How does idvd encode

If disabled, the progress bar remains blank. The Project Info window reports on the progress. Encoding and Burn Times To give you a rough idea of how long it takes for iDVD to encode projects using the two encoding settings, here are two examples of projects I created. Using Best Performance, burning a project containing a minute movie took roughly 50 minutes on my still trusty 1.

Using Best Quality, a separate project of mine with a minute movie took 4 hours and 40 minutes to burn. If your project exceeds 60 minutes, or you want to make sure you're getting the highest quality encoding that iDVD can offer, use the Best Quality mode. After you start the burn process, iDVD examines the video to determine where it can apply different levels of compression. If you're using Best Performance and Background Encoding is enabled, wait until the assets are finished encoding in the Project Info window before you burn.

Best Quality does not encode video in the background the way Best Performance does. Instead, it performs its calculations during the burning phase. So, don't stare at the Background Encoding area of the Status pane waiting for the encoding to finish, because it hasn't started. Motion button. Then choose one of the encoding settings. This can significantly reduce the amount of time it takes to create a finished DVD. The second pass then encodes those different parts accordingly , resulting in the best quality of video possible on your burned DVD.

Because Professional Quality encoding is time-consuming requiring about twice as much time to encode a project as the High Quality option, for example choose it only if you are not concerned about the time taken.

In both cases the maximum length includes titles, transitions and effects etc. Allow about 15 minutes for these. You can use the amount of video in your project as a rough determination of which method to choose. If your project has an hour or less of video for a single-layer disc , choose Best Performance. If it has between 1 and 2 hours of video for a single-layer disc , choose High Quality. If you want the best possible encoding quality for projects that are up to 2 hours for a single-layer disc , choose Professional Quality.

This option takes about twice as long as the High Quality option, so select it only if time is not an issue for you. Turning off background encoding can help performance if your system seems sluggish. Mar 9, PM. Good to know. I was wondering why my short videos take up so much space on a disc.

I thought it was some strange overhead of some sort. I'll have to check out that "Brushed Metal" menu. OK, so it looks like you're saying for 1 hour or less, use BP.

And for 1 to 2 hours, use PQ, unless you're in a hurry, in which case use HQ. BUT: Then you say to choose Professional Quality "for the best possible encoding quality for projects that are up to 2 hours for a single-layer disc.

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Tips An archive contains all the data your project needs—except fonts. If your project contains a font that may not be on the computer to which you're sending the archive, be sure to also send a copy of the font. If you've included any protected audio files such as older songs purchased from the iTunes Music Store in your archive, you won't be able to open the project on another computer unless that machine is authorized by you.

A warning dialog appears Figure 5. Encoding and Burn Times To give you a rough idea of how long it takes for iDVD to encode projects using the encoding settings, here are the results of burning a two-hour project on a 2. High Quality: 1 hour 15 minutes. Professional Quality: 3 hours 52 minutes. Tips If you're using Best Performance, wait until the assets are finished encoding in the Project Info window before you burn.

High and Professional Quality do not encode video in the background the way Best Performance does. Instead, they perform calculations during the burning phase. So, don't stare at the Encoding area waiting for the encoding to finish, because it hasn't started. As projects get longer than 60 minutes, their image quality is more likely to decrease due to the additional compression that needs to be applied. If higher image quality is important to you, try not to skirt that two-hour border with your project sizes Figure 5.

How to Fix Missing Assets The Project Info dialog tracks everything you've added to the project, even assets that you've deleted. There are two solutions: Double-click the item in the Project Info window and choose another image. Go to the Map view and delete the asset entirely. Tips If you've specified Best Performance, wait for asset encoding to finish before starting the burn process.