Very simple editing tools which can Copy, Paste, Cut, and Delete. Here are the basic things you can access using Audacity's editing power: How to Use Audacity Edit AAC Files and Export to iTunes There are so many things one can do with Audacity.

There are also lots of effects that you can integrate, like changing the pitch or speed and the vocal isolation or reduction. You can conveniently cut, splice, copy, or mix different sounds together. You can maximize Audacity to record audio live, record computer playback into CDs or digital recordings, and edit multiple types of sound files including AAC. Audacity is a totally free, simple to use, and multi- faceted audio recorder and editor for Mac OS X, Windows, GNU/Linux, and other OS (operating systems). With Audacity, you can now get AAC Plug-in and other types of plug-ins installed without having to restart Audacity or without having to add or delete any generator or effects from the menus. When a certain app supports the plug-in, it gives way for a better customization. A plugin, also called add-in, extension, or add-on, is a software component which adds a certain feature to a current software app.

Using ffmpeg audacity to aac