Audacity for Mac is a powerful audio editing tool that surpasses default OS X tools. The downsides are a dated and sometimes clunky interface and a cumbersome installation process.
The audio recording software named Audacity is a fabulous, commanding open-source audio editor and recorder, which provides you with the capability to performing several functions as compared to what you would conceive from the fact that it is a free application.
Pros
Powerful and robust feature set: Audacity is loaded with audio editing, recording, and exporting tools that work in tandem with Mac's multimedia capabilities.
Free with regular updates for diverse uses: Audacity is a free, regularly updated tool with solid support from the developer. This means a solid core that works far better than some other free software suites in the same category, and a good alternative to somewhat limited tools like GarageBand.
Cons
Interface is dated and sometimes clunky: While Audacity's feature set delivers, it looks and feels a little dated compared to more modern software. In most cases this is purely aesthetic, but finding certain menus can be cumbersome in some circumstances.
Bottom Line
If you need a powerful, free audio editing tool for your Mac, Audacity is a great tool with which to start. While the interface could use some updates, you'll still get the bang you're looking for in your audio project.
What do you need to know about free software?
Audacity Software Mac Manual Pdf
It supports the majority of audio formats, such as wav, mp3, Ogg, wma, ac3, flac and aiff. It also includes all kinds of basic editing tools like cutting, copying, erasing. Thanks to the amount of available filters and effects , Audacity is much more versatile than it first seems.
Besides all this, it allows you to adjust the level of noise on an audio track, modify the shape of the wave to adjust it to your needs, or add all kinds of post-process effects. Its power lays in the possibility of applying changes to any section of the audio file you want, and as well as its multi-track editing. You can even apply a filter that erases the voice in a song.
As if this wasn't enough, you can add all types of 32 bit external VST plugins, and also reproduce MIDI files.