What resolution after compression?

armisiano

armisiano

Veteran
What resolution after compressing down to 50mb will your video be? Are most peoples videos going to be about 320x240? 640x480? Etc.
 
my h.264 compression at 640x360 has been yielding me a 35mb file. That's just using the default settings for broadband viewing. I'm gonna mess with them more and see how big I can push the size and the compression to get it just under 50mb.
 
The last fest. I was in (Love Fest) I think mine was 320x240 and everybody elses was much, much larger than mine and looked better. So, I'm definately going bigger this time. Don't know what yet though. Going to try and combine as much quality with size as possible.
 
Okay, this sucks. I've taken mine down to being 640x345 (1.85:1 if curious) as a QT mov, and I have to set the bit rate at 128kbps to keep the file JUST BARELY under 50mbs. It looks HORRIBLE! I literally cannot read the title because the compression is so bad.

Now when I set the bit rate to 250kbps, it's much more clear and easier to watch, still kinda crappy, but not too bad, except then it goes to being about 53mbs.

Here's some proof. These are full res screen grabs of the dvxuser header, and my title, both at 128kbps.

1224787210.jpg


1224787066.jpg
 
armisiano said:
Okay, this sucks. I've taken mine down to being 640x345 (1.85:1 if curious) as a QT mov, and I have to set the bit rate at 128kbps to keep the file JUST BARELY under 50mbs. It looks HORRIBLE! I literally cannot read the title because the compression is so bad.

Now when I set the bit rate to 250kbps, it's much more clear and easier to watch, still kinda crappy, but not too bad, except then it goes to being about 53mbs.

Here's some proof. These are full res screen grabs of the dvxuser header, and my title, both at 128kbps.

1224787210.jpg


1224787066.jpg
Click to expand...
Is it a H.264 Quicktime? Did you follow THESE steps?
 
I followed "those steps", used a bit rate of 900 and 720x405, and got a 46Mb file. look great.
 

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Yep, using "those steps". Although I think those steps are for people using FCP, I'm using Adobe, and I don't have as many options (I can't restrict the data rate or the quality of encoding, everything else is the same), but as stated before, the only way I'm able to get the file smaller than 50mbs, is to set the bit rate to 128kbps, which produces the images I've shown above.

And yes, in case anyone asks, I am compressing at using H.264.
 
armisiano said:
How long is your film? Mine is almost a full 6 minutes, and just for laughs I tried it at 960kbps, and the file is about 81mbs.
Click to expand...
You're missing something. How many passes? What's the quality setting? Try in between medium and high. Trust us. This can be done, we've all done it for previous Fest's. Like I said, maybe you need QT Pro.
My offer still stands.

Cheers,

Mike
 
I have no control over how many passes. I've attached an image for you all. This is what I see (I resized it about 70%). At 500kbps (as shown in the image below as my chosen bitrate) my file is about 63mbs.

1224793178.jpg
 
24 bit color seems excessive for web delivery. Knock that down to 16 (heck, even 8 will do you) and see if that helps.

Also, don't use PCM audio, that's uncompressed. Try AAC.
 
krestofre said:
24 bit color seems excessive for web delivery. Knock that down to 16 (heck, even 8 will do you) and see if that helps.

Also, don't use PCM audio, that's uncompressed. Try AAC.
Click to expand...


I'll check out the audio, although with the color bitrate, you'll notice in the image, that's not a button. I have no controll over that.
 
AAC will make a big difference in file size.

EDIT: You need to choose H.264 instead of Quicktime for your format. That will get you AAC. It will also give you more control over bit rate settings.
 
William_Robinette said:
AAC will make a big difference in file size.

EDIT: You need to choose H.264 instead of Quicktime for your format. That will get you AAC. It will also give you more control over bit rate settings.
Click to expand...


When I choose H.264 (as apposed to quicktime) for my format, the only file type I'm allowed to save it as is .3gp
 
Problem temporarily solved... details soon to come, thank you all, still investigating a couple things... video a bit interlaced though, don't like that, may have to live with it. Oh well.... full report in an hour. Thanks again.
 
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