patch: normalize effect for noatunarts

[Charles Samuels]

On Mon, 27 Dec 2004, Felix Berger wrote:
> Hi,
>
> I'm in the process of writing a normalization plugin for Noatun.
>
> The plugin reads the relative volume adjustment from the currently played
> file, either from the id3v2 tags or from the playlist, or it computes it by
> calling the external programs normalize
> (http://www.cs.columbia.edu/~cvaill/normalize/) or vorbisgain
> (http://sjeng.org/vorbisgain.html) depending on the item's mimetype.
>
> The retrieved value is passed to an Arts::Effect called Noatun::Normalize
> which applies the gain adjustments to the samples.

Very impressive work!  I'll look at it soon.

-Charles