[LAU] Filter envelope

[Q]

Julien Claassen wrote:
> Hey Q!
>   Why not use prebuilt software from your distro? I think you don't need 
> any new features for your purpose. and I suppose, that one of them 
> should be available on your distro.
>   Warmly yours
>           Julien

Don't you think that's the first place I would have looked? Please 
credit me with at least a little intelligence.

Neither of them are in the repositories. There are versions in PPAs, but 
none of those will build either or are too new.

Q