wget
http://easynews.dl.sourceforge.net/sourceforge/mad/libmad-0.15.1b.tar.gz
tar -zxvf libmad-0.15.1b.tar.gz
cd libmad-0.15.1b
./configure --prefix=/usr
make -j2 && make install
make install
cd ..
wget http://umn.dl.sourceforge.net/sourceforge/lame/lame-3.97b2.tar.gz
tar -zxvf lame-3.97b2.tar.gz
cd lame-3.97
./configure --prefix=/usr
make -j2 && make install
cd ..
wget http://ufpr.dl.sourceforge.net/sourceforge/sox/sox-12.17.9.tar.gz
cd sox-12.17.9
./configure
make -j2 && make install
cd ..