You have a variety of options for editing audio. If you already use an audio editor, feel free to use that. If you would like to learn a new tool or haven't edited audio before, the options below are some of the more highly recommended free options available. This is not an exhaustive list and you are welcome to use any program that you prefer, but the following are all programs that are free for you to use.
Audacity is a free and open source program that has many helpful features. This is the best open source audio editor and there is no shortage of tutorials on YouTube.
Adobe Audition is a useful audio editor and recorder that is free to all HSU students, staff and faculty. As part of the Adobe Creative Cloud, Audition is installed on most campus computers, including all Library Windows and Macs (including our Windows laptops). You can also access Audition using the VLab.
Anchor is a free mobile app (iOS and Android) that makes it easy to create your podcast project. You can also use Anchor to host and sell your podcast, if you want to take it to the next level.
Spreaker is a platform for recording, editing and distributing podcasts. The free plans offer all of these services and if you plan to monetize your podcast, you will need to move to a paid plan (starting at $7.00/mo). Available as a desktop app (Windows and Mac) and mobile app (iOS and Android). Many of the tutorials are also offered in Portuguese.
Voice Memos comes free with iPhones and is a quick and easy way to record and make minor edits to your audio project. Voice Memos is also a great way to create an easy audio backup when you're using other microphones.