zita-alsa-pcmi : Provides easy access to ALSA PCM devices ( http://kokkinizita.linuxaudio.org/linuxaudio/ )
zita-resampler : A C++ library for resampling audio signals ( http://kokkinizita.linuxaudio.org/linuxaudio/zita-resampler/resampler.html )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a amano-kenji
For Paludis use this rsync : rsync://gentoo.zugaina.org/amano-kenji-portage
If you have a problem : ycarus(-at-)zugaina.org