how to install this package

Dears,
i am new user in solaris
i am using solaris 10
https://cds.sun.com/is-bin/INTERSHOP.enfinity/WFS/CDS-CDS\_SMI-Site/en\_US/-/USD/ViewProductDetail-Start?ProductRef=Sol-audio-drivers1.0-x86-G-F@CDS-CDS_SMI
after i unzip this package
i didn't found any package to install
cos i only know pkgadd command to install

so please provide me how to install it

i found two packages inside the unpacked archive... so pkgadd should work fine!