Tip #1 - Some Garage Band enhancements to "dry" voice.

The Levelator®
What is The Levelator®?

Do you believe in magic? You will after using The Levelator® to enhance your podcast. And you'll be amazed that it's free, now even for commercial use.

So what is The Levelator®? It's software that runs on Windows, OS X (universal binary), or Linux (Ubuntu) that adjusts the audio levels within your podcast or other audio file for variations from one speaker to the next, for example. It's not a compressor, normalizer or limiter although it contains all three. It's much more than those tools, and it's much simpler to use. The UI is dirt-simple: Drag-and-drop any WAV or AIFF file onto The Leveler's application window, and a few moments later you'll find a new version which just sounds better.


Sample of poorly recorded audio, enhanced with Levelator.





Take a look at the two clips below. Which do you think is louder?

The one on the right has higher peaks, so you might think it's louder. In fact, the one on the left is much louder. The sample on the right is human voice. The one on the left is heavy-metal music.

The outline of a waveform indicates its voltage. It's what you'd see on an oscilloscope, for example. But the perceived loudness more closely corresponds with the power of the signal, and that is represented by the area under the curve -- the area between the waveform outline and the horizontal axis. At the zoom level of this example, loudness roughly correlates with the density of the blue color. The greater density of the signal on the left suggests that it will be loude




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