Tutorial: GPU-Assisted Multicam Editing and Encoding in Sony Vegas
Sony Vegas instructor 大卫·麦克奈特 continues his video tutorial series with a look at Vegas' new GPU Assist feature, which enables Vegas editors to leverage the processing power of supported NVIDIA and AMD video cards to get full-frame previews of loaded timelines and accelerate rendering with many popular codecs.
Welcome to the third tutorial in our series on new features in Sony Vegas Pro 11. In this installment we're going to talk about GPU Assist. This is an exciting feature for Vegas users because, 有史以来第一次, your video card can improve the playback and editing performance in Vegas Pro. 让我们开始吧.
你的系统GPU辅助准备好了吗?
GPU Assist is very easy to enable or disable in Vegas but, 在此之前, I want to set up a couple of other parameters and options in Vegas to make sure that your system is optimized before engaging the GPU.
I'n the example shown here, I'm working with a multi-camera project (下面的图1) of a concert by '80s daytime drama/rock star Jack Wagner from the 2011 Rick Springfield Cruise.
图1. 我们的六镜头演唱会剪辑
在预览窗口, you want to make sure that the three main options are checked: Simulate Device Aspect Ratio, 缩放视频以适合预览窗口, and Adjust Size and Quality for Optimal Playback (下面的图2).
图2. Make sure you have these main 3 options selected in the Preview window.
You can see where I've got playback set to Best (Full) here, but I can tell you that in playback it's probably going to move to Preview quality. Since we're going to let Vegas adjust it, it'll probably go to Preview Half or maybe Preview Full (下面的图3).
图3. 预览的播放质量设置
下一个, 我们将调整我们的预览视频偏好, found at the bottom of the preview window options shown at the bottom of 图2. 现在，我的GPU加速是关闭的. So if you don't see anything in this drop-down when you click on it, that means you do not have a video card that's capable of doing GPU Assist (下面的图4). So with that turned off, that means that you're using only the CPU to play back your video.
图4. The selected pull-down shows my GPU acceleration options.
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