Resident elearning guru, David Anderson offers three really easy ways to make your audio sound good.  Instead of recording your audio in PowerPoint, record it using Audacity, which is a free audio editor.

Reduce Background Noise

In this first tutorial, you’ll learn to reduce background and ambient noise to make you narration sound much better.

Click here to view the tutorial.

Boost the Bass

The second tutorial walks through the steps of slightly boosting the bass.  It will make your voice sound warmer and give you a greater sense of presence.

Click here to view the tutorial.

Equalize the Audio Narration

In this tutorial you’ll learn to equalize the audio.  It adds a richness and warmth to your voice only equaled to a cup of hot tea and honey.

Click here to view the tutorial.

Adding Audio Back to PowerPoint

If you’re using a rapid elearning tool like Articulate Presenter, you can just import the audio into the slide using the audio import feature.

However, if you’re using PowerPoint, just select insert sounds>from file to bring the audio file onto the slide.

Hope that helps.  Do you have any audio narration tips and tricks?