Video Time help

thebrain900 wrote on 12/23/2008, 1:02 PM
When I am in Movie Studio 8.0 and I have Video Clips on the Timeline and an Audio track and FX and keep going and things like this how do I know how big the File will be??

Say I am making a Video just to put on a Blank CD that can hold 700 MB how do I know how Big the File is geting??

Can I use the Timeline to figure things like this out???????????

Comments

mike_in_ky wrote on 12/23/2008, 1:12 PM
thebrain900...

It is my understanding that for a given project size, the size of the rendered file is pretty much determined by the file type in the rendering. In other words, if you are rendering to .mpeg-2, it would generate a larger file than say rendering to a mid-to-low resolution .wmv file. Right before you start the rendering, you should see an estimate of the file size in the dialogue box that is used to configure the rendering.

Does that answer your question?

mike_in_nc
thebrain900 wrote on 12/24/2008, 10:08 AM
I am going to be Rendering As mpeg-2 with Audio

And I don't see ware it gives the File Size. See I want to make sure that my MPEG 2 file is no bigger then 700 MB

And when I o to Render As and I pick ware the file will be saved and file type I don't see ware someone had told me it will give you the size of the file??
mike_in_ky wrote on 12/24/2008, 10:48 AM
thebrain900...

When you are ready to render, select "Make Movie". You then select where you want to put the file (hard drive, burn it to DVD, etc.). The next screen is the dialogue box where you select the output file type (mpeg-2, wmv, etc.). If you look to the middle-right of the dialogue box, you'll see a field called "Estimated size:" That's where for approximate file size is located.

mike_in-nc
Chienworks wrote on 12/24/2008, 11:22 AM
Actually it's not the file type that matters, it's the bitrate. Multiply the bitrate by the duration in seconds, divide by 8, and that will give the output file size in bytes.

For example, encoding a 10 minute video at 512Kbps is 512Kbps x 600 seconds, which is 307,100Kbits, divide by 8 is 38,400Kbytes, or about 37.5MB. It may be larger depending on whether the 512Kbps template includes bandwidth for the audio or not. If it doesn't, simply perform the same calculation with the audio bitrate and add it to the video size.

This calculation works whether the output type is AVI, MPEG, WMV, MOV, or whatever.
thebrain900 wrote on 12/24/2008, 4:39 PM
Well what I meen is there an easy way to findout the file size like

Say looking at the timline and say you see it is 30 Min long could you gess at the size or what would be a good thing to do??

I think my file is 60 min long and I will Render As mpeg 2
Chienworks wrote on 12/24/2008, 5:01 PM
It depends on the bitrate you use. That's the simplest answer, there isn't a better or easier one.

you can run the formula backwards if you want. 700MB divided by 3600 seconds = 0.194MB/s = 1.555Mbps. Unfortunately you don't have a way to choose MPEG bitrates in Vegas Studio.
thebrain900 wrote on 12/24/2008, 5:50 PM
Yes I do I am in Movie Studio 8.0 and if I pick MPEG 2 I can go to the Customize tab and chang things???