Adobe Audition CC

If you want to edit your audio files, then this is a perfect software for you.

Adobe Audition CC will help you to edit your audio files, for example : remove noises from your audio so your audio become clear.

If you want to mix audio from multiple sources, you can do that too with this software. The other feature is you can record your audio using microphone.

Because this is an adobe software, this software has dynamic link with Premiere Pro CC, so for example : you need to edit audio from Premiere Pro CC, then you can right click the audio file inside Premiere Pro CC -> choose edit using Audition CC. After you finish edit the audio, the audio on Premiere Pro CC will automatically synchronized with the edited version from Audition CC.

All images from :
https://www.adobe.com/products/audition.html