大家好，我是知乎博主，耳机，尤其是蓝牙耳机，早已成为我们日常最频繁使用的数码搭子了。耳机品牌其实是越来越多了，相信很多宝子都发现了。但是，真正能做出好音质、好体验的耳机品牌，其实并不多。举个最简单的例子，就拿耳机外观来说，现在市面上，有些蓝牙耳机外观 ...

In this tutorial we’re going to talk about compound clips, which are Final Cut Pro X’s version of nesting. It’s a way to take a handful of clips on a project and compress them down to a single file.

Sometimes you need to apply an effect to only a specific area of a clip, while leaving other portions of the image unaffected. For example, maybe you lit a scene unevenly, and want to brighten, darken ...