Replay Gain: Album Gain vs. Track Gain Options

[pbelkner]

Given a Replay Gain tagged file, at playback time there's usually the choice between applying the album gain or the track gain. Both have their pros and cons but in general neither strategy seems to be perfect.

If we consider album gain as the "natural strategy" because it preserves the loudness difference between an album's individual tracks we may consider track gain as some kind of "deviation" from the "natural strategy" aiming to correct some flaws of the "natural strategy".

Viewed this way the question rises why there shouldn't be a measure allowing us to control the "deviation" in a smooth way from 0% (album gain) to 100% (track gain)? The latest version with the FFSoX Player plugin for WA implements the idea:

What do you think about it? Do you find it useful?