Audio Normalization Question

Often I include several different AIFF form songs as soundtracks in my videos. Usually, I have to manually adjust the sound level of each song so that they all play at about the same level - at least to my ear.
I suspect FCE can help me with this.
Have looked at Modify > Audio > Apply Normalization Gain but that never quite seems to produce satisfactory results.
1. Should this be doing the job, and perhaps I am using it incorrectly?
2. Any other ways to do this?
Thanks.

Rex,
Ian is exactly right about what normalization does; that's not the tool you want. The magic bullet you'd be looking for is a dynamics processor like a compressor/limiter. FCE has one of these you can apply. It's a tough tool to master though. It's an art, as was said earlier.
Play around with the ratio set fairly low, which is the amount of compression; the *attack time* affects how quickly it reduces the gain when a transient hits. The *release time* affects how quickly it lets the gain back up after peaks; if the ratio and the release time are set too high it may give a pumping sound that's not natural.
You'll really have to use your ears and play the audio back a lot. (You may have to render the audio or do an audio mixdown, depending on the audio you have?)
Alternatively, you could use keyframes on the audio clip overlays to reduce peaks and boost the softer material, but it's quite tedious unless if you have stereo tracks and other compositing going on.

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