Chunks put together make up a song. But Layers can be limiting. You can only have up to 8 envelopes per layer, which can become a limiting issue with longer or more complex soundtracks. And layers can be difficult to modify - if your movie structure changes, or you want to change the arrangement of your layered soundtrack, you have to progressively edit every layer's envelope many times. In these situations, Chunks can save the day.
Chunks are like sound Legos.
The file is stored in cache and can be re-used later in your movie without increasing your file size. And you can associate specific pages, scenes, buttons and user actions with specific Chunks, making your soundtrack truly interactive. Click Below to read the rest of this article.