The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Pioneer Corporation:
This application enables you to hear many kinds of sounds. In addition, you can also record your own sounds and pictures, along with having the ability to upload them to the Global Sounds application. Whether you record the beautiful sounds of nature, or the different sounds in the city, you can record your favorite sounds and edit, document, and upload them to your own iPhone.Furthermore, whether you go on a trip, or spend time with your family, you can record your precious memories with photos and sounds, along with any comments that you may have.Finally if you want to share your sounds with the world, you can also post your data to Global Sounds.Consequently, if your sound is selected by Pioneer, your sound will be added to the map of Global Sounds. Let's listen and enjoy the various sounds of the earth with Global Sounds!