretch the frame afterwards to fill their screen without losing too much quality?
2. I want to use mp4 with the H264 codec for streaming, what is an efficient bit rate to set the compression at, so that the quality looks nice, but wont drain my bandwidth unnecessarily?
3. Can anyone explain how the bit rates that I set for my compressions affect the way they are downloaded once they are on a website. Just cant get my head around this logic for some reason?
4. What other compression settings should I be aware of (eg. keyframes etc)
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If I select a bit rate of say 2500 to compress my videos at, what will that now mean for the end user? Will that mean that his connection will be forced to download that video at 2500kbp/s thus using alot more bandwidth?
Yes and no. If the end user has a connection that allows them to receive data at 2500 and the source from the web can supply data at that speed then they'll be able to stream in real time. However, if either end doesn't hold up (the client's connection can't receive data that fast or the source can't send it) then end users will be forced to watch it on delay - letting a good portion of the movie download first. QuickTime will do this anyway - if you (as I do) embed a movie into a webpage, when you visit that page QuickTime will calculate how fast data is being sent and received, and decide when to start the movie based on that calculation.
I was told that the bit rate I set when I compress these files locally on my machine, tell the streaming software how to allow users to download them - is that true or have I got all mixed up?
You keep saying streaming and I'm not sure exactly what you mean. Streaming can either mean having a finished file on the web that people can watch with minimal downloading in advance, or streaming can mean sending a live event out over the web. I think you mean the first. In that case, there is no streaming software on the server side - it's just a file that gets sent to a client just like any other file. The bitrate however does tell the client software, like QuickTime player when to start playing the movie (As I alluded to above).
If you really want to "stream" content - in other words allow people to go to page and start watching then I'm going to suggest you distribute in multiple formats. QuickTime has a number of presets you can use for "streaming", and these are usually small (320*240 or 640*480) videos that are under 1 Mbps (often less than 500 kbps). These files can normally be watched in real time by most clients.
The other catch with the route you're going is that some computers simply can't handle 720p content that is encoded in h.264 - they just don't have the power. If you look at podcasters many of them have chosen to go multiple formats in part for this reason - they have video embedded on their websites for watching in real time, small iPod formats for lower-power computers and iPods, and HD formats for platforms like the Apple TV that offer the best quality.

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papasteveo:
Welcome to the Apple Discussions. There is no way in iPhoto for the user to manage the jpg compression of the web gallery photos. If the option for visitors to download the photos is selected the copy that's uploaded is compressed approximately equivalent to an Photoshop quality setting of 8 or 9 out of 12. The pixel dimensions are the same as the original unless the max dimension in the original exceeds 3054. The the file is resized to 3054 max dimension.
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tatoz

Hello Tatoz:
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Video compression for web. H264 codec.

Hello to everyone!
I would be gratefull If someone can help me with some advice on the following matter:
Who can I compress a video which is shot with dslr camera, at 640x424p, 25fps, so that 20 seconds of video do not exceed 1mb.
The final video has to be 512pixels in height and 340 in width, good quality under 1mb.
I usually export this kind of web files using h264. For this job I modified the biterates so that the video does not exceed 1mb but all resulted in poor quality.
The satisfactory quality of the video is reached only after 4mbs(biterate/vbr pass2), in this case the filesize is over 5mb so again no good.
Please help?

And another thing I noticed in Premiere: I usually do a small edit of about 20 seconds from 3-4 clips. Well, this time I compressed the three clips before editing them in premiere. I used the h.264 encoder I talked about and it reduced my filesize to half for each of them(no visible quality loss). Now I imported the 3 files(reduced) in Premiere and the 20 seconds of editing still export as the same big size it was before encoding and reducing the clips. More interresting is that all three clips together have about a minute of footage and they get pretty close to the filesize that the 20 second export video has.
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I appreciate your time!
Thank you!

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I would like to add a 2-3 minute segment of a longer movie to my web site. I use wordpress which only allows for a 2MB media clip to be uploaded. What compression in Compressor (or elsewhere) would give me such a small file? Or is there another route I can take...posting to you tube or vimeo or such?
Thanks in advance.

You'd be much better off hosting somewhere else and embedding a player into your wordpress page. Or find another web hosting solution.

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select the sequence you want to export in the timeline panel, and hit 'ctrl + m'
In the export settings dialog choose the format 'H.264'
The choose the preset 'Apple iPod, Apple iPhone Video
Then look at your estimated file size indicator at the bottom of the dialog (it's right above 'Metadata' button on my PC
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Hi, I've got a sequence that is true 16:9 and I'm trying to compress it as a Quicktime file for a web site. When I play it back it is in 4:3. What can I do to change the settings and what would be a good dimention for a web page?

Change it in the size box of the Quicktime Export window.
W=(H/9)*16
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Once and for all, compression for web

I have done a lot of research on this, when exporting what are the best settings to export to the web (size and quality) I know it depends on the type of video you have.
The best settings I have so far are:
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Broadband High
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try the h.264 codec. I've done some stuff at 350k -- 640x480 -- it looks great. Since my project was heavy on slides, I just went for 15fps -- but I did run a test at 29.97 and it did not (surprisingly) have much effect on file size.

Compressing for Web download

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